diff --git a/libc/arch-arm/bionic/__bionic_clone.S b/libc/arch-arm/bionic/__bionic_clone.S
index 6669b93..3fe212b 100644
--- a/libc/arch-arm/bionic/__bionic_clone.S
+++ b/libc/arch-arm/bionic/__bionic_clone.S
@@ -61,6 +61,8 @@
     b       __set_errno_internal
 
 .L_bc_child:
+    # We're in the child now. Set the end of the frame record chain.
+    mov    fp, #0
     # Setting lr to 0 will make the unwinder stop at __start_thread.
     mov    lr, #0
     # Call __start_thread with the 'fn' and 'arg' we stored on the child stack.
diff --git a/libc/arch-common/bionic/crtbegin.c b/libc/arch-common/bionic/crtbegin.c
index 62878378..5f681c5 100644
--- a/libc/arch-common/bionic/crtbegin.c
+++ b/libc/arch-common/bionic/crtbegin.c
@@ -49,13 +49,15 @@
 #define POST "; .size _start, .-_start"
 
 #if defined(__aarch64__)
-__asm__(PRE "bti j; mov x0,sp; b _start_main" POST);
+__asm__(PRE "bti j; mov x29,#0; mov x30,#0; mov x0,sp; b _start_main" POST);
 #elif defined(__arm__)
-__asm__(PRE "mov r0,sp; b _start_main" POST);
+__asm__(PRE "mov fp,#0; mov lr,#0; mov r0,sp; b _start_main" POST);
 #elif defined(__i386__)
-__asm__(PRE "movl %esp,%eax; andl $~0xf,%esp; subl $12,%esp; pushl %eax; calll _start_main" POST);
+__asm__(PRE
+        "xorl %ebp,%ebp; movl %esp,%eax; andl $~0xf,%esp; subl $12,%esp; pushl %eax;"
+        "calll _start_main" POST);
 #elif defined(__x86_64__)
-__asm__(PRE "movq %rsp,%rdi; andq $~0xf,%rsp; callq _start_main" POST);
+__asm__(PRE "xorl %ebp, %ebp; movq %rsp,%rdi; andq $~0xf,%rsp; callq _start_main" POST);
 #else
 #error unsupported architecture
 #endif
diff --git a/libc/arch-x86/bionic/__bionic_clone.S b/libc/arch-x86/bionic/__bionic_clone.S
index b682b48..f0c58a0 100644
--- a/libc/arch-x86/bionic/__bionic_clone.S
+++ b/libc/arch-x86/bionic/__bionic_clone.S
@@ -45,6 +45,7 @@
 .L_bc_child:
         # We don't want anyone to unwind past this point.
         .cfi_undefined %eip
+        .cfi_undefined %ebp
         call    __start_thread
         hlt
 
diff --git a/libc/include/bits/glibc-syscalls.h b/libc/include/bits/glibc-syscalls.h
index 6b00f11..fbda7fe 100644
--- a/libc/include/bits/glibc-syscalls.h
+++ b/libc/include/bits/glibc-syscalls.h
@@ -606,6 +606,9 @@
 #if defined(__NR_mount)
   #define SYS_mount __NR_mount
 #endif
+#if defined(__NR_mount_setattr)
+  #define SYS_mount_setattr __NR_mount_setattr
+#endif
 #if defined(__NR_move_mount)
   #define SYS_move_mount __NR_move_mount
 #endif
diff --git a/libc/kernel/android/scsi/scsi/scsi.h b/libc/kernel/android/scsi/scsi/scsi.h
index 1e125d1..2ea16a3 100644
--- a/libc/kernel/android/scsi/scsi/scsi.h
+++ b/libc/kernel/android/scsi/scsi/scsi.h
@@ -57,6 +57,7 @@
 #define CLEAR_TASK_SET 0x0e
 #define INITIATE_RECOVERY 0x0f
 #define RELEASE_RECOVERY 0x10
+#define TERMINATE_IO_PROC 0x11
 #define CLEAR_ACA 0x16
 #define LOGICAL_UNIT_RESET 0x17
 #define SIMPLE_QUEUE_TAG 0x20
diff --git a/libc/kernel/uapi/asm-arm/asm/unistd-common.h b/libc/kernel/uapi/asm-arm/asm/unistd-common.h
index 6068bd2..070c77b 100644
--- a/libc/kernel/uapi/asm-arm/asm/unistd-common.h
+++ b/libc/kernel/uapi/asm-arm/asm/unistd-common.h
@@ -413,4 +413,5 @@
 #define __NR_faccessat2 (__NR_SYSCALL_BASE + 439)
 #define __NR_process_madvise (__NR_SYSCALL_BASE + 440)
 #define __NR_epoll_pwait2 (__NR_SYSCALL_BASE + 441)
+#define __NR_mount_setattr (__NR_SYSCALL_BASE + 442)
 #endif
diff --git a/libc/kernel/uapi/asm-generic/unistd.h b/libc/kernel/uapi/asm-generic/unistd.h
index f284254..1409701 100644
--- a/libc/kernel/uapi/asm-generic/unistd.h
+++ b/libc/kernel/uapi/asm-generic/unistd.h
@@ -402,8 +402,9 @@
 #define __NR_faccessat2 439
 #define __NR_process_madvise 440
 #define __NR_epoll_pwait2 441
+#define __NR_mount_setattr 442
 #undef __NR_syscalls
-#define __NR_syscalls 442
+#define __NR_syscalls 443
 #if __BITS_PER_LONG == 64 && !defined(__SYSCALL_COMPAT)
 #define __NR_fcntl __NR3264_fcntl
 #define __NR_statfs __NR3264_statfs
diff --git a/libc/kernel/uapi/asm-x86/asm/kvm.h b/libc/kernel/uapi/asm-x86/asm/kvm.h
index 7740002..0d82c5d 100644
--- a/libc/kernel/uapi/asm-x86/asm/kvm.h
+++ b/libc/kernel/uapi/asm-x86/asm/kvm.h
@@ -111,6 +111,7 @@
 #define KVM_IRQCHIP_IOAPIC 2
 #define KVM_NR_IRQCHIPS 3
 #define KVM_RUN_X86_SMM (1 << 0)
+#define KVM_RUN_X86_BUS_LOCK (1 << 1)
 struct kvm_regs {
   __u64 rax, rbx, rcx, rdx;
   __u64 rsi, rdi, rsp, rbp;
diff --git a/libc/kernel/uapi/asm-x86/asm/unistd_32.h b/libc/kernel/uapi/asm-x86/asm/unistd_32.h
index ca34f04..7fe2421 100644
--- a/libc/kernel/uapi/asm-x86/asm/unistd_32.h
+++ b/libc/kernel/uapi/asm-x86/asm/unistd_32.h
@@ -449,4 +449,5 @@
 #define __NR_faccessat2 439
 #define __NR_process_madvise 440
 #define __NR_epoll_pwait2 441
+#define __NR_mount_setattr 442
 #endif
diff --git a/libc/kernel/uapi/asm-x86/asm/unistd_64.h b/libc/kernel/uapi/asm-x86/asm/unistd_64.h
index 82268bd..7e3c924 100644
--- a/libc/kernel/uapi/asm-x86/asm/unistd_64.h
+++ b/libc/kernel/uapi/asm-x86/asm/unistd_64.h
@@ -371,4 +371,5 @@
 #define __NR_faccessat2 439
 #define __NR_process_madvise 440
 #define __NR_epoll_pwait2 441
+#define __NR_mount_setattr 442
 #endif
diff --git a/libc/kernel/uapi/asm-x86/asm/unistd_x32.h b/libc/kernel/uapi/asm-x86/asm/unistd_x32.h
index b5b39ad..529ded3 100644
--- a/libc/kernel/uapi/asm-x86/asm/unistd_x32.h
+++ b/libc/kernel/uapi/asm-x86/asm/unistd_x32.h
@@ -324,6 +324,7 @@
 #define __NR_faccessat2 (__X32_SYSCALL_BIT + 439)
 #define __NR_process_madvise (__X32_SYSCALL_BIT + 440)
 #define __NR_epoll_pwait2 (__X32_SYSCALL_BIT + 441)
+#define __NR_mount_setattr (__X32_SYSCALL_BIT + 442)
 #define __NR_rt_sigaction (__X32_SYSCALL_BIT + 512)
 #define __NR_rt_sigreturn (__X32_SYSCALL_BIT + 513)
 #define __NR_ioctl (__X32_SYSCALL_BIT + 514)
diff --git a/libc/kernel/uapi/asm-x86/asm/vmx.h b/libc/kernel/uapi/asm-x86/asm/vmx.h
index fc10e02..1771faa 100644
--- a/libc/kernel/uapi/asm-x86/asm/vmx.h
+++ b/libc/kernel/uapi/asm-x86/asm/vmx.h
@@ -79,7 +79,8 @@
 #define EXIT_REASON_XRSTORS 64
 #define EXIT_REASON_UMWAIT 67
 #define EXIT_REASON_TPAUSE 68
-#define VMX_EXIT_REASONS { EXIT_REASON_EXCEPTION_NMI, "EXCEPTION_NMI" }, { EXIT_REASON_EXTERNAL_INTERRUPT, "EXTERNAL_INTERRUPT" }, { EXIT_REASON_TRIPLE_FAULT, "TRIPLE_FAULT" }, { EXIT_REASON_INIT_SIGNAL, "INIT_SIGNAL" }, { EXIT_REASON_SIPI_SIGNAL, "SIPI_SIGNAL" }, { EXIT_REASON_INTERRUPT_WINDOW, "INTERRUPT_WINDOW" }, { EXIT_REASON_NMI_WINDOW, "NMI_WINDOW" }, { EXIT_REASON_TASK_SWITCH, "TASK_SWITCH" }, { EXIT_REASON_CPUID, "CPUID" }, { EXIT_REASON_HLT, "HLT" }, { EXIT_REASON_INVD, "INVD" }, { EXIT_REASON_INVLPG, "INVLPG" }, { EXIT_REASON_RDPMC, "RDPMC" }, { EXIT_REASON_RDTSC, "RDTSC" }, { EXIT_REASON_VMCALL, "VMCALL" }, { EXIT_REASON_VMCLEAR, "VMCLEAR" }, { EXIT_REASON_VMLAUNCH, "VMLAUNCH" }, { EXIT_REASON_VMPTRLD, "VMPTRLD" }, { EXIT_REASON_VMPTRST, "VMPTRST" }, { EXIT_REASON_VMREAD, "VMREAD" }, { EXIT_REASON_VMRESUME, "VMRESUME" }, { EXIT_REASON_VMWRITE, "VMWRITE" }, { EXIT_REASON_VMOFF, "VMOFF" }, { EXIT_REASON_VMON, "VMON" }, { EXIT_REASON_CR_ACCESS, "CR_ACCESS" }, { EXIT_REASON_DR_ACCESS, "DR_ACCESS" }, { EXIT_REASON_IO_INSTRUCTION, "IO_INSTRUCTION" }, { EXIT_REASON_MSR_READ, "MSR_READ" }, { EXIT_REASON_MSR_WRITE, "MSR_WRITE" }, { EXIT_REASON_INVALID_STATE, "INVALID_STATE" }, { EXIT_REASON_MSR_LOAD_FAIL, "MSR_LOAD_FAIL" }, { EXIT_REASON_MWAIT_INSTRUCTION, "MWAIT_INSTRUCTION" }, { EXIT_REASON_MONITOR_TRAP_FLAG, "MONITOR_TRAP_FLAG" }, { EXIT_REASON_MONITOR_INSTRUCTION, "MONITOR_INSTRUCTION" }, { EXIT_REASON_PAUSE_INSTRUCTION, "PAUSE_INSTRUCTION" }, { EXIT_REASON_MCE_DURING_VMENTRY, "MCE_DURING_VMENTRY" }, { EXIT_REASON_TPR_BELOW_THRESHOLD, "TPR_BELOW_THRESHOLD" }, { EXIT_REASON_APIC_ACCESS, "APIC_ACCESS" }, { EXIT_REASON_EOI_INDUCED, "EOI_INDUCED" }, { EXIT_REASON_GDTR_IDTR, "GDTR_IDTR" }, { EXIT_REASON_LDTR_TR, "LDTR_TR" }, { EXIT_REASON_EPT_VIOLATION, "EPT_VIOLATION" }, { EXIT_REASON_EPT_MISCONFIG, "EPT_MISCONFIG" }, { EXIT_REASON_INVEPT, "INVEPT" }, { EXIT_REASON_RDTSCP, "RDTSCP" }, { EXIT_REASON_PREEMPTION_TIMER, "PREEMPTION_TIMER" }, { EXIT_REASON_INVVPID, "INVVPID" }, { EXIT_REASON_WBINVD, "WBINVD" }, { EXIT_REASON_XSETBV, "XSETBV" }, { EXIT_REASON_APIC_WRITE, "APIC_WRITE" }, { EXIT_REASON_RDRAND, "RDRAND" }, { EXIT_REASON_INVPCID, "INVPCID" }, { EXIT_REASON_VMFUNC, "VMFUNC" }, { EXIT_REASON_ENCLS, "ENCLS" }, { EXIT_REASON_RDSEED, "RDSEED" }, { EXIT_REASON_PML_FULL, "PML_FULL" }, { EXIT_REASON_XSAVES, "XSAVES" }, { EXIT_REASON_XRSTORS, "XRSTORS" }, { EXIT_REASON_UMWAIT, "UMWAIT" }, { EXIT_REASON_TPAUSE, "TPAUSE" }
+#define EXIT_REASON_BUS_LOCK 74
+#define VMX_EXIT_REASONS { EXIT_REASON_EXCEPTION_NMI, "EXCEPTION_NMI" }, { EXIT_REASON_EXTERNAL_INTERRUPT, "EXTERNAL_INTERRUPT" }, { EXIT_REASON_TRIPLE_FAULT, "TRIPLE_FAULT" }, { EXIT_REASON_INIT_SIGNAL, "INIT_SIGNAL" }, { EXIT_REASON_SIPI_SIGNAL, "SIPI_SIGNAL" }, { EXIT_REASON_INTERRUPT_WINDOW, "INTERRUPT_WINDOW" }, { EXIT_REASON_NMI_WINDOW, "NMI_WINDOW" }, { EXIT_REASON_TASK_SWITCH, "TASK_SWITCH" }, { EXIT_REASON_CPUID, "CPUID" }, { EXIT_REASON_HLT, "HLT" }, { EXIT_REASON_INVD, "INVD" }, { EXIT_REASON_INVLPG, "INVLPG" }, { EXIT_REASON_RDPMC, "RDPMC" }, { EXIT_REASON_RDTSC, "RDTSC" }, { EXIT_REASON_VMCALL, "VMCALL" }, { EXIT_REASON_VMCLEAR, "VMCLEAR" }, { EXIT_REASON_VMLAUNCH, "VMLAUNCH" }, { EXIT_REASON_VMPTRLD, "VMPTRLD" }, { EXIT_REASON_VMPTRST, "VMPTRST" }, { EXIT_REASON_VMREAD, "VMREAD" }, { EXIT_REASON_VMRESUME, "VMRESUME" }, { EXIT_REASON_VMWRITE, "VMWRITE" }, { EXIT_REASON_VMOFF, "VMOFF" }, { EXIT_REASON_VMON, "VMON" }, { EXIT_REASON_CR_ACCESS, "CR_ACCESS" }, { EXIT_REASON_DR_ACCESS, "DR_ACCESS" }, { EXIT_REASON_IO_INSTRUCTION, "IO_INSTRUCTION" }, { EXIT_REASON_MSR_READ, "MSR_READ" }, { EXIT_REASON_MSR_WRITE, "MSR_WRITE" }, { EXIT_REASON_INVALID_STATE, "INVALID_STATE" }, { EXIT_REASON_MSR_LOAD_FAIL, "MSR_LOAD_FAIL" }, { EXIT_REASON_MWAIT_INSTRUCTION, "MWAIT_INSTRUCTION" }, { EXIT_REASON_MONITOR_TRAP_FLAG, "MONITOR_TRAP_FLAG" }, { EXIT_REASON_MONITOR_INSTRUCTION, "MONITOR_INSTRUCTION" }, { EXIT_REASON_PAUSE_INSTRUCTION, "PAUSE_INSTRUCTION" }, { EXIT_REASON_MCE_DURING_VMENTRY, "MCE_DURING_VMENTRY" }, { EXIT_REASON_TPR_BELOW_THRESHOLD, "TPR_BELOW_THRESHOLD" }, { EXIT_REASON_APIC_ACCESS, "APIC_ACCESS" }, { EXIT_REASON_EOI_INDUCED, "EOI_INDUCED" }, { EXIT_REASON_GDTR_IDTR, "GDTR_IDTR" }, { EXIT_REASON_LDTR_TR, "LDTR_TR" }, { EXIT_REASON_EPT_VIOLATION, "EPT_VIOLATION" }, { EXIT_REASON_EPT_MISCONFIG, "EPT_MISCONFIG" }, { EXIT_REASON_INVEPT, "INVEPT" }, { EXIT_REASON_RDTSCP, "RDTSCP" }, { EXIT_REASON_PREEMPTION_TIMER, "PREEMPTION_TIMER" }, { EXIT_REASON_INVVPID, "INVVPID" }, { EXIT_REASON_WBINVD, "WBINVD" }, { EXIT_REASON_XSETBV, "XSETBV" }, { EXIT_REASON_APIC_WRITE, "APIC_WRITE" }, { EXIT_REASON_RDRAND, "RDRAND" }, { EXIT_REASON_INVPCID, "INVPCID" }, { EXIT_REASON_VMFUNC, "VMFUNC" }, { EXIT_REASON_ENCLS, "ENCLS" }, { EXIT_REASON_RDSEED, "RDSEED" }, { EXIT_REASON_PML_FULL, "PML_FULL" }, { EXIT_REASON_XSAVES, "XSAVES" }, { EXIT_REASON_XRSTORS, "XRSTORS" }, { EXIT_REASON_UMWAIT, "UMWAIT" }, { EXIT_REASON_TPAUSE, "TPAUSE" }, { EXIT_REASON_BUS_LOCK, "BUS_LOCK" }
 #define VMX_EXIT_REASON_FLAGS { VMX_EXIT_REASONS_FAILED_VMENTRY, "FAILED_VMENTRY" }
 #define VMX_ABORT_SAVE_GUEST_MSR_FAIL 1
 #define VMX_ABORT_LOAD_HOST_PDPTE_FAIL 2
diff --git a/libc/kernel/uapi/drm/drm_fourcc.h b/libc/kernel/uapi/drm/drm_fourcc.h
index de01ddf..4574c1c 100644
--- a/libc/kernel/uapi/drm/drm_fourcc.h
+++ b/libc/kernel/uapi/drm/drm_fourcc.h
@@ -153,6 +153,7 @@
 #define I915_FORMAT_MOD_Yf_TILED_CCS fourcc_mod_code(INTEL, 5)
 #define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS fourcc_mod_code(INTEL, 6)
 #define I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS fourcc_mod_code(INTEL, 7)
+#define I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC fourcc_mod_code(INTEL, 8)
 #define DRM_FORMAT_MOD_SAMSUNG_64_32_TILE fourcc_mod_code(SAMSUNG, 1)
 #define DRM_FORMAT_MOD_SAMSUNG_16_16_TILE fourcc_mod_code(SAMSUNG, 2)
 #define DRM_FORMAT_MOD_QCOM_COMPRESSED fourcc_mod_code(QCOM, 1)
@@ -204,9 +205,9 @@
 #define AFBC_FORMAT_MOD_USM (1ULL << 12)
 #define DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED DRM_FORMAT_MOD_ARM_CODE(DRM_FORMAT_MOD_ARM_TYPE_MISC, 1ULL)
 #define DRM_FORMAT_MOD_ALLWINNER_TILED fourcc_mod_code(ALLWINNER, 1)
-#define __fourcc_mod_amlogic_layout_mask 0xf
+#define __fourcc_mod_amlogic_layout_mask 0xff
 #define __fourcc_mod_amlogic_options_shift 8
-#define __fourcc_mod_amlogic_options_mask 0xf
+#define __fourcc_mod_amlogic_options_mask 0xff
 #define DRM_FORMAT_MOD_AMLOGIC_FBC(__layout,__options) fourcc_mod_code(AMLOGIC, ((__layout) & __fourcc_mod_amlogic_layout_mask) | (((__options) & __fourcc_mod_amlogic_options_mask) << __fourcc_mod_amlogic_options_shift))
 #define AMLOGIC_FBC_LAYOUT_BASIC (1ULL)
 #define AMLOGIC_FBC_LAYOUT_SCATTER (2ULL)
diff --git a/libc/kernel/uapi/drm/i915_drm.h b/libc/kernel/uapi/drm/i915_drm.h
index c634925..f265d92 100644
--- a/libc/kernel/uapi/drm/i915_drm.h
+++ b/libc/kernel/uapi/drm/i915_drm.h
@@ -67,6 +67,7 @@
 #define I915_PMU_REQUESTED_FREQUENCY __I915_PMU_OTHER(1)
 #define I915_PMU_INTERRUPTS __I915_PMU_OTHER(2)
 #define I915_PMU_RC6_RESIDENCY __I915_PMU_OTHER(3)
+#define I915_PMU_SOFTWARE_GT_AWAKE_TIME __I915_PMU_OTHER(4)
 #define I915_PMU_LAST I915_PMU_RC6_RESIDENCY
 #define I915_NR_TEX_REGIONS 255
 #define I915_LOG_MIN_TEX_REGION_SIZE 14
diff --git a/libc/kernel/uapi/linux/acrn.h b/libc/kernel/uapi/linux/acrn.h
new file mode 100644
index 0000000..74b719a
--- /dev/null
+++ b/libc/kernel/uapi/linux/acrn.h
@@ -0,0 +1,263 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI_ACRN_H
+#define _UAPI_ACRN_H
+#include <linux/types.h>
+#include <linux/uuid.h>
+#define ACRN_IO_REQUEST_MAX 16
+#define ACRN_IOREQ_STATE_PENDING 0
+#define ACRN_IOREQ_STATE_COMPLETE 1
+#define ACRN_IOREQ_STATE_PROCESSING 2
+#define ACRN_IOREQ_STATE_FREE 3
+#define ACRN_IOREQ_TYPE_PORTIO 0
+#define ACRN_IOREQ_TYPE_MMIO 1
+#define ACRN_IOREQ_TYPE_PCICFG 2
+#define ACRN_IOREQ_DIR_READ 0
+#define ACRN_IOREQ_DIR_WRITE 1
+struct acrn_mmio_request {
+  __u32 direction;
+  __u32 reserved;
+  __u64 address;
+  __u64 size;
+  __u64 value;
+};
+struct acrn_pio_request {
+  __u32 direction;
+  __u32 reserved;
+  __u64 address;
+  __u64 size;
+  __u32 value;
+};
+struct acrn_pci_request {
+  __u32 direction;
+  __u32 reserved[3];
+  __u64 size;
+  __u32 value;
+  __u32 bus;
+  __u32 dev;
+  __u32 func;
+  __u32 reg;
+};
+struct acrn_io_request {
+  __u32 type;
+  __u32 completion_polling;
+  __u32 reserved0[14];
+  union {
+    struct acrn_pio_request pio_request;
+    struct acrn_pci_request pci_request;
+    struct acrn_mmio_request mmio_request;
+    __u64 data[8];
+  } reqs;
+  __u32 reserved1;
+  __u32 kernel_handled;
+  __u32 processed;
+} __attribute__((aligned(256)));
+struct acrn_io_request_buffer {
+  union {
+    struct acrn_io_request req_slot[ACRN_IO_REQUEST_MAX];
+    __u8 reserved[4096];
+  };
+};
+struct acrn_ioreq_notify {
+  __u16 vmid;
+  __u16 reserved;
+  __u32 vcpu;
+};
+struct acrn_vm_creation {
+  __u16 vmid;
+  __u16 reserved0;
+  __u16 vcpu_num;
+  __u16 reserved1;
+  guid_t uuid;
+  __u64 vm_flag;
+  __u64 ioreq_buf;
+  __u64 cpu_affinity;
+};
+struct acrn_gp_regs {
+  __le64 rax;
+  __le64 rcx;
+  __le64 rdx;
+  __le64 rbx;
+  __le64 rsp;
+  __le64 rbp;
+  __le64 rsi;
+  __le64 rdi;
+  __le64 r8;
+  __le64 r9;
+  __le64 r10;
+  __le64 r11;
+  __le64 r12;
+  __le64 r13;
+  __le64 r14;
+  __le64 r15;
+};
+struct acrn_descriptor_ptr {
+  __le16 limit;
+  __le64 base;
+  __le16 reserved[3];
+} __attribute__((__packed__));
+struct acrn_regs {
+  struct acrn_gp_regs gprs;
+  struct acrn_descriptor_ptr gdt;
+  struct acrn_descriptor_ptr idt;
+  __le64 rip;
+  __le64 cs_base;
+  __le64 cr0;
+  __le64 cr4;
+  __le64 cr3;
+  __le64 ia32_efer;
+  __le64 rflags;
+  __le64 reserved_64[4];
+  __le32 cs_ar;
+  __le32 cs_limit;
+  __le32 reserved_32[3];
+  __le16 cs_sel;
+  __le16 ss_sel;
+  __le16 ds_sel;
+  __le16 es_sel;
+  __le16 fs_sel;
+  __le16 gs_sel;
+  __le16 ldt_sel;
+  __le16 tr_sel;
+};
+struct acrn_vcpu_regs {
+  __u16 vcpu_id;
+  __u16 reserved[3];
+  struct acrn_regs vcpu_regs;
+};
+#define ACRN_MEM_ACCESS_RIGHT_MASK 0x00000007U
+#define ACRN_MEM_ACCESS_READ 0x00000001U
+#define ACRN_MEM_ACCESS_WRITE 0x00000002U
+#define ACRN_MEM_ACCESS_EXEC 0x00000004U
+#define ACRN_MEM_ACCESS_RWX (ACRN_MEM_ACCESS_READ | ACRN_MEM_ACCESS_WRITE | ACRN_MEM_ACCESS_EXEC)
+#define ACRN_MEM_TYPE_MASK 0x000007C0U
+#define ACRN_MEM_TYPE_WB 0x00000040U
+#define ACRN_MEM_TYPE_WT 0x00000080U
+#define ACRN_MEM_TYPE_UC 0x00000100U
+#define ACRN_MEM_TYPE_WC 0x00000200U
+#define ACRN_MEM_TYPE_WP 0x00000400U
+#define ACRN_MEMMAP_RAM 0
+#define ACRN_MEMMAP_MMIO 1
+struct acrn_vm_memmap {
+  __u32 type;
+  __u32 attr;
+  __u64 user_vm_pa;
+  union {
+    __u64 service_vm_pa;
+    __u64 vma_base;
+  };
+  __u64 len;
+};
+#define ACRN_PTDEV_IRQ_INTX 0
+#define ACRN_PTDEV_IRQ_MSI 1
+#define ACRN_PTDEV_IRQ_MSIX 2
+struct acrn_ptdev_irq {
+  __u32 type;
+  __u16 virt_bdf;
+  __u16 phys_bdf;
+  struct {
+    __u32 virt_pin;
+    __u32 phys_pin;
+    __u32 is_pic_pin;
+  } intx;
+};
+#define ACRN_PTDEV_QUIRK_ASSIGN (1U << 0)
+#define ACRN_PCI_NUM_BARS 6
+struct acrn_pcidev {
+  __u32 type;
+  __u16 virt_bdf;
+  __u16 phys_bdf;
+  __u8 intr_line;
+  __u8 intr_pin;
+  __u32 bar[ACRN_PCI_NUM_BARS];
+};
+struct acrn_msi_entry {
+  __u64 msi_addr;
+  __u64 msi_data;
+};
+struct acrn_acpi_generic_address {
+  __u8 space_id;
+  __u8 bit_width;
+  __u8 bit_offset;
+  __u8 access_size;
+  __u64 address;
+} __attribute__((__packed__));
+struct acrn_cstate_data {
+  struct acrn_acpi_generic_address cx_reg;
+  __u8 type;
+  __u32 latency;
+  __u64 power;
+};
+struct acrn_pstate_data {
+  __u64 core_frequency;
+  __u64 power;
+  __u64 transition_latency;
+  __u64 bus_master_latency;
+  __u64 control;
+  __u64 status;
+};
+#define PMCMD_TYPE_MASK 0x000000ff
+enum acrn_pm_cmd_type {
+  ACRN_PMCMD_GET_PX_CNT,
+  ACRN_PMCMD_GET_PX_DATA,
+  ACRN_PMCMD_GET_CX_CNT,
+  ACRN_PMCMD_GET_CX_DATA,
+};
+#define ACRN_IOEVENTFD_FLAG_PIO 0x01
+#define ACRN_IOEVENTFD_FLAG_DATAMATCH 0x02
+#define ACRN_IOEVENTFD_FLAG_DEASSIGN 0x04
+struct acrn_ioeventfd {
+  __u32 fd;
+  __u32 flags;
+  __u64 addr;
+  __u32 len;
+  __u32 reserved;
+  __u64 data;
+};
+#define ACRN_IRQFD_FLAG_DEASSIGN 0x01
+struct acrn_irqfd {
+  __s32 fd;
+  __u32 flags;
+  struct acrn_msi_entry msi;
+};
+#define ACRN_IOCTL_TYPE 0xA2
+#define ACRN_IOCTL_CREATE_VM _IOWR(ACRN_IOCTL_TYPE, 0x10, struct acrn_vm_creation)
+#define ACRN_IOCTL_DESTROY_VM _IO(ACRN_IOCTL_TYPE, 0x11)
+#define ACRN_IOCTL_START_VM _IO(ACRN_IOCTL_TYPE, 0x12)
+#define ACRN_IOCTL_PAUSE_VM _IO(ACRN_IOCTL_TYPE, 0x13)
+#define ACRN_IOCTL_RESET_VM _IO(ACRN_IOCTL_TYPE, 0x15)
+#define ACRN_IOCTL_SET_VCPU_REGS _IOW(ACRN_IOCTL_TYPE, 0x16, struct acrn_vcpu_regs)
+#define ACRN_IOCTL_INJECT_MSI _IOW(ACRN_IOCTL_TYPE, 0x23, struct acrn_msi_entry)
+#define ACRN_IOCTL_VM_INTR_MONITOR _IOW(ACRN_IOCTL_TYPE, 0x24, unsigned long)
+#define ACRN_IOCTL_SET_IRQLINE _IOW(ACRN_IOCTL_TYPE, 0x25, __u64)
+#define ACRN_IOCTL_NOTIFY_REQUEST_FINISH _IOW(ACRN_IOCTL_TYPE, 0x31, struct acrn_ioreq_notify)
+#define ACRN_IOCTL_CREATE_IOREQ_CLIENT _IO(ACRN_IOCTL_TYPE, 0x32)
+#define ACRN_IOCTL_ATTACH_IOREQ_CLIENT _IO(ACRN_IOCTL_TYPE, 0x33)
+#define ACRN_IOCTL_DESTROY_IOREQ_CLIENT _IO(ACRN_IOCTL_TYPE, 0x34)
+#define ACRN_IOCTL_CLEAR_VM_IOREQ _IO(ACRN_IOCTL_TYPE, 0x35)
+#define ACRN_IOCTL_SET_MEMSEG _IOW(ACRN_IOCTL_TYPE, 0x41, struct acrn_vm_memmap)
+#define ACRN_IOCTL_UNSET_MEMSEG _IOW(ACRN_IOCTL_TYPE, 0x42, struct acrn_vm_memmap)
+#define ACRN_IOCTL_SET_PTDEV_INTR _IOW(ACRN_IOCTL_TYPE, 0x53, struct acrn_ptdev_irq)
+#define ACRN_IOCTL_RESET_PTDEV_INTR _IOW(ACRN_IOCTL_TYPE, 0x54, struct acrn_ptdev_irq)
+#define ACRN_IOCTL_ASSIGN_PCIDEV _IOW(ACRN_IOCTL_TYPE, 0x55, struct acrn_pcidev)
+#define ACRN_IOCTL_DEASSIGN_PCIDEV _IOW(ACRN_IOCTL_TYPE, 0x56, struct acrn_pcidev)
+#define ACRN_IOCTL_PM_GET_CPU_STATE _IOWR(ACRN_IOCTL_TYPE, 0x60, __u64)
+#define ACRN_IOCTL_IOEVENTFD _IOW(ACRN_IOCTL_TYPE, 0x70, struct acrn_ioeventfd)
+#define ACRN_IOCTL_IRQFD _IOW(ACRN_IOCTL_TYPE, 0x71, struct acrn_irqfd)
+#endif
diff --git a/libc/kernel/uapi/linux/binfmts.h b/libc/kernel/uapi/linux/binfmts.h
index 8c4fed0..053be3c 100644
--- a/libc/kernel/uapi/linux/binfmts.h
+++ b/libc/kernel/uapi/linux/binfmts.h
@@ -23,4 +23,6 @@
 #define MAX_ARG_STRLEN (PAGE_SIZE * 32)
 #define MAX_ARG_STRINGS 0x7FFFFFFF
 #define BINPRM_BUF_SIZE 256
+#define AT_FLAGS_PRESERVE_ARGV0_BIT 0
+#define AT_FLAGS_PRESERVE_ARGV0 (1 << AT_FLAGS_PRESERVE_ARGV0_BIT)
 #endif
diff --git a/libc/kernel/uapi/linux/bpf.h b/libc/kernel/uapi/linux/bpf.h
index 9ee7fbd..c643ffa 100644
--- a/libc/kernel/uapi/linux/bpf.h
+++ b/libc/kernel/uapi/linux/bpf.h
@@ -23,6 +23,7 @@
 #define BPF_JMP32 0x06
 #define BPF_ALU64 0x07
 #define BPF_DW 0x18
+#define BPF_ATOMIC 0xc0
 #define BPF_XADD 0xc0
 #define BPF_MOV 0xb0
 #define BPF_ARSH 0xc0
@@ -40,6 +41,9 @@
 #define BPF_JSLE 0xd0
 #define BPF_CALL 0x80
 #define BPF_EXIT 0x90
+#define BPF_FETCH 0x01
+#define BPF_XCHG (0xe0 | BPF_FETCH)
+#define BPF_CMPXCHG (0xf0 | BPF_FETCH)
 enum {
   BPF_REG_0 = 0,
   BPF_REG_1,
@@ -456,7 +460,7 @@
     __u32 flags;
   } prog_bind_map;
 } __attribute__((aligned(8)));
-#define __BPF_FUNC_MAPPER(FN) FN(unspec), FN(map_lookup_elem), FN(map_update_elem), FN(map_delete_elem), FN(probe_read), FN(ktime_get_ns), FN(trace_printk), FN(get_prandom_u32), FN(get_smp_processor_id), FN(skb_store_bytes), FN(l3_csum_replace), FN(l4_csum_replace), FN(tail_call), FN(clone_redirect), FN(get_current_pid_tgid), FN(get_current_uid_gid), FN(get_current_comm), FN(get_cgroup_classid), FN(skb_vlan_push), FN(skb_vlan_pop), FN(skb_get_tunnel_key), FN(skb_set_tunnel_key), FN(perf_event_read), FN(redirect), FN(get_route_realm), FN(perf_event_output), FN(skb_load_bytes), FN(get_stackid), FN(csum_diff), FN(skb_get_tunnel_opt), FN(skb_set_tunnel_opt), FN(skb_change_proto), FN(skb_change_type), FN(skb_under_cgroup), FN(get_hash_recalc), FN(get_current_task), FN(probe_write_user), FN(current_task_under_cgroup), FN(skb_change_tail), FN(skb_pull_data), FN(csum_update), FN(set_hash_invalid), FN(get_numa_node_id), FN(skb_change_head), FN(xdp_adjust_head), FN(probe_read_str), FN(get_socket_cookie), FN(get_socket_uid), FN(set_hash), FN(setsockopt), FN(skb_adjust_room), FN(redirect_map), FN(sk_redirect_map), FN(sock_map_update), FN(xdp_adjust_meta), FN(perf_event_read_value), FN(perf_prog_read_value), FN(getsockopt), FN(override_return), FN(sock_ops_cb_flags_set), FN(msg_redirect_map), FN(msg_apply_bytes), FN(msg_cork_bytes), FN(msg_pull_data), FN(bind), FN(xdp_adjust_tail), FN(skb_get_xfrm_state), FN(get_stack), FN(skb_load_bytes_relative), FN(fib_lookup), FN(sock_hash_update), FN(msg_redirect_hash), FN(sk_redirect_hash), FN(lwt_push_encap), FN(lwt_seg6_store_bytes), FN(lwt_seg6_adjust_srh), FN(lwt_seg6_action), FN(rc_repeat), FN(rc_keydown), FN(skb_cgroup_id), FN(get_current_cgroup_id), FN(get_local_storage), FN(sk_select_reuseport), FN(skb_ancestor_cgroup_id), FN(sk_lookup_tcp), FN(sk_lookup_udp), FN(sk_release), FN(map_push_elem), FN(map_pop_elem), FN(map_peek_elem), FN(msg_push_data), FN(msg_pop_data), FN(rc_pointer_rel), FN(spin_lock), FN(spin_unlock), FN(sk_fullsock), FN(tcp_sock), FN(skb_ecn_set_ce), FN(get_listener_sock), FN(skc_lookup_tcp), FN(tcp_check_syncookie), FN(sysctl_get_name), FN(sysctl_get_current_value), FN(sysctl_get_new_value), FN(sysctl_set_new_value), FN(strtol), FN(strtoul), FN(sk_storage_get), FN(sk_storage_delete), FN(send_signal), FN(tcp_gen_syncookie), FN(skb_output), FN(probe_read_user), FN(probe_read_kernel), FN(probe_read_user_str), FN(probe_read_kernel_str), FN(tcp_send_ack), FN(send_signal_thread), FN(jiffies64), FN(read_branch_records), FN(get_ns_current_pid_tgid), FN(xdp_output), FN(get_netns_cookie), FN(get_current_ancestor_cgroup_id), FN(sk_assign), FN(ktime_get_boot_ns), FN(seq_printf), FN(seq_write), FN(sk_cgroup_id), FN(sk_ancestor_cgroup_id), FN(ringbuf_output), FN(ringbuf_reserve), FN(ringbuf_submit), FN(ringbuf_discard), FN(ringbuf_query), FN(csum_level), FN(skc_to_tcp6_sock), FN(skc_to_tcp_sock), FN(skc_to_tcp_timewait_sock), FN(skc_to_tcp_request_sock), FN(skc_to_udp6_sock), FN(get_task_stack), FN(load_hdr_opt), FN(store_hdr_opt), FN(reserve_hdr_opt), FN(inode_storage_get), FN(inode_storage_delete), FN(d_path), FN(copy_from_user), FN(snprintf_btf), FN(seq_printf_btf), FN(skb_cgroup_classid), FN(redirect_neigh), FN(per_cpu_ptr), FN(this_cpu_ptr), FN(redirect_peer), FN(task_storage_get), FN(task_storage_delete), FN(get_current_task_btf), FN(bprm_opts_set), FN(ktime_get_coarse_ns), FN(ima_inode_hash), FN(sock_from_file),
+#define __BPF_FUNC_MAPPER(FN) FN(unspec), FN(map_lookup_elem), FN(map_update_elem), FN(map_delete_elem), FN(probe_read), FN(ktime_get_ns), FN(trace_printk), FN(get_prandom_u32), FN(get_smp_processor_id), FN(skb_store_bytes), FN(l3_csum_replace), FN(l4_csum_replace), FN(tail_call), FN(clone_redirect), FN(get_current_pid_tgid), FN(get_current_uid_gid), FN(get_current_comm), FN(get_cgroup_classid), FN(skb_vlan_push), FN(skb_vlan_pop), FN(skb_get_tunnel_key), FN(skb_set_tunnel_key), FN(perf_event_read), FN(redirect), FN(get_route_realm), FN(perf_event_output), FN(skb_load_bytes), FN(get_stackid), FN(csum_diff), FN(skb_get_tunnel_opt), FN(skb_set_tunnel_opt), FN(skb_change_proto), FN(skb_change_type), FN(skb_under_cgroup), FN(get_hash_recalc), FN(get_current_task), FN(probe_write_user), FN(current_task_under_cgroup), FN(skb_change_tail), FN(skb_pull_data), FN(csum_update), FN(set_hash_invalid), FN(get_numa_node_id), FN(skb_change_head), FN(xdp_adjust_head), FN(probe_read_str), FN(get_socket_cookie), FN(get_socket_uid), FN(set_hash), FN(setsockopt), FN(skb_adjust_room), FN(redirect_map), FN(sk_redirect_map), FN(sock_map_update), FN(xdp_adjust_meta), FN(perf_event_read_value), FN(perf_prog_read_value), FN(getsockopt), FN(override_return), FN(sock_ops_cb_flags_set), FN(msg_redirect_map), FN(msg_apply_bytes), FN(msg_cork_bytes), FN(msg_pull_data), FN(bind), FN(xdp_adjust_tail), FN(skb_get_xfrm_state), FN(get_stack), FN(skb_load_bytes_relative), FN(fib_lookup), FN(sock_hash_update), FN(msg_redirect_hash), FN(sk_redirect_hash), FN(lwt_push_encap), FN(lwt_seg6_store_bytes), FN(lwt_seg6_adjust_srh), FN(lwt_seg6_action), FN(rc_repeat), FN(rc_keydown), FN(skb_cgroup_id), FN(get_current_cgroup_id), FN(get_local_storage), FN(sk_select_reuseport), FN(skb_ancestor_cgroup_id), FN(sk_lookup_tcp), FN(sk_lookup_udp), FN(sk_release), FN(map_push_elem), FN(map_pop_elem), FN(map_peek_elem), FN(msg_push_data), FN(msg_pop_data), FN(rc_pointer_rel), FN(spin_lock), FN(spin_unlock), FN(sk_fullsock), FN(tcp_sock), FN(skb_ecn_set_ce), FN(get_listener_sock), FN(skc_lookup_tcp), FN(tcp_check_syncookie), FN(sysctl_get_name), FN(sysctl_get_current_value), FN(sysctl_get_new_value), FN(sysctl_set_new_value), FN(strtol), FN(strtoul), FN(sk_storage_get), FN(sk_storage_delete), FN(send_signal), FN(tcp_gen_syncookie), FN(skb_output), FN(probe_read_user), FN(probe_read_kernel), FN(probe_read_user_str), FN(probe_read_kernel_str), FN(tcp_send_ack), FN(send_signal_thread), FN(jiffies64), FN(read_branch_records), FN(get_ns_current_pid_tgid), FN(xdp_output), FN(get_netns_cookie), FN(get_current_ancestor_cgroup_id), FN(sk_assign), FN(ktime_get_boot_ns), FN(seq_printf), FN(seq_write), FN(sk_cgroup_id), FN(sk_ancestor_cgroup_id), FN(ringbuf_output), FN(ringbuf_reserve), FN(ringbuf_submit), FN(ringbuf_discard), FN(ringbuf_query), FN(csum_level), FN(skc_to_tcp6_sock), FN(skc_to_tcp_sock), FN(skc_to_tcp_timewait_sock), FN(skc_to_tcp_request_sock), FN(skc_to_udp6_sock), FN(get_task_stack), FN(load_hdr_opt), FN(store_hdr_opt), FN(reserve_hdr_opt), FN(inode_storage_get), FN(inode_storage_delete), FN(d_path), FN(copy_from_user), FN(snprintf_btf), FN(seq_printf_btf), FN(skb_cgroup_classid), FN(redirect_neigh), FN(per_cpu_ptr), FN(this_cpu_ptr), FN(redirect_peer), FN(task_storage_get), FN(task_storage_delete), FN(get_current_task_btf), FN(bprm_opts_set), FN(ktime_get_coarse_ns), FN(ima_inode_hash), FN(sock_from_file), FN(check_mtu),
 #define __BPF_ENUM_FN(x) BPF_FUNC_ ##x
 enum bpf_func_id {
   __BPF_FUNC_MAPPER(__BPF_ENUM_FN) __BPF_FUNC_MAX_ID,
@@ -783,6 +787,7 @@
   __aligned_u64 prog_tags;
   __u64 run_time_ns;
   __u64 run_cnt;
+  __u64 recursion_misses;
 } __attribute__((aligned(8)));
 struct bpf_map_info {
   __u32 type;
@@ -1001,7 +1006,10 @@
   __u8 l4_protocol;
   __be16 sport;
   __be16 dport;
-  __u16 tot_len;
+  union {
+    __u16 tot_len;
+    __u16 mtu_result;
+  };
   __u32 ifindex;
   union {
     __u8 tos;
@@ -1028,6 +1036,14 @@
     __u32 ipv6_nh[4];
   };
 };
+enum bpf_check_mtu_flags {
+  BPF_MTU_CHK_SEGS = (1U << 0),
+};
+enum bpf_check_mtu_ret {
+  BPF_MTU_CHK_RET_SUCCESS,
+  BPF_MTU_CHK_RET_FRAG_NEEDED,
+  BPF_MTU_CHK_RET_SEGS_TOOBIG,
+};
 enum bpf_task_fd_type {
   BPF_FD_TYPE_RAW_TRACEPOINT,
   BPF_FD_TYPE_TRACEPOINT,
diff --git a/libc/kernel/uapi/linux/can.h b/libc/kernel/uapi/linux/can.h
index 46eafc5..59fc31e 100644
--- a/libc/kernel/uapi/linux/can.h
+++ b/libc/kernel/uapi/linux/can.h
@@ -40,7 +40,7 @@
   union {
     __u8 len;
     __u8 can_dlc;
-  };
+  } __attribute__((packed));
   __u8 __pad;
   __u8 __res0;
   __u8 len8_dlc;
diff --git a/libc/kernel/uapi/linux/ccs.h b/libc/kernel/uapi/linux/ccs.h
new file mode 100644
index 0000000..53c88af
--- /dev/null
+++ b/libc/kernel/uapi/linux/ccs.h
@@ -0,0 +1,30 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __UAPI_CCS_H__
+#define __UAPI_CCS_H__
+#include <linux/v4l2-controls.h>
+#define V4L2_CID_CCS_ANALOGUE_GAIN_M0 (V4L2_CID_USER_CCS_BASE + 1)
+#define V4L2_CID_CCS_ANALOGUE_GAIN_C0 (V4L2_CID_USER_CCS_BASE + 2)
+#define V4L2_CID_CCS_ANALOGUE_GAIN_M1 (V4L2_CID_USER_CCS_BASE + 3)
+#define V4L2_CID_CCS_ANALOGUE_GAIN_C1 (V4L2_CID_USER_CCS_BASE + 4)
+#define V4L2_CID_CCS_ANALOGUE_LINEAR_GAIN (V4L2_CID_USER_CCS_BASE + 5)
+#define V4L2_CID_CCS_ANALOGUE_EXPONENTIAL_GAIN (V4L2_CID_USER_CCS_BASE + 6)
+#define V4L2_CID_CCS_SHADING_CORRECTION (V4L2_CID_USER_CCS_BASE + 8)
+#define V4L2_CID_CCS_LUMINANCE_CORRECTION_LEVEL (V4L2_CID_USER_CCS_BASE + 9)
+#endif
diff --git a/libc/kernel/uapi/linux/cxl_mem.h b/libc/kernel/uapi/linux/cxl_mem.h
new file mode 100644
index 0000000..851bd79
--- /dev/null
+++ b/libc/kernel/uapi/linux/cxl_mem.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI_CXL_MEM_H_
+#define _UAPI_CXL_MEM_H_
+#include <linux/types.h>
+#define CXL_MEM_QUERY_COMMANDS _IOR(0xCE, 1, struct cxl_mem_query_commands)
+#define CXL_MEM_SEND_COMMAND _IOWR(0xCE, 2, struct cxl_send_command)
+#define CXL_CMDS ___C(INVALID, "Invalid Command"), ___C(IDENTIFY, "Identify Command"), ___C(RAW, "Raw device command"), ___C(GET_SUPPORTED_LOGS, "Get Supported Logs"), ___C(GET_FW_INFO, "Get FW Info"), ___C(GET_PARTITION_INFO, "Get Partition Information"), ___C(GET_LSA, "Get Label Storage Area"), ___C(GET_HEALTH_INFO, "Get Health Info"), ___C(GET_LOG, "Get Log"), ___C(MAX, "invalid / last command")
+#define ___C(a,b) CXL_MEM_COMMAND_ID_ ##a
+enum {
+  CXL_CMDS
+};
+#undef ___C
+#define ___C(a,b) { b }
+static const struct {
+  const char * name;
+} cxl_command_names[] = {
+  CXL_CMDS
+};
+#undef ___C
+struct cxl_command_info {
+  __u32 id;
+  __u32 flags;
+#define CXL_MEM_COMMAND_FLAG_MASK GENMASK(0, 0)
+  __s32 size_in;
+  __s32 size_out;
+};
+struct cxl_mem_query_commands {
+  __u32 n_commands;
+  __u32 rsvd;
+  struct cxl_command_info __user commands[];
+};
+struct cxl_send_command {
+  __u32 id;
+  __u32 flags;
+  union {
+    struct {
+      __u16 opcode;
+      __u16 rsvd;
+    } raw;
+    __u32 rsvd;
+  };
+  __u32 retval;
+  struct {
+    __s32 size;
+    __u32 rsvd;
+    __u64 payload;
+  } in;
+  struct {
+    __s32 size;
+    __u32 rsvd;
+    __u64 payload;
+  } out;
+};
+#endif
diff --git a/libc/kernel/uapi/linux/devlink.h b/libc/kernel/uapi/linux/devlink.h
index 306557a..e6e006f 100644
--- a/libc/kernel/uapi/linux/devlink.h
+++ b/libc/kernel/uapi/linux/devlink.h
@@ -139,6 +139,7 @@
   DEVLINK_PORT_FLAVOUR_PCI_VF,
   DEVLINK_PORT_FLAVOUR_VIRTUAL,
   DEVLINK_PORT_FLAVOUR_UNUSED,
+  DEVLINK_PORT_FLAVOUR_PCI_SF,
 };
 enum devlink_param_cmode {
   DEVLINK_PARAM_CMODE_RUNTIME,
@@ -368,6 +369,7 @@
   DEVLINK_ATTR_REMOTE_RELOAD_STATS,
   DEVLINK_ATTR_RELOAD_ACTION_INFO,
   DEVLINK_ATTR_RELOAD_ACTION_STATS,
+  DEVLINK_ATTR_PORT_PCI_SF_NUMBER,
   __DEVLINK_ATTR_MAX,
   DEVLINK_ATTR_MAX = __DEVLINK_ATTR_MAX - 1
 };
@@ -401,7 +403,17 @@
 enum devlink_port_function_attr {
   DEVLINK_PORT_FUNCTION_ATTR_UNSPEC,
   DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR,
+  DEVLINK_PORT_FN_ATTR_STATE,
+  DEVLINK_PORT_FN_ATTR_OPSTATE,
   __DEVLINK_PORT_FUNCTION_ATTR_MAX,
   DEVLINK_PORT_FUNCTION_ATTR_MAX = __DEVLINK_PORT_FUNCTION_ATTR_MAX - 1
 };
+enum devlink_port_fn_state {
+  DEVLINK_PORT_FN_STATE_INACTIVE,
+  DEVLINK_PORT_FN_STATE_ACTIVE,
+};
+enum devlink_port_fn_opstate {
+  DEVLINK_PORT_FN_OPSTATE_DETACHED,
+  DEVLINK_PORT_FN_OPSTATE_ATTACHED,
+};
 #endif
diff --git a/libc/kernel/uapi/linux/dm-ioctl.h b/libc/kernel/uapi/linux/dm-ioctl.h
index bfa4cd3..4c0a9f0 100644
--- a/libc/kernel/uapi/linux/dm-ioctl.h
+++ b/libc/kernel/uapi/linux/dm-ioctl.h
@@ -104,9 +104,9 @@
 #define DM_TARGET_MSG _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, struct dm_ioctl)
 #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
 #define DM_VERSION_MAJOR 4
-#define DM_VERSION_MINOR 43
+#define DM_VERSION_MINOR 44
 #define DM_VERSION_PATCHLEVEL 0
-#define DM_VERSION_EXTRA "-ioctl(2020-10-01)"
+#define DM_VERSION_EXTRA "-ioctl(2021-02-01)"
 #define DM_READONLY_FLAG (1 << 0)
 #define DM_SUSPEND_FLAG (1 << 1)
 #define DM_PERSISTENT_DEV_FLAG (1 << 3)
diff --git a/libc/kernel/uapi/linux/ethtool_netlink.h b/libc/kernel/uapi/linux/ethtool_netlink.h
index 95761dd..67091a1 100644
--- a/libc/kernel/uapi/linux/ethtool_netlink.h
+++ b/libc/kernel/uapi/linux/ethtool_netlink.h
@@ -178,6 +178,7 @@
   ETHTOOL_A_LINKMODES_DUPLEX,
   ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG,
   ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE,
+  ETHTOOL_A_LINKMODES_LANES,
   __ETHTOOL_A_LINKMODES_CNT,
   ETHTOOL_A_LINKMODES_MAX = __ETHTOOL_A_LINKMODES_CNT - 1
 };
diff --git a/libc/kernel/uapi/linux/fsl_mc.h b/libc/kernel/uapi/linux/fsl_mc.h
new file mode 100644
index 0000000..721da93
--- /dev/null
+++ b/libc/kernel/uapi/linux/fsl_mc.h
@@ -0,0 +1,30 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI_FSL_MC_H_
+#define _UAPI_FSL_MC_H_
+#include <linux/types.h>
+#define MC_CMD_NUM_OF_PARAMS 7
+struct fsl_mc_command {
+  __le64 header;
+  __le64 params[MC_CMD_NUM_OF_PARAMS];
+};
+#define FSL_MC_SEND_CMD_IOCTL_TYPE 'R'
+#define FSL_MC_SEND_CMD_IOCTL_SEQ 0xE0
+#define FSL_MC_SEND_MC_COMMAND _IOWR(FSL_MC_SEND_CMD_IOCTL_TYPE, FSL_MC_SEND_CMD_IOCTL_SEQ, struct fsl_mc_command)
+#endif
diff --git a/libc/kernel/uapi/linux/fsverity.h b/libc/kernel/uapi/linux/fsverity.h
index da8b99d..ff1603c 100644
--- a/libc/kernel/uapi/linux/fsverity.h
+++ b/libc/kernel/uapi/linux/fsverity.h
@@ -55,6 +55,17 @@
   __le16 digest_size;
   __u8 digest[];
 };
+#define FS_VERITY_METADATA_TYPE_MERKLE_TREE 1
+#define FS_VERITY_METADATA_TYPE_DESCRIPTOR 2
+#define FS_VERITY_METADATA_TYPE_SIGNATURE 3
+struct fsverity_read_metadata_arg {
+  __u64 metadata_type;
+  __u64 offset;
+  __u64 length;
+  __u64 buf_ptr;
+  __u64 __reserved;
+};
 #define FS_IOC_ENABLE_VERITY _IOW('f', 133, struct fsverity_enable_arg)
 #define FS_IOC_MEASURE_VERITY _IOWR('f', 134, struct fsverity_digest)
+#define FS_IOC_READ_VERITY_METADATA _IOWR('f', 135, struct fsverity_read_metadata_arg)
 #endif
diff --git a/libc/kernel/uapi/linux/gfs2_ondisk.h b/libc/kernel/uapi/linux/gfs2_ondisk.h
index a8fb59e..1ce4278 100644
--- a/libc/kernel/uapi/linux/gfs2_ondisk.h
+++ b/libc/kernel/uapi/linux/gfs2_ondisk.h
@@ -45,7 +45,7 @@
 #define GFS2_FORMAT_RI 1100
 #define GFS2_FORMAT_DE 1200
 #define GFS2_FORMAT_QU 1500
-#define GFS2_FORMAT_FS 1801
+#define GFS2_FORMAT_FS 1802
 #define GFS2_FORMAT_MULTI 1900
 struct gfs2_inum {
   __be64 no_formal_ino;
@@ -260,7 +260,8 @@
 #define GFS2_EATYPE_USR 1
 #define GFS2_EATYPE_SYS 2
 #define GFS2_EATYPE_SECURITY 3
-#define GFS2_EATYPE_LAST 3
+#define GFS2_EATYPE_TRUSTED 4
+#define GFS2_EATYPE_LAST 4
 #define GFS2_EATYPE_VALID(x) ((x) <= GFS2_EATYPE_LAST)
 #define GFS2_EAFLAG_LAST 0x01
 struct gfs2_ea_header {
diff --git a/libc/kernel/uapi/linux/i2c.h b/libc/kernel/uapi/linux/i2c.h
index dc1e96a..fe578e8 100644
--- a/libc/kernel/uapi/linux/i2c.h
+++ b/libc/kernel/uapi/linux/i2c.h
@@ -60,6 +60,7 @@
 #define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | I2C_FUNC_SMBUS_I2C_BLOCK | I2C_FUNC_SMBUS_PEC)
+#define I2C_FUNC_SMBUS_EMUL_ALL (I2C_FUNC_SMBUS_EMUL | I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_BLOCK_PROC_CALL)
 #define I2C_SMBUS_BLOCK_MAX 32
 union i2c_smbus_data {
   __u8 byte;
diff --git a/libc/kernel/uapi/linux/idxd.h b/libc/kernel/uapi/linux/idxd.h
index 8724149..4f1282e 100644
--- a/libc/kernel/uapi/linux/idxd.h
+++ b/libc/kernel/uapi/linux/idxd.h
@@ -231,8 +231,8 @@
       uint32_t invalid_flags : 24;
       uint32_t rsvd2 : 8;
     };
-    uint16_t delta_rec_size;
-    uint16_t crc_val;
+    uint32_t delta_rec_size;
+    uint32_t crc_val;
     struct {
       uint32_t dif_chk_ref_tag;
       uint16_t dif_chk_app_tag_mask;
diff --git a/libc/kernel/uapi/linux/if_bonding.h b/libc/kernel/uapi/linux/if_bonding.h
index 0079f30..60abfde 100644
--- a/libc/kernel/uapi/linux/if_bonding.h
+++ b/libc/kernel/uapi/linux/if_bonding.h
@@ -50,6 +50,7 @@
 #define BOND_XMIT_POLICY_LAYER23 2
 #define BOND_XMIT_POLICY_ENCAP23 3
 #define BOND_XMIT_POLICY_ENCAP34 4
+#define BOND_XMIT_POLICY_VLAN_SRCMAC 5
 #define LACP_STATE_LACP_ACTIVITY 0x1
 #define LACP_STATE_LACP_TIMEOUT 0x2
 #define LACP_STATE_AGGREGATION 0x4
diff --git a/libc/kernel/uapi/linux/if_link.h b/libc/kernel/uapi/linux/if_link.h
index 3db8a4f..2a5ba5a 100644
--- a/libc/kernel/uapi/linux/if_link.h
+++ b/libc/kernel/uapi/linux/if_link.h
@@ -282,6 +282,8 @@
   IFLA_BRPORT_BACKUP_PORT,
   IFLA_BRPORT_MRP_RING_OPEN,
   IFLA_BRPORT_MRP_IN_OPEN,
+  IFLA_BRPORT_MCAST_EHT_HOSTS_LIMIT,
+  IFLA_BRPORT_MCAST_EHT_HOSTS_CNT,
   __IFLA_BRPORT_MAX
 };
 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
diff --git a/libc/kernel/uapi/linux/incrementalfs.h b/libc/kernel/uapi/linux/incrementalfs.h
index 65d825c..622a998 100644
--- a/libc/kernel/uapi/linux/incrementalfs.h
+++ b/libc/kernel/uapi/linux/incrementalfs.h
@@ -23,7 +23,7 @@
 #include <linux/types.h>
 #include <linux/xattr.h>
 #define INCFS_NAME "incremental-fs"
-#define INCFS_MAGIC_NUMBER (unsigned long) (0x5346434e49ul)
+#define INCFS_MAGIC_NUMBER (0x5346434e49ul & ULONG_MAX)
 #define INCFS_DATA_FILE_BLOCK_SIZE 4096
 #define INCFS_HEADER_VER 1
 #define INCFS_MAX_HASH_SIZE 32
@@ -50,6 +50,7 @@
 #define INCFS_IOC_GET_BLOCK_COUNT _IOR(INCFS_IOCTL_BASE_CODE, 36, struct incfs_get_block_count_args)
 #define INCFS_IOC_GET_READ_TIMEOUTS _IOR(INCFS_IOCTL_BASE_CODE, 37, struct incfs_get_read_timeouts_args)
 #define INCFS_IOC_SET_READ_TIMEOUTS _IOW(INCFS_IOCTL_BASE_CODE, 38, struct incfs_set_read_timeouts_args)
+#define INCFS_IOC_GET_LAST_READ_ERROR _IOW(INCFS_IOCTL_BASE_CODE, 39, struct incfs_get_last_read_error_args)
 #define INCFS_FEATURE_FLAG_COREFS "corefs"
 #define INCFS_FEATURE_FLAG_ZSTD "zstd"
 #define INCFS_FEATURE_FLAG_V2 "v2"
@@ -165,4 +166,11 @@
   __aligned_u64 timeouts_array;
   __u32 timeouts_array_size;
 };
+struct incfs_get_last_read_error_args {
+  incfs_uuid_t file_id_out;
+  __u64 time_us_out;
+  __u32 page_out;
+  __u32 errno_out;
+  __u64 reserved;
+};
 #endif
diff --git a/libc/kernel/uapi/linux/io_uring.h b/libc/kernel/uapi/linux/io_uring.h
index ea9fcdb..fa59d39 100644
--- a/libc/kernel/uapi/linux/io_uring.h
+++ b/libc/kernel/uapi/linux/io_uring.h
@@ -191,6 +191,7 @@
 #define IORING_FEAT_POLL_32BITS (1U << 6)
 #define IORING_FEAT_SQPOLL_NONFIXED (1U << 7)
 #define IORING_FEAT_EXT_ARG (1U << 8)
+#define IORING_FEAT_NATIVE_WORKERS (1U << 9)
 enum {
   IORING_REGISTER_BUFFERS = 0,
   IORING_UNREGISTER_BUFFERS = 1,
@@ -212,6 +213,12 @@
   __u32 resv;
   __aligned_u64 fds;
 };
+struct io_uring_rsrc_update {
+  __u32 offset;
+  __u32 resv;
+  __aligned_u64 data;
+};
+#define IORING_REGISTER_FILES_SKIP (- 2)
 #define IO_URING_OP_SUPPORTED (1U << 0)
 struct io_uring_probe_op {
   __u8 op;
diff --git a/libc/kernel/uapi/linux/ipv6.h b/libc/kernel/uapi/linux/ipv6.h
index 7cd6cb0..438cacc 100644
--- a/libc/kernel/uapi/linux/ipv6.h
+++ b/libc/kernel/uapi/linux/ipv6.h
@@ -143,6 +143,7 @@
   DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN,
   DEVCONF_NDISC_TCLASS,
   DEVCONF_RPL_SEG_ENABLED,
+  DEVCONF_RA_DEFRTR_METRIC,
   DEVCONF_MAX
 };
 #endif
diff --git a/libc/kernel/uapi/linux/kvm.h b/libc/kernel/uapi/linux/kvm.h
index 1153458..81fa779 100644
--- a/libc/kernel/uapi/linux/kvm.h
+++ b/libc/kernel/uapi/linux/kvm.h
@@ -164,6 +164,19 @@
     } syndbg;
   } u;
 };
+struct kvm_xen_exit {
+#define KVM_EXIT_XEN_HCALL 1
+  __u32 type;
+  union {
+    struct {
+      __u32 longmode;
+      __u32 cpl;
+      __u64 input;
+      __u64 result;
+      __u64 params[6];
+    } hcall;
+  } u;
+};
 #define KVM_S390_GET_SKEYS_NONE 1
 #define KVM_S390_SKEYS_MAX 1048576
 #define KVM_EXIT_UNKNOWN 0
@@ -199,6 +212,8 @@
 #define KVM_EXIT_X86_WRMSR 30
 #define KVM_EXIT_DIRTY_RING_FULL 31
 #define KVM_EXIT_AP_RESET_HOLD 32
+#define KVM_EXIT_X86_BUS_LOCK 33
+#define KVM_EXIT_XEN 34
 #define KVM_INTERNAL_ERROR_EMULATION 1
 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
@@ -336,6 +351,7 @@
       __u32 index;
       __u64 data;
     } msr;
+    struct kvm_xen_exit xen;
     char padding[256];
   };
 #define SYNC_REGS_SIZE_BYTES 2048
@@ -836,6 +852,8 @@
 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
 #define KVM_CAP_SYS_HYPERV_CPUID 191
 #define KVM_CAP_DIRTY_LOG_RING 192
+#define KVM_CAP_X86_BUS_LOCK_EXIT 193
+#define KVM_CAP_PPC_DAWR1 194
 #ifdef KVM_CAP_IRQ_ROUTING
 struct kvm_irq_routing_irqchip {
   __u32 irqchip;
@@ -896,6 +914,10 @@
 };
 #endif
 #ifdef KVM_CAP_XEN_HVM
+#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
+#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
+#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
+#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
 struct kvm_xen_hvm_config {
   __u32 flags;
   __u32 msr;
@@ -1189,6 +1211,47 @@
 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
+#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
+#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
+struct kvm_xen_hvm_attr {
+  __u16 type;
+  __u16 pad[3];
+  union {
+    __u8 long_mode;
+    __u8 vector;
+    struct {
+      __u64 gfn;
+    } shared_info;
+    __u64 pad[8];
+  } u;
+};
+#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
+#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
+#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
+#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
+#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
+struct kvm_xen_vcpu_attr {
+  __u16 type;
+  __u16 pad[3];
+  union {
+    __u64 gpa;
+    __u64 pad[8];
+    struct {
+      __u64 state;
+      __u64 state_entry_time;
+      __u64 time_running;
+      __u64 time_runnable;
+      __u64 time_blocked;
+      __u64 time_offline;
+    } runstate;
+  } u;
+};
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
+#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
+#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
 enum sev_cmd_id {
   KVM_SEV_INIT = 0,
   KVM_SEV_ES_INIT,
@@ -1210,6 +1273,7 @@
   KVM_SEV_DBG_DECRYPT,
   KVM_SEV_DBG_ENCRYPT,
   KVM_SEV_CERT_EXPORT,
+  KVM_SEV_GET_ATTESTATION_REPORT,
   KVM_SEV_NR_MAX,
 };
 struct kvm_sev_cmd {
@@ -1252,6 +1316,11 @@
   __u64 dst_uaddr;
   __u32 len;
 };
+struct kvm_sev_attestation_report {
+  __u8 mnonce[16];
+  __u64 uaddr;
+  __u32 len;
+};
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
@@ -1320,4 +1389,6 @@
   __u32 slot;
   __u64 offset;
 };
+#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
+#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
 #endif
diff --git a/libc/kernel/uapi/linux/l2tp.h b/libc/kernel/uapi/linux/l2tp.h
index c65f7a9..a054819 100644
--- a/libc/kernel/uapi/linux/l2tp.h
+++ b/libc/kernel/uapi/linux/l2tp.h
@@ -104,6 +104,7 @@
   L2TP_ATTR_RX_ERRORS,
   L2TP_ATTR_STATS_PAD,
   L2TP_ATTR_RX_COOKIE_DISCARDS,
+  L2TP_ATTR_RX_INVALID,
   __L2TP_ATTR_STATS_MAX,
 };
 #define L2TP_ATTR_STATS_MAX (__L2TP_ATTR_STATS_MAX - 1)
diff --git a/libc/kernel/uapi/linux/media.h b/libc/kernel/uapi/linux/media.h
index fe29568..5c8efcd 100644
--- a/libc/kernel/uapi/linux/media.h
+++ b/libc/kernel/uapi/linux/media.h
@@ -61,6 +61,7 @@
 #define MEDIA_ENT_F_PROC_VIDEO_STATISTICS (MEDIA_ENT_F_BASE + 0x4006)
 #define MEDIA_ENT_F_PROC_VIDEO_ENCODER (MEDIA_ENT_F_BASE + 0x4007)
 #define MEDIA_ENT_F_PROC_VIDEO_DECODER (MEDIA_ENT_F_BASE + 0x4008)
+#define MEDIA_ENT_F_PROC_VIDEO_ISP (MEDIA_ENT_F_BASE + 0x4009)
 #define MEDIA_ENT_F_VID_MUX (MEDIA_ENT_F_BASE + 0x5001)
 #define MEDIA_ENT_F_VID_IF_BRIDGE (MEDIA_ENT_F_BASE + 0x5002)
 #define MEDIA_ENT_F_ATV_DECODER (MEDIA_ENT_F_OLD_SUBDEV_BASE + 4)
diff --git a/libc/kernel/uapi/linux/mempolicy.h b/libc/kernel/uapi/linux/mempolicy.h
index 6f721f6..5425c0e 100644
--- a/libc/kernel/uapi/linux/mempolicy.h
+++ b/libc/kernel/uapi/linux/mempolicy.h
@@ -29,7 +29,8 @@
 };
 #define MPOL_F_STATIC_NODES (1 << 15)
 #define MPOL_F_RELATIVE_NODES (1 << 14)
-#define MPOL_MODE_FLAGS (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES)
+#define MPOL_F_NUMA_BALANCING (1 << 13)
+#define MPOL_MODE_FLAGS (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES | MPOL_F_NUMA_BALANCING)
 #define MPOL_F_NODE (1 << 0)
 #define MPOL_F_ADDR (1 << 1)
 #define MPOL_F_MEMS_ALLOWED (1 << 2)
diff --git a/libc/kernel/uapi/linux/misc/bcm_vk.h b/libc/kernel/uapi/linux/misc/bcm_vk.h
new file mode 100644
index 0000000..b1b966d
--- /dev/null
+++ b/libc/kernel/uapi/linux/misc/bcm_vk.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __UAPI_LINUX_MISC_BCM_VK_H
+#define __UAPI_LINUX_MISC_BCM_VK_H
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#define BCM_VK_MAX_FILENAME 64
+struct vk_image {
+  __u32 type;
+#define VK_IMAGE_TYPE_BOOT1 1
+#define VK_IMAGE_TYPE_BOOT2 2
+  __u8 filename[BCM_VK_MAX_FILENAME];
+};
+struct vk_reset {
+  __u32 arg1;
+  __u32 arg2;
+};
+#define VK_MAGIC 0x5e
+#define VK_IOCTL_LOAD_IMAGE _IOW(VK_MAGIC, 0x2, struct vk_image)
+#define VK_IOCTL_RESET _IOW(VK_MAGIC, 0x4, struct vk_reset)
+#define VK_BAR_FWSTS 0x41c
+#define VK_BAR_COP_FWSTS 0x428
+#define VK_FWSTS_RELOCATION_ENTRY (1UL << 0)
+#define VK_FWSTS_RELOCATION_EXIT (1UL << 1)
+#define VK_FWSTS_INIT_START (1UL << 2)
+#define VK_FWSTS_ARCH_INIT_DONE (1UL << 3)
+#define VK_FWSTS_PRE_KNL1_INIT_DONE (1UL << 4)
+#define VK_FWSTS_PRE_KNL2_INIT_DONE (1UL << 5)
+#define VK_FWSTS_POST_KNL_INIT_DONE (1UL << 6)
+#define VK_FWSTS_INIT_DONE (1UL << 7)
+#define VK_FWSTS_APP_INIT_START (1UL << 8)
+#define VK_FWSTS_APP_INIT_DONE (1UL << 9)
+#define VK_FWSTS_MASK 0xffffffff
+#define VK_FWSTS_READY (VK_FWSTS_INIT_START | VK_FWSTS_ARCH_INIT_DONE | VK_FWSTS_PRE_KNL1_INIT_DONE | VK_FWSTS_PRE_KNL2_INIT_DONE | VK_FWSTS_POST_KNL_INIT_DONE | VK_FWSTS_INIT_DONE | VK_FWSTS_APP_INIT_START | VK_FWSTS_APP_INIT_DONE)
+#define VK_FWSTS_APP_DEINIT_START (1UL << 23)
+#define VK_FWSTS_APP_DEINIT_DONE (1UL << 24)
+#define VK_FWSTS_DRV_DEINIT_START (1UL << 25)
+#define VK_FWSTS_DRV_DEINIT_DONE (1UL << 26)
+#define VK_FWSTS_RESET_DONE (1UL << 27)
+#define VK_FWSTS_DEINIT_TRIGGERED (VK_FWSTS_APP_DEINIT_START | VK_FWSTS_APP_DEINIT_DONE | VK_FWSTS_DRV_DEINIT_START | VK_FWSTS_DRV_DEINIT_DONE)
+#define VK_FWSTS_RESET_REASON_SHIFT 28
+#define VK_FWSTS_RESET_REASON_MASK (0xf << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_SYS_PWRUP (0x0 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_MBOX_DB (0x1 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_M7_WDOG (0x2 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_TEMP (0x3 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_FLR (0x4 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_HOT (0x5 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_WARM (0x6 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_COLD (0x7 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_L1 (0x8 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_L0 (0x9 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_UNKNOWN (0xf << VK_FWSTS_RESET_REASON_SHIFT)
+#endif
diff --git a/libc/kernel/uapi/linux/mount.h b/libc/kernel/uapi/linux/mount.h
index 99c2d98..5a112c9 100644
--- a/libc/kernel/uapi/linux/mount.h
+++ b/libc/kernel/uapi/linux/mount.h
@@ -18,6 +18,7 @@
  ****************************************************************************/
 #ifndef _UAPI_LINUX_MOUNT_H
 #define _UAPI_LINUX_MOUNT_H
+#include <linux/types.h>
 #define MS_RDONLY 1
 #define MS_NOSUID 2
 #define MS_NODEV 4
@@ -87,4 +88,12 @@
 #define MOUNT_ATTR_NOATIME 0x00000010
 #define MOUNT_ATTR_STRICTATIME 0x00000020
 #define MOUNT_ATTR_NODIRATIME 0x00000080
+#define MOUNT_ATTR_IDMAP 0x00100000
+struct mount_attr {
+  __u64 attr_set;
+  __u64 attr_clr;
+  __u64 propagation;
+  __u64 userns_fd;
+};
+#define MOUNT_ATTR_SIZE_VER0 32
 #endif
diff --git a/libc/kernel/uapi/linux/mptcp.h b/libc/kernel/uapi/linux/mptcp.h
index deaa1bf..b15adf5 100644
--- a/libc/kernel/uapi/linux/mptcp.h
+++ b/libc/kernel/uapi/linux/mptcp.h
@@ -47,6 +47,7 @@
 #define MPTCP_SUBFLOW_ATTR_MAX (__MPTCP_SUBFLOW_ATTR_MAX - 1)
 #define MPTCP_PM_NAME "mptcp_pm"
 #define MPTCP_PM_CMD_GRP_NAME "mptcp_pm_cmds"
+#define MPTCP_PM_EV_GRP_NAME "mptcp_pm_events"
 #define MPTCP_PM_VER 0x1
 enum {
   MPTCP_PM_ATTR_UNSPEC,
@@ -79,6 +80,7 @@
   MPTCP_PM_CMD_FLUSH_ADDRS,
   MPTCP_PM_CMD_SET_LIMITS,
   MPTCP_PM_CMD_GET_LIMITS,
+  MPTCP_PM_CMD_SET_FLAGS,
   __MPTCP_PM_CMD_AFTER_LAST
 };
 #define MPTCP_INFO_FLAG_FALLBACK _BITUL(0)
@@ -95,5 +97,38 @@
   __u64 mptcpi_write_seq;
   __u64 mptcpi_snd_una;
   __u64 mptcpi_rcv_nxt;
+  __u8 mptcpi_local_addr_used;
+  __u8 mptcpi_local_addr_max;
 };
+enum mptcp_event_type {
+  MPTCP_EVENT_UNSPEC = 0,
+  MPTCP_EVENT_CREATED = 1,
+  MPTCP_EVENT_ESTABLISHED = 2,
+  MPTCP_EVENT_CLOSED = 3,
+  MPTCP_EVENT_ANNOUNCED = 6,
+  MPTCP_EVENT_REMOVED = 7,
+  MPTCP_EVENT_SUB_ESTABLISHED = 10,
+  MPTCP_EVENT_SUB_CLOSED = 11,
+  MPTCP_EVENT_SUB_PRIORITY = 13,
+};
+enum mptcp_event_attr {
+  MPTCP_ATTR_UNSPEC = 0,
+  MPTCP_ATTR_TOKEN,
+  MPTCP_ATTR_FAMILY,
+  MPTCP_ATTR_LOC_ID,
+  MPTCP_ATTR_REM_ID,
+  MPTCP_ATTR_SADDR4,
+  MPTCP_ATTR_SADDR6,
+  MPTCP_ATTR_DADDR4,
+  MPTCP_ATTR_DADDR6,
+  MPTCP_ATTR_SPORT,
+  MPTCP_ATTR_DPORT,
+  MPTCP_ATTR_BACKUP,
+  MPTCP_ATTR_ERROR,
+  MPTCP_ATTR_FLAGS,
+  MPTCP_ATTR_TIMEOUT,
+  MPTCP_ATTR_IF_IDX,
+  __MPTCP_ATTR_AFTER_LAST
+};
+#define MPTCP_ATTR_MAX (__MPTCP_ATTR_AFTER_LAST - 1)
 #endif
diff --git a/libc/kernel/uapi/linux/netfilter/nf_tables.h b/libc/kernel/uapi/linux/netfilter/nf_tables.h
index b35dd65..0023a94 100644
--- a/libc/kernel/uapi/linux/netfilter/nf_tables.h
+++ b/libc/kernel/uapi/linux/netfilter/nf_tables.h
@@ -105,7 +105,9 @@
 #define NFTA_HOOK_MAX (__NFTA_HOOK_MAX - 1)
 enum nft_table_flags {
   NFT_TABLE_F_DORMANT = 0x1,
+  NFT_TABLE_F_OWNER = 0x2,
 };
+#define NFT_TABLE_F_MASK (NFT_TABLE_F_DORMANT | NFT_TABLE_F_OWNER)
 enum nft_table_attributes {
   NFTA_TABLE_UNSPEC,
   NFTA_TABLE_NAME,
@@ -114,6 +116,7 @@
   NFTA_TABLE_HANDLE,
   NFTA_TABLE_PAD,
   NFTA_TABLE_USERDATA,
+  NFTA_TABLE_OWNER,
   __NFTA_TABLE_MAX
 };
 #define NFTA_TABLE_MAX (__NFTA_TABLE_MAX - 1)
diff --git a/libc/kernel/uapi/linux/netfilter/nfnetlink_cthelper.h b/libc/kernel/uapi/linux/netfilter/nfnetlink_cthelper.h
index 0a8cd45..e8c2825 100644
--- a/libc/kernel/uapi/linux/netfilter/nfnetlink_cthelper.h
+++ b/libc/kernel/uapi/linux/netfilter/nfnetlink_cthelper.h
@@ -20,7 +20,7 @@
 #define _NFNL_CTHELPER_H_
 #define NFCT_HELPER_STATUS_DISABLED 0
 #define NFCT_HELPER_STATUS_ENABLED 1
-enum nfnl_acct_msg_types {
+enum nfnl_cthelper_msg_types {
   NFNL_MSG_CTHELPER_NEW,
   NFNL_MSG_CTHELPER_GET,
   NFNL_MSG_CTHELPER_DEL,
diff --git a/libc/kernel/uapi/linux/netfilter/xt_IDLETIMER.h b/libc/kernel/uapi/linux/netfilter/xt_IDLETIMER.h
index a59ae09..f4defb6 100644
--- a/libc/kernel/uapi/linux/netfilter/xt_IDLETIMER.h
+++ b/libc/kernel/uapi/linux/netfilter/xt_IDLETIMER.h
@@ -21,13 +21,9 @@
 #include <linux/types.h>
 #define MAX_IDLETIMER_LABEL_SIZE 28
 #define XT_IDLETIMER_ALARM 0x01
-#define NLMSG_MAX_SIZE 64
-#define NL_EVENT_TYPE_INACTIVE 0
-#define NL_EVENT_TYPE_ACTIVE 1
 struct idletimer_tg_info {
   __u32 timeout;
   char label[MAX_IDLETIMER_LABEL_SIZE];
-  __u8 send_nl_msg;
   struct idletimer_tg * timer __attribute__((aligned(8)));
 };
 struct idletimer_tg_info_v1 {
diff --git a/libc/kernel/uapi/linux/nfs3.h b/libc/kernel/uapi/linux/nfs3.h
index 3972d0b..af0d668 100644
--- a/libc/kernel/uapi/linux/nfs3.h
+++ b/libc/kernel/uapi/linux/nfs3.h
@@ -67,6 +67,11 @@
   NF3FIFO = 7,
   NF3BAD = 8
 };
+enum nfs3_time_how {
+  DONT_CHANGE = 0,
+  SET_TO_SERVER_TIME = 1,
+  SET_TO_CLIENT_TIME = 2,
+};
 struct nfs3_fh {
   unsigned short size;
   unsigned char data[NFS3_FHSIZE];
diff --git a/libc/kernel/uapi/linux/nl80211.h b/libc/kernel/uapi/linux/nl80211.h
index 0632ff2..5181160 100644
--- a/libc/kernel/uapi/linux/nl80211.h
+++ b/libc/kernel/uapi/linux/nl80211.h
@@ -495,6 +495,7 @@
   NL80211_ATTR_SAE_PWE,
   NL80211_ATTR_RECONNECT_REQUESTED,
   NL80211_ATTR_SAR_SPEC,
+  NL80211_ATTR_DISABLE_HE,
   __NL80211_ATTR_AFTER_LAST,
   NUM_NL80211_ATTR = __NL80211_ATTR_AFTER_LAST,
   NL80211_ATTR_MAX = __NL80211_ATTR_AFTER_LAST - 1
diff --git a/libc/kernel/uapi/linux/openat2.h b/libc/kernel/uapi/linux/openat2.h
index 27136af..d397a00 100644
--- a/libc/kernel/uapi/linux/openat2.h
+++ b/libc/kernel/uapi/linux/openat2.h
@@ -29,4 +29,5 @@
 #define RESOLVE_NO_SYMLINKS 0x04
 #define RESOLVE_BENEATH 0x08
 #define RESOLVE_IN_ROOT 0x10
+#define RESOLVE_CACHED 0x20
 #endif
diff --git a/libc/kernel/uapi/linux/perf_event.h b/libc/kernel/uapi/linux/perf_event.h
index be32b51..b09c5d8 100644
--- a/libc/kernel/uapi/linux/perf_event.h
+++ b/libc/kernel/uapi/linux/perf_event.h
@@ -103,9 +103,11 @@
   PERF_SAMPLE_CGROUP = 1U << 21,
   PERF_SAMPLE_DATA_PAGE_SIZE = 1U << 22,
   PERF_SAMPLE_CODE_PAGE_SIZE = 1U << 23,
-  PERF_SAMPLE_MAX = 1U << 24,
+  PERF_SAMPLE_WEIGHT_STRUCT = 1U << 24,
+  PERF_SAMPLE_MAX = 1U << 25,
   __PERF_SAMPLE_CALLCHAIN_EARLY = 1ULL << 63,
 };
+#define PERF_SAMPLE_WEIGHT_TYPE (PERF_SAMPLE_WEIGHT | PERF_SAMPLE_WEIGHT_STRUCT)
 enum perf_branch_sample_type_shift {
   PERF_SAMPLE_BRANCH_USER_SHIFT = 0,
   PERF_SAMPLE_BRANCH_KERNEL_SHIFT = 1,
@@ -205,7 +207,7 @@
   };
   __u64 sample_type;
   __u64 read_format;
-  __u64 disabled : 1, inherit : 1, pinned : 1, exclusive : 1, exclude_user : 1, exclude_kernel : 1, exclude_hv : 1, exclude_idle : 1, mmap : 1, comm : 1, freq : 1, inherit_stat : 1, enable_on_exec : 1, task : 1, watermark : 1, precise_ip : 2, mmap_data : 1, sample_id_all : 1, exclude_host : 1, exclude_guest : 1, exclude_callchain_kernel : 1, exclude_callchain_user : 1, mmap2 : 1, comm_exec : 1, use_clockid : 1, context_switch : 1, write_backward : 1, namespaces : 1, ksymbol : 1, bpf_event : 1, aux_output : 1, cgroup : 1, text_poke : 1, __reserved_1 : 30;
+  __u64 disabled : 1, inherit : 1, pinned : 1, exclusive : 1, exclude_user : 1, exclude_kernel : 1, exclude_hv : 1, exclude_idle : 1, mmap : 1, comm : 1, freq : 1, inherit_stat : 1, enable_on_exec : 1, task : 1, watermark : 1, precise_ip : 2, mmap_data : 1, sample_id_all : 1, exclude_host : 1, exclude_guest : 1, exclude_callchain_kernel : 1, exclude_callchain_user : 1, mmap2 : 1, comm_exec : 1, use_clockid : 1, context_switch : 1, write_backward : 1, namespaces : 1, ksymbol : 1, bpf_event : 1, aux_output : 1, cgroup : 1, text_poke : 1, build_id : 1, __reserved_1 : 29;
   union {
     __u32 wakeup_events;
     __u32 wakeup_watermark;
@@ -301,6 +303,7 @@
 #define PERF_RECORD_MISC_SWITCH_OUT (1 << 13)
 #define PERF_RECORD_MISC_EXACT_IP (1 << 14)
 #define PERF_RECORD_MISC_SWITCH_OUT_PREEMPT (1 << 14)
+#define PERF_RECORD_MISC_MMAP_BUILD_ID (1 << 14)
 #define PERF_RECORD_MISC_EXT_RESERVED (1 << 15)
 struct perf_event_header {
   __u32 type;
@@ -380,14 +383,14 @@
 union perf_mem_data_src {
   __u64 val;
   struct {
-    __u64 mem_op : 5, mem_lvl : 14, mem_snoop : 5, mem_lock : 2, mem_dtlb : 7, mem_lvl_num : 4, mem_remote : 1, mem_snoopx : 2, mem_rsvd : 24;
+    __u64 mem_op : 5, mem_lvl : 14, mem_snoop : 5, mem_lock : 2, mem_dtlb : 7, mem_lvl_num : 4, mem_remote : 1, mem_snoopx : 2, mem_blk : 3, mem_rsvd : 21;
   };
 };
 #elif defined(__BIG_ENDIAN_BITFIELD)
 union perf_mem_data_src {
   __u64 val;
   struct {
-    __u64 mem_rsvd : 24, mem_snoopx : 2, mem_remote : 1, mem_lvl_num : 4, mem_dtlb : 7, mem_lock : 2, mem_snoop : 5, mem_lvl : 14, mem_op : 5;
+    __u64 mem_rsvd : 21, mem_blk : 3, mem_snoopx : 2, mem_remote : 1, mem_lvl_num : 4, mem_dtlb : 7, mem_lock : 2, mem_snoop : 5, mem_lvl : 14, mem_op : 5;
   };
 };
 #else
@@ -445,10 +448,32 @@
 #define PERF_MEM_TLB_WK 0x20
 #define PERF_MEM_TLB_OS 0x40
 #define PERF_MEM_TLB_SHIFT 26
+#define PERF_MEM_BLK_NA 0x01
+#define PERF_MEM_BLK_DATA 0x02
+#define PERF_MEM_BLK_ADDR 0x04
+#define PERF_MEM_BLK_SHIFT 40
 #define PERF_MEM_S(a,s) (((__u64) PERF_MEM_ ##a ##_ ##s) << PERF_MEM_ ##a ##_SHIFT)
 struct perf_branch_entry {
   __u64 from;
   __u64 to;
   __u64 mispred : 1, predicted : 1, in_tx : 1, abort : 1, cycles : 16, type : 4, reserved : 40;
 };
+union perf_sample_weight {
+  __u64 full;
+#ifdef __LITTLE_ENDIAN_BITFIELD
+  struct {
+    __u32 var1_dw;
+    __u16 var2_w;
+    __u16 var3_w;
+  };
+#elif defined(__BIG_ENDIAN_BITFIELD)
+  struct {
+    __u16 var3_w;
+    __u16 var2_w;
+    __u32 var1_dw;
+  };
+#else
+#error "Unknown endianness"
+#endif
+};
 #endif
diff --git a/libc/kernel/uapi/linux/pkt_cls.h b/libc/kernel/uapi/linux/pkt_cls.h
index 62c2274..45dca35 100644
--- a/libc/kernel/uapi/linux/pkt_cls.h
+++ b/libc/kernel/uapi/linux/pkt_cls.h
@@ -462,6 +462,9 @@
   TCA_FLOWER_KEY_CT_FLAGS_ESTABLISHED = 1 << 1,
   TCA_FLOWER_KEY_CT_FLAGS_RELATED = 1 << 2,
   TCA_FLOWER_KEY_CT_FLAGS_TRACKED = 1 << 3,
+  TCA_FLOWER_KEY_CT_FLAGS_INVALID = 1 << 4,
+  TCA_FLOWER_KEY_CT_FLAGS_REPLY = 1 << 5,
+  __TCA_FLOWER_KEY_CT_FLAGS_MAX,
 };
 enum {
   TCA_FLOWER_KEY_ENC_OPTS_UNSPEC,
diff --git a/libc/kernel/uapi/linux/pkt_sched.h b/libc/kernel/uapi/linux/pkt_sched.h
index 7c16d3c..d0541fc 100644
--- a/libc/kernel/uapi/linux/pkt_sched.h
+++ b/libc/kernel/uapi/linux/pkt_sched.h
@@ -306,6 +306,7 @@
   TCA_HTB_RATE64,
   TCA_HTB_CEIL64,
   TCA_HTB_PAD,
+  TCA_HTB_OFFLOAD,
   __TCA_HTB_MAX,
 };
 #define TCA_HTB_MAX (__TCA_HTB_MAX - 1)
diff --git a/libc/kernel/uapi/linux/psample.h b/libc/kernel/uapi/linux/psample.h
index 1f8b325..dc67445 100644
--- a/libc/kernel/uapi/linux/psample.h
+++ b/libc/kernel/uapi/linux/psample.h
@@ -26,8 +26,8 @@
   PSAMPLE_ATTR_GROUP_SEQ,
   PSAMPLE_ATTR_SAMPLE_RATE,
   PSAMPLE_ATTR_DATA,
-  PSAMPLE_ATTR_TUNNEL,
   PSAMPLE_ATTR_GROUP_REFCOUNT,
+  PSAMPLE_ATTR_TUNNEL,
   __PSAMPLE_ATTR_MAX
 };
 enum psample_command {
diff --git a/libc/kernel/uapi/linux/rfkill.h b/libc/kernel/uapi/linux/rfkill.h
index 4e72938..6020baf 100644
--- a/libc/kernel/uapi/linux/rfkill.h
+++ b/libc/kernel/uapi/linux/rfkill.h
@@ -50,9 +50,16 @@
   __u8 op;
   __u8 soft;
   __u8 hard;
+} __attribute__((packed));
+struct rfkill_event_ext {
+  __u32 idx;
+  __u8 type;
+  __u8 op;
+  __u8 soft;
+  __u8 hard;
   __u8 hard_block_reasons;
 } __attribute__((packed));
-#define RFKILL_EVENT_SIZE_V1 8
+#define RFKILL_EVENT_SIZE_V1 sizeof(struct rfkill_event)
 #define RFKILL_IOC_MAGIC 'R'
 #define RFKILL_IOC_NOINPUT 1
 #define RFKILL_IOCTL_NOINPUT _IO(RFKILL_IOC_MAGIC, RFKILL_IOC_NOINPUT)
diff --git a/libc/kernel/uapi/linux/rtc.h b/libc/kernel/uapi/linux/rtc.h
index 8e70eba..7f38483 100644
--- a/libc/kernel/uapi/linux/rtc.h
+++ b/libc/kernel/uapi/linux/rtc.h
@@ -76,5 +76,9 @@
 #define RTC_PF 0x40
 #define RTC_AF 0x20
 #define RTC_UF 0x10
+#define RTC_FEATURE_ALARM 0
+#define RTC_FEATURE_ALARM_RES_MINUTE 1
+#define RTC_FEATURE_NEED_WEEK_DAY 2
+#define RTC_FEATURE_CNT 3
 #define RTC_MAX_FREQ 8192
 #endif
diff --git a/libc/kernel/uapi/linux/rtnetlink.h b/libc/kernel/uapi/linux/rtnetlink.h
index 335a5e9..22f8f1c 100644
--- a/libc/kernel/uapi/linux/rtnetlink.h
+++ b/libc/kernel/uapi/linux/rtnetlink.h
@@ -239,6 +239,7 @@
 #define RTM_F_FIB_MATCH 0x2000
 #define RTM_F_OFFLOAD 0x4000
 #define RTM_F_TRAP 0x8000
+#define RTM_F_OFFLOAD_FAILED 0x20000000
 enum rt_class_t {
   RT_TABLE_UNSPEC = 0,
   RT_TABLE_COMPAT = 252,
diff --git a/libc/kernel/uapi/linux/serial_core.h b/libc/kernel/uapi/linux/serial_core.h
index fd75fff..0caf698 100644
--- a/libc/kernel/uapi/linux/serial_core.h
+++ b/libc/kernel/uapi/linux/serial_core.h
@@ -100,7 +100,6 @@
 #define PORT_VT8500 97
 #define PORT_XUARTPS 98
 #define PORT_AR933X 99
-#define PORT_EFMUART 100
 #define PORT_ARC 101
 #define PORT_RP2 102
 #define PORT_LPUART 103
diff --git a/libc/kernel/uapi/linux/spi/spi.h b/libc/kernel/uapi/linux/spi/spi.h
new file mode 100644
index 0000000..39267a2
--- /dev/null
+++ b/libc/kernel/uapi/linux/spi/spi.h
@@ -0,0 +1,44 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI_SPI_H
+#define _UAPI_SPI_H
+#include <linux/const.h>
+#define SPI_CPHA _BITUL(0)
+#define SPI_CPOL _BITUL(1)
+#define SPI_MODE_0 (0 | 0)
+#define SPI_MODE_1 (0 | SPI_CPHA)
+#define SPI_MODE_2 (SPI_CPOL | 0)
+#define SPI_MODE_3 (SPI_CPOL | SPI_CPHA)
+#define SPI_MODE_X_MASK (SPI_CPOL | SPI_CPHA)
+#define SPI_CS_HIGH _BITUL(2)
+#define SPI_LSB_FIRST _BITUL(3)
+#define SPI_3WIRE _BITUL(4)
+#define SPI_LOOP _BITUL(5)
+#define SPI_NO_CS _BITUL(6)
+#define SPI_READY _BITUL(7)
+#define SPI_TX_DUAL _BITUL(8)
+#define SPI_TX_QUAD _BITUL(9)
+#define SPI_RX_DUAL _BITUL(10)
+#define SPI_RX_QUAD _BITUL(11)
+#define SPI_CS_WORD _BITUL(12)
+#define SPI_TX_OCTAL _BITUL(13)
+#define SPI_RX_OCTAL _BITUL(14)
+#define SPI_3WIRE_HIZ _BITUL(15)
+#define SPI_MODE_USER_MASK (_BITUL(16) - 1)
+#endif
diff --git a/libc/kernel/uapi/linux/spi/spidev.h b/libc/kernel/uapi/linux/spi/spidev.h
index dede0f0..19d1d84 100644
--- a/libc/kernel/uapi/linux/spi/spidev.h
+++ b/libc/kernel/uapi/linux/spi/spidev.h
@@ -20,26 +20,7 @@
 #define SPIDEV_H
 #include <linux/types.h>
 #include <linux/ioctl.h>
-#define SPI_CPHA 0x01
-#define SPI_CPOL 0x02
-#define SPI_MODE_0 (0 | 0)
-#define SPI_MODE_1 (0 | SPI_CPHA)
-#define SPI_MODE_2 (SPI_CPOL | 0)
-#define SPI_MODE_3 (SPI_CPOL | SPI_CPHA)
-#define SPI_CS_HIGH 0x04
-#define SPI_LSB_FIRST 0x08
-#define SPI_3WIRE 0x10
-#define SPI_LOOP 0x20
-#define SPI_NO_CS 0x40
-#define SPI_READY 0x80
-#define SPI_TX_DUAL 0x100
-#define SPI_TX_QUAD 0x200
-#define SPI_RX_DUAL 0x400
-#define SPI_RX_QUAD 0x800
-#define SPI_CS_WORD 0x1000
-#define SPI_TX_OCTAL 0x2000
-#define SPI_RX_OCTAL 0x4000
-#define SPI_3WIRE_HIZ 0x8000
+#include <linux/spi/spi.h>
 #define SPI_IOC_MAGIC 'k'
 struct spi_ioc_transfer {
   __u64 tx_buf;
diff --git a/libc/kernel/uapi/linux/surface_aggregator/cdev.h b/libc/kernel/uapi/linux/surface_aggregator/cdev.h
new file mode 100644
index 0000000..25bfd8d
--- /dev/null
+++ b/libc/kernel/uapi/linux/surface_aggregator/cdev.h
@@ -0,0 +1,46 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI_LINUX_SURFACE_AGGREGATOR_CDEV_H
+#define _UAPI_LINUX_SURFACE_AGGREGATOR_CDEV_H
+#include <linux/ioctl.h>
+#include <linux/types.h>
+enum ssam_cdev_request_flags {
+  SSAM_CDEV_REQUEST_HAS_RESPONSE = 0x01,
+  SSAM_CDEV_REQUEST_UNSEQUENCED = 0x02,
+};
+struct ssam_cdev_request {
+  __u8 target_category;
+  __u8 target_id;
+  __u8 command_id;
+  __u8 instance_id;
+  __u16 flags;
+  __s16 status;
+  struct {
+    __u64 data;
+    __u16 length;
+    __u8 __pad[6];
+  } payload;
+  struct {
+    __u64 data;
+    __u16 length;
+    __u8 __pad[6];
+  } response;
+} __attribute__((__packed__));
+#define SSAM_CDEV_REQUEST _IOWR(0xA5, 1, struct ssam_cdev_request)
+#endif
diff --git a/libc/kernel/uapi/linux/sysctl.h b/libc/kernel/uapi/linux/sysctl.h
index 3f53f2d..ebaf8a9 100644
--- a/libc/kernel/uapi/linux/sysctl.h
+++ b/libc/kernel/uapi/linux/sysctl.h
@@ -489,6 +489,7 @@
   NET_IPV6_ACCEPT_SOURCE_ROUTE = 25,
   NET_IPV6_ACCEPT_RA_FROM_LOCAL = 26,
   NET_IPV6_ACCEPT_RA_RT_INFO_MIN_PLEN = 27,
+  NET_IPV6_RA_DEFRTR_METRIC = 28,
   __NET_IPV6_MAX
 };
 enum {
diff --git a/libc/kernel/uapi/linux/tcp.h b/libc/kernel/uapi/linux/tcp.h
index 2ca37a6..99c5bff 100644
--- a/libc/kernel/uapi/linux/tcp.h
+++ b/libc/kernel/uapi/linux/tcp.h
@@ -220,6 +220,7 @@
   TCP_NLA_TIMEOUT_REHASH,
   TCP_NLA_BYTES_NOTSENT,
   TCP_NLA_EDT,
+  TCP_NLA_TTL,
 };
 #define TCP_MD5SIG_MAXKEYLEN 80
 #define TCP_MD5SIG_FLAG_PREFIX 0x1
@@ -249,5 +250,9 @@
   __u64 copybuf_address;
   __s32 copybuf_len;
   __u32 flags;
+  __u64 msg_control;
+  __u64 msg_controllen;
+  __u32 msg_flags;
+  __u32 reserved;
 };
 #endif
diff --git a/libc/kernel/uapi/linux/termios.h b/libc/kernel/uapi/linux/termios.h
index a665735..cde4099 100644
--- a/libc/kernel/uapi/linux/termios.h
+++ b/libc/kernel/uapi/linux/termios.h
@@ -20,15 +20,4 @@
 #define _LINUX_TERMIOS_H
 #include <linux/types.h>
 #include <asm/termios.h>
-#define NFF 5
-struct termiox {
-  __u16 x_hflag;
-  __u16 x_cflag;
-  __u16 x_rflag[NFF];
-  __u16 x_sflag;
-};
-#define RTSXOFF 0x0001
-#define CTSXON 0x0002
-#define DTRXOFF 0x0004
-#define DSRXON 0x0008
 #endif
diff --git a/libc/kernel/uapi/linux/usb/ch9.h b/libc/kernel/uapi/linux/usb/ch9.h
index 43d2f4b..f1dade9 100644
--- a/libc/kernel/uapi/linux/usb/ch9.h
+++ b/libc/kernel/uapi/linux/usb/ch9.h
@@ -434,9 +434,19 @@
   __le32 bmSublinkSpeedAttr[1];
 #define USB_SSP_SUBLINK_SPEED_SSID (0xf)
 #define USB_SSP_SUBLINK_SPEED_LSE (0x3 << 4)
+#define USB_SSP_SUBLINK_SPEED_LSE_BPS 0
+#define USB_SSP_SUBLINK_SPEED_LSE_KBPS 1
+#define USB_SSP_SUBLINK_SPEED_LSE_MBPS 2
+#define USB_SSP_SUBLINK_SPEED_LSE_GBPS 3
 #define USB_SSP_SUBLINK_SPEED_ST (0x3 << 6)
+#define USB_SSP_SUBLINK_SPEED_ST_SYM_RX 0
+#define USB_SSP_SUBLINK_SPEED_ST_ASYM_RX 1
+#define USB_SSP_SUBLINK_SPEED_ST_SYM_TX 2
+#define USB_SSP_SUBLINK_SPEED_ST_ASYM_TX 3
 #define USB_SSP_SUBLINK_SPEED_RSVD (0x3f << 8)
 #define USB_SSP_SUBLINK_SPEED_LP (0x3 << 14)
+#define USB_SSP_SUBLINK_SPEED_LP_SS 0
+#define USB_SSP_SUBLINK_SPEED_LP_SSP 1
 #define USB_SSP_SUBLINK_SPEED_LSM (0xff << 16)
 } __attribute__((packed));
 #define USB_PD_POWER_DELIVERY_CAPABILITY 0x06
diff --git a/libc/kernel/uapi/linux/usb/tmc.h b/libc/kernel/uapi/linux/usb/tmc.h
index 20c061b..6d0add1 100644
--- a/libc/kernel/uapi/linux/usb/tmc.h
+++ b/libc/kernel/uapi/linux/usb/tmc.h
@@ -86,6 +86,8 @@
 #define USBTMC488_IOCTL_WAIT_SRQ _IOW(USBTMC_IOC_NR, 23, __u32)
 #define USBTMC_IOCTL_MSG_IN_ATTR _IOR(USBTMC_IOC_NR, 24, __u8)
 #define USBTMC_IOCTL_AUTO_ABORT _IOW(USBTMC_IOC_NR, 25, __u8)
+#define USBTMC_IOCTL_GET_STB _IOR(USBTMC_IOC_NR, 26, __u8)
+#define USBTMC_IOCTL_GET_SRQ_STB _IOR(USBTMC_IOC_NR, 27, __u8)
 #define USBTMC_IOCTL_CANCEL_IO _IO(USBTMC_IOC_NR, 35)
 #define USBTMC_IOCTL_CLEANUP_IO _IO(USBTMC_IOC_NR, 36)
 #define USBTMC488_CAPABILITY_TRIGGER 1
diff --git a/libc/kernel/uapi/linux/v4l2-controls.h b/libc/kernel/uapi/linux/v4l2-controls.h
index 4cb46e2..75e5ccd 100644
--- a/libc/kernel/uapi/linux/v4l2-controls.h
+++ b/libc/kernel/uapi/linux/v4l2-controls.h
@@ -113,6 +113,7 @@
 #define V4L2_CID_USER_IMX_BASE (V4L2_CID_USER_BASE + 0x10b0)
 #define V4L2_CID_USER_ATMEL_ISC_BASE (V4L2_CID_USER_BASE + 0x10c0)
 #define V4L2_CID_USER_CODA_BASE (V4L2_CID_USER_BASE + 0x10e0)
+#define V4L2_CID_USER_CCS_BASE (V4L2_CID_USER_BASE + 0x10f0)
 #define V4L2_CID_CODEC_BASE (V4L2_CTRL_CLASS_CODEC | 0x900)
 #define V4L2_CID_CODEC_CLASS (V4L2_CTRL_CLASS_CODEC | 1)
 #define V4L2_CID_MPEG_STREAM_TYPE (V4L2_CID_CODEC_BASE + 0)
@@ -316,6 +317,7 @@
 #define V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE (V4L2_CID_CODEC_BASE + 227)
 #define V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE (V4L2_CID_CODEC_BASE + 228)
 #define V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME (V4L2_CID_CODEC_BASE + 229)
+#define V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID (V4L2_CID_CODEC_BASE + 230)
 #define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL (V4L2_CID_CODEC_BASE + 270)
 enum v4l2_mpeg_video_mpeg2_level {
   V4L2_MPEG_VIDEO_MPEG2_LEVEL_LOW = 0,
@@ -474,6 +476,15 @@
 #define V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MAX_QP (V4L2_CID_CODEC_BASE + 386)
 #define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MIN_QP (V4L2_CID_CODEC_BASE + 387)
 #define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP (V4L2_CID_CODEC_BASE + 388)
+#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP (V4L2_CID_CODEC_BASE + 389)
+#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP (V4L2_CID_CODEC_BASE + 390)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR (V4L2_CID_CODEC_BASE + 391)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR (V4L2_CID_CODEC_BASE + 392)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR (V4L2_CID_CODEC_BASE + 393)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR (V4L2_CID_CODEC_BASE + 394)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR (V4L2_CID_CODEC_BASE + 395)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR (V4L2_CID_CODEC_BASE + 396)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR (V4L2_CID_CODEC_BASE + 397)
 #define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (V4L2_CID_CODEC_BASE + 400)
 #define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP (V4L2_CID_CODEC_BASE + 401)
 #define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP (V4L2_CID_CODEC_BASE + 402)
@@ -653,6 +664,12 @@
   V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_LEVEL_LIMIT = 1,
   V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT = 2,
 };
+#define V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MIN_QP (V4L2_CID_CODEC_BASE + 647)
+#define V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MAX_QP (V4L2_CID_CODEC_BASE + 648)
+#define V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MIN_QP (V4L2_CID_CODEC_BASE + 649)
+#define V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MAX_QP (V4L2_CID_CODEC_BASE + 650)
+#define V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MIN_QP (V4L2_CID_CODEC_BASE + 651)
+#define V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MAX_QP (V4L2_CID_CODEC_BASE + 652)
 #define V4L2_CID_CODEC_CX2341X_BASE (V4L2_CTRL_CLASS_CODEC | 0x1000)
 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_CODEC_CX2341X_BASE + 0)
 enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
diff --git a/libc/kernel/uapi/linux/vdpa.h b/libc/kernel/uapi/linux/vdpa.h
new file mode 100644
index 0000000..bee6618
--- /dev/null
+++ b/libc/kernel/uapi/linux/vdpa.h
@@ -0,0 +1,43 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI_LINUX_VDPA_H_
+#define _UAPI_LINUX_VDPA_H_
+#define VDPA_GENL_NAME "vdpa"
+#define VDPA_GENL_VERSION 0x1
+enum vdpa_command {
+  VDPA_CMD_UNSPEC,
+  VDPA_CMD_MGMTDEV_NEW,
+  VDPA_CMD_MGMTDEV_GET,
+  VDPA_CMD_DEV_NEW,
+  VDPA_CMD_DEV_DEL,
+  VDPA_CMD_DEV_GET,
+};
+enum vdpa_attr {
+  VDPA_ATTR_UNSPEC,
+  VDPA_ATTR_MGMTDEV_BUS_NAME,
+  VDPA_ATTR_MGMTDEV_DEV_NAME,
+  VDPA_ATTR_MGMTDEV_SUPPORTED_CLASSES,
+  VDPA_ATTR_DEV_NAME,
+  VDPA_ATTR_DEV_ID,
+  VDPA_ATTR_DEV_VENDOR_ID,
+  VDPA_ATTR_DEV_MAX_VQS,
+  VDPA_ATTR_DEV_MAX_VQ_SIZE,
+  VDPA_ATTR_MAX,
+};
+#endif
diff --git a/libc/kernel/uapi/linux/version.h b/libc/kernel/uapi/linux/version.h
index e5c1243..86c0070 100644
--- a/libc/kernel/uapi/linux/version.h
+++ b/libc/kernel/uapi/linux/version.h
@@ -16,5 +16,8 @@
  ***
  ****************************************************************************
  ****************************************************************************/
-#define LINUX_VERSION_CODE 330496
-#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#define LINUX_VERSION_CODE 330752
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + ((c) > 255 ? 255 : (c)))
+#define LINUX_VERSION_MAJOR 5
+#define LINUX_VERSION_PATCHLEVEL 12
+#define LINUX_VERSION_SUBLEVEL 0
diff --git a/libc/kernel/uapi/linux/vfio.h b/libc/kernel/uapi/linux/vfio.h
index f0f5c8f..e0f322b 100644
--- a/libc/kernel/uapi/linux/vfio.h
+++ b/libc/kernel/uapi/linux/vfio.h
@@ -29,6 +29,8 @@
 #define VFIO_TYPE1_NESTING_IOMMU 6
 #define VFIO_SPAPR_TCE_v2_IOMMU 7
 #define VFIO_NOIOMMU_IOMMU 8
+#define VFIO_UNMAP_ALL 9
+#define VFIO_UPDATE_VADDR 10
 #define VFIO_TYPE (';')
 #define VFIO_BASE 100
 struct vfio_info_cap_header {
@@ -320,6 +322,7 @@
   __u32 flags;
 #define VFIO_DMA_MAP_FLAG_READ (1 << 0)
 #define VFIO_DMA_MAP_FLAG_WRITE (1 << 1)
+#define VFIO_DMA_MAP_FLAG_VADDR (1 << 2)
   __u64 vaddr;
   __u64 iova;
   __u64 size;
@@ -334,6 +337,8 @@
   __u32 argsz;
   __u32 flags;
 #define VFIO_DMA_UNMAP_FLAG_GET_DIRTY_BITMAP (1 << 0)
+#define VFIO_DMA_UNMAP_FLAG_ALL (1 << 1)
+#define VFIO_DMA_UNMAP_FLAG_VADDR (1 << 2)
   __u64 iova;
   __u64 size;
   __u8 data[];
diff --git a/libc/kernel/uapi/misc/habanalabs.h b/libc/kernel/uapi/misc/habanalabs.h
index d8f724b..b009023 100644
--- a/libc/kernel/uapi/misc/habanalabs.h
+++ b/libc/kernel/uapi/misc/habanalabs.h
@@ -240,7 +240,9 @@
   __u32 num_of_events;
   __u32 device_id;
   __u32 module_id;
-  __u32 reserved[2];
+  __u32 reserved;
+  __u16 first_available_interrupt_id;
+  __u16 reserved2;
   __u32 cpld_version;
   __u32 psoc_pci_pll_nr;
   __u32 psoc_pci_pll_nf;
@@ -251,15 +253,18 @@
   __u8 pad[2];
   __u8 cpucp_version[HL_INFO_VERSION_MAX_LEN];
   __u8 card_name[HL_INFO_CARD_NAME_MAX_LEN];
+  __u64 reserved3;
+  __u64 dram_page_size;
 };
 struct hl_info_dram_usage {
   __u64 dram_free_mem;
   __u64 ctx_dram_mem;
 };
+#define HL_BUSY_ENGINES_MASK_EXT_SIZE 2
 struct hl_info_hw_idle {
   __u32 is_idle;
   __u32 busy_engines_mask;
-  __u64 busy_engines_mask_ext;
+  __u64 busy_engines_mask_ext[HL_BUSY_ENGINES_MASK_EXT_SIZE];
 };
 struct hl_info_device_status {
   __u32 status;
@@ -301,6 +306,8 @@
 struct hl_info_sync_manager {
   __u32 first_available_sync_object;
   __u32 first_available_monitor;
+  __u32 first_available_cq;
+  __u32 reserved;
 };
 struct hl_info_cs_counters {
   __u64 total_out_of_mem_drop_cnt;
@@ -379,12 +386,18 @@
 #define HL_CS_FLAGS_WAIT 0x4
 #define HL_CS_FLAGS_COLLECTIVE_WAIT 0x8
 #define HL_CS_FLAGS_TIMESTAMP 0x20
+#define HL_CS_FLAGS_STAGED_SUBMISSION 0x40
+#define HL_CS_FLAGS_STAGED_SUBMISSION_FIRST 0x80
+#define HL_CS_FLAGS_STAGED_SUBMISSION_LAST 0x100
 #define HL_CS_STATUS_SUCCESS 0
 #define HL_MAX_JOBS_PER_CS 512
 struct hl_cs_in {
   __u64 chunks_restore;
   __u64 chunks_execute;
-  __u64 chunks_store;
+  union {
+    __u64 chunks_store;
+    __u64 seq;
+  };
   __u32 num_chunks_restore;
   __u32 num_chunks_execute;
   __u32 num_chunks_store;
@@ -426,6 +439,7 @@
 #define HL_MEM_OP_FREE 1
 #define HL_MEM_OP_MAP 2
 #define HL_MEM_OP_UNMAP 3
+#define HL_MEM_OP_MAP_BLOCK 4
 #define HL_MEM_CONTIGUOUS 0x1
 #define HL_MEM_SHARED 0x2
 #define HL_MEM_USERPTR 0x4
@@ -447,6 +461,9 @@
       __u64 mem_size;
     } map_host;
     struct {
+      __u64 block_addr;
+    } map_block;
+    struct {
       __u64 device_virt_addr;
     } unmap;
   };
@@ -459,6 +476,11 @@
   union {
     __u64 device_virt_addr;
     __u64 handle;
+    struct {
+      __u64 block_handle;
+      __u32 block_size;
+      __u32 pad;
+    };
   };
 };
 union hl_mem_args {
diff --git a/libc/kernel/uapi/rdma/ib_user_ioctl_cmds.h b/libc/kernel/uapi/rdma/ib_user_ioctl_cmds.h
index 15af02e..f96b4e8 100644
--- a/libc/kernel/uapi/rdma/ib_user_ioctl_cmds.h
+++ b/libc/kernel/uapi/rdma/ib_user_ioctl_cmds.h
@@ -206,6 +206,7 @@
   UVERBS_METHOD_MR_DESTROY,
   UVERBS_METHOD_ADVISE_MR,
   UVERBS_METHOD_QUERY_MR,
+  UVERBS_METHOD_REG_DMABUF_MR,
 };
 enum uverbs_attrs_mr_destroy_ids {
   UVERBS_ATTR_DESTROY_MR_HANDLE,
@@ -223,6 +224,17 @@
   UVERBS_ATTR_QUERY_MR_RESP_LENGTH,
   UVERBS_ATTR_QUERY_MR_RESP_IOVA,
 };
+enum uverbs_attrs_reg_dmabuf_mr_cmd_attr_ids {
+  UVERBS_ATTR_REG_DMABUF_MR_HANDLE,
+  UVERBS_ATTR_REG_DMABUF_MR_PD_HANDLE,
+  UVERBS_ATTR_REG_DMABUF_MR_OFFSET,
+  UVERBS_ATTR_REG_DMABUF_MR_LENGTH,
+  UVERBS_ATTR_REG_DMABUF_MR_IOVA,
+  UVERBS_ATTR_REG_DMABUF_MR_FD,
+  UVERBS_ATTR_REG_DMABUF_MR_ACCESS_FLAGS,
+  UVERBS_ATTR_REG_DMABUF_MR_RESP_LKEY,
+  UVERBS_ATTR_REG_DMABUF_MR_RESP_RKEY,
+};
 enum uverbs_attrs_create_counters_cmd_attr_ids {
   UVERBS_ATTR_CREATE_COUNTERS_HANDLE,
 };
diff --git a/libc/malloc_debug/PointerData.cpp b/libc/malloc_debug/PointerData.cpp
index 4f81ff7..90c9136 100644
--- a/libc/malloc_debug/PointerData.cpp
+++ b/libc/malloc_debug/PointerData.cpp
@@ -588,8 +588,8 @@
       dprintf(fd, "  bt_info");
       for (const auto& frame : *info.backtrace_info) {
         dprintf(fd, " {");
-        if (frame.map_info != nullptr && !frame.map_info->name.empty()) {
-          dprintf(fd, "\"%s\"", frame.map_info->name.c_str());
+        if (frame.map_info != nullptr && !frame.map_info->name().empty()) {
+          dprintf(fd, "\"%s\"", frame.map_info->name().c_str());
         } else {
           dprintf(fd, "\"\"");
         }
diff --git a/libc/malloc_debug/UnwindBacktrace.cpp b/libc/malloc_debug/UnwindBacktrace.cpp
index 92fb3fa..128991b 100644
--- a/libc/malloc_debug/UnwindBacktrace.cpp
+++ b/libc/malloc_debug/UnwindBacktrace.cpp
@@ -90,14 +90,14 @@
     unwindstack::MapInfo* map_info = info->map_info;
 
     std::string line = android::base::StringPrintf("          #%0zd  pc %" PAD_PTR "  ", i, info->rel_pc);
-    if (map_info->offset != 0) {
-      line += android::base::StringPrintf("(offset 0x%" PRIx64 ") ", map_info->offset);
+    if (map_info->offset() != 0) {
+      line += android::base::StringPrintf("(offset 0x%" PRIx64 ") ", map_info->offset());
     }
 
-    if (map_info->name.empty()) {
-      line += android::base::StringPrintf("<anonymous:%" PRIx64 ">", map_info->start);
+    if (map_info->name().empty()) {
+      line += android::base::StringPrintf("<anonymous:%" PRIx64 ">", map_info->start());
     } else {
-      line += map_info->name;
+      line += map_info->name();
     }
 
     if (!info->function_name.empty()) {
diff --git a/linker/Android.bp b/linker/Android.bp
index 3370f28..4a5bf44 100644
--- a/linker/Android.bp
+++ b/linker/Android.bp
@@ -193,6 +193,7 @@
         "linker_relocate.cpp",
         "linker_sdk_versions.cpp",
         "linker_soinfo.cpp",
+        "linker_transparent_hugepage_support.cpp",
         "linker_tls.cpp",
         "linker_utils.cpp",
         "rt.cpp",
@@ -413,6 +414,19 @@
     bazel_module: { bp2build_available: true },
 }
 
+// Used to generate binaries that can be backed by transparent hugepages.
+cc_defaults {
+    name: "linker_hugepage_aligned",
+    arch: {
+        arm64: {
+            ldflags: ["-z max-page-size=0x200000"],
+        },
+        x86_64: {
+            ldflags: ["-z max-page-size=0x200000"],
+        },
+    },
+}
+
 cc_library {
     // NOTE: --exclude-libs=libgcc.a makes sure that any symbols ld-android.so pulls from
     // libgcc.a are made static to ld-android.so.  This in turn ensures that libraries that
diff --git a/linker/NOTICE b/linker/NOTICE
index 4cada69..8f70d87 100644
--- a/linker/NOTICE
+++ b/linker/NOTICE
@@ -306,3 +306,31 @@
 
 -------------------------------------------------------------------
 
+Copyright (C) 2021 The Android Open Source Project
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+ * Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in
+   the documentation and/or other materials provided with the
+   distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+-------------------------------------------------------------------
+
diff --git a/linker/linker.h b/linker/linker.h
index e1775fb..74bdcc7 100644
--- a/linker/linker.h
+++ b/linker/linker.h
@@ -110,6 +110,8 @@
 void set_application_target_sdk_version(int target);
 int get_application_target_sdk_version();
 
+bool get_transparent_hugepages_supported();
+
 enum {
   /* A regular namespace is the namespace with a custom search path that does
    * not impose any restrictions on the location of native libraries.
diff --git a/linker/linker_main.cpp b/linker/linker_main.cpp
index 0b501a7..2a690e9 100644
--- a/linker/linker_main.cpp
+++ b/linker/linker_main.cpp
@@ -31,9 +31,10 @@
 #include <link.h>
 #include <sys/auxv.h>
 
+#include "linker.h"
+#include "linker_cfi.h"
 #include "linker_debug.h"
 #include "linker_debuggerd.h"
-#include "linker_cfi.h"
 #include "linker_gdb_support.h"
 #include "linker_globals.h"
 #include "linker_phdr.h"
diff --git a/linker/linker_phdr.cpp b/linker/linker_phdr.cpp
index 9b1b99f..60fd776 100644
--- a/linker/linker_phdr.cpp
+++ b/linker/linker_phdr.cpp
@@ -70,8 +70,9 @@
     p_memsz   -> segment memory size (always >= p_filesz)
     p_vaddr   -> segment's virtual address
     p_flags   -> segment flags (e.g. readable, writable, executable)
+    p_align   -> segment's in-memory and in-file alignment
 
-  We will ignore the p_paddr and p_align fields of ElfW(Phdr) for now.
+  We will ignore the p_paddr field of ElfW(Phdr) for now.
 
   The loadable segments can be seen as a list of [p_vaddr ... p_vaddr+p_memsz)
   ranges of virtual addresses. A few rules apply:
@@ -137,6 +138,9 @@
                                       MAYBE_MAP_FLAG((x), PF_R, PROT_READ) | \
                                       MAYBE_MAP_FLAG((x), PF_W, PROT_WRITE))
 
+// Default PMD size for x86_64 and aarch64 (2MB).
+static constexpr size_t kPmdSize = (1UL << 21);
+
 ElfReader::ElfReader()
     : did_read_(false), did_load_(false), fd_(-1), file_offset_(0), file_size_(0), phdr_num_(0),
       phdr_table_(nullptr), shdr_table_(nullptr), shdr_num_(0), dynamic_(nullptr), strtab_(nullptr),
@@ -526,12 +530,40 @@
   return max_vaddr - min_vaddr;
 }
 
+// Returns the maximum p_align associated with a loadable segment in the ELF
+// program header table. Used to determine whether the file should be loaded at
+// a specific virtual address alignment for use with huge pages.
+size_t phdr_table_get_maximum_alignment(const ElfW(Phdr)* phdr_table, size_t phdr_count) {
+  size_t maximum_alignment = PAGE_SIZE;
+
+  for (size_t i = 0; i < phdr_count; ++i) {
+    const ElfW(Phdr)* phdr = &phdr_table[i];
+
+    // p_align must be 0, 1, or a positive, integral power of two.
+    if (phdr->p_type != PT_LOAD || ((phdr->p_align & (phdr->p_align - 1)) != 0)) {
+      continue;
+    }
+
+    if (phdr->p_align > maximum_alignment) {
+      maximum_alignment = phdr->p_align;
+    }
+  }
+
+#if defined(__LP64__)
+  return maximum_alignment;
+#else
+  return PAGE_SIZE;
+#endif
+}
+
 // Reserve a virtual address range such that if it's limits were extended to the next 2**align
 // boundary, it would not overlap with any existing mappings.
-static void* ReserveWithAlignmentPadding(size_t size, size_t align, void** out_gap_start,
-                                         size_t* out_gap_size) {
+static void* ReserveWithAlignmentPadding(size_t size, size_t mapping_align, size_t start_align,
+                                         void** out_gap_start, size_t* out_gap_size) {
   int mmap_flags = MAP_PRIVATE | MAP_ANONYMOUS;
-  if (align == PAGE_SIZE) {
+  // Reserve enough space to properly align the library's start address.
+  mapping_align = std::max(mapping_align, start_align);
+  if (mapping_align == PAGE_SIZE) {
     void* mmap_ptr = mmap(nullptr, size, PROT_NONE, mmap_flags, -1, 0);
     if (mmap_ptr == MAP_FAILED) {
       return nullptr;
@@ -550,24 +582,24 @@
   constexpr size_t kMaxGapUnits = 32;
   // Allocate enough space so that the end of the desired region aligned up is still inside the
   // mapping.
-  size_t mmap_size = align_up(size, align) + align - PAGE_SIZE;
+  size_t mmap_size = align_up(size, mapping_align) + mapping_align - PAGE_SIZE;
   uint8_t* mmap_ptr =
       reinterpret_cast<uint8_t*>(mmap(nullptr, mmap_size, PROT_NONE, mmap_flags, -1, 0));
   if (mmap_ptr == MAP_FAILED) {
     return nullptr;
   }
   size_t gap_size = 0;
-  size_t first_byte = reinterpret_cast<size_t>(align_up(mmap_ptr, align));
-  size_t last_byte = reinterpret_cast<size_t>(align_down(mmap_ptr + mmap_size, align) - 1);
+  size_t first_byte = reinterpret_cast<size_t>(align_up(mmap_ptr, mapping_align));
+  size_t last_byte = reinterpret_cast<size_t>(align_down(mmap_ptr + mmap_size, mapping_align) - 1);
   if (kGapAlignment && first_byte / kGapAlignment != last_byte / kGapAlignment) {
     // This library crosses a 2MB boundary and will fragment a new huge page.
     // Lets take advantage of that and insert a random number of inaccessible huge pages before that
     // to improve address randomization and make it harder to locate this library code by probing.
     munmap(mmap_ptr, mmap_size);
-    align = std::max(align, kGapAlignment);
+    mapping_align = std::max(mapping_align, kGapAlignment);
     gap_size =
         kGapAlignment * (is_first_stage_init() ? 1 : arc4random_uniform(kMaxGapUnits - 1) + 1);
-    mmap_size = align_up(size + gap_size, align) + align - PAGE_SIZE;
+    mmap_size = align_up(size + gap_size, mapping_align) + mapping_align - PAGE_SIZE;
     mmap_ptr = reinterpret_cast<uint8_t*>(mmap(nullptr, mmap_size, PROT_NONE, mmap_flags, -1, 0));
     if (mmap_ptr == MAP_FAILED) {
       return nullptr;
@@ -582,13 +614,13 @@
     gap_start = gap_end = mmap_ptr + mmap_size;
   }
 
-  uint8_t* first = align_up(mmap_ptr, align);
-  uint8_t* last = align_down(gap_start, align) - size;
+  uint8_t* first = align_up(mmap_ptr, mapping_align);
+  uint8_t* last = align_down(gap_start, mapping_align) - size;
 
   // arc4random* is not available in first stage init because /dev/urandom hasn't yet been
   // created. Don't randomize then.
-  size_t n = is_first_stage_init() ? 0 : arc4random_uniform((last - first) / PAGE_SIZE + 1);
-  uint8_t* start = first + n * PAGE_SIZE;
+  size_t n = is_first_stage_init() ? 0 : arc4random_uniform((last - first) / start_align + 1);
+  uint8_t* start = first + n * start_align;
   // Unmap the extra space around the allocation.
   // Keep it mapped PROT_NONE on 64-bit targets where address space is plentiful to make it harder
   // to defeat ASLR by probing for readable memory mappings.
@@ -622,7 +654,15 @@
              load_size_ - address_space->reserved_size, load_size_, name_.c_str());
       return false;
     }
-    start = ReserveWithAlignmentPadding(load_size_, kLibraryAlignment, &gap_start_, &gap_size_);
+    size_t start_alignment = PAGE_SIZE;
+    if (get_transparent_hugepages_supported() && get_application_target_sdk_version() >= 31) {
+      size_t maximum_alignment = phdr_table_get_maximum_alignment(phdr_table_, phdr_num_);
+      // Limit alignment to PMD size as other alignments reduce the number of
+      // bits available for ASLR for no benefit.
+      start_alignment = maximum_alignment == kPmdSize ? kPmdSize : PAGE_SIZE;
+    }
+    start = ReserveWithAlignmentPadding(load_size_, kLibraryAlignment, start_alignment, &gap_start_,
+                                        &gap_size_);
     if (start == nullptr) {
       DL_ERR("couldn't reserve %zd bytes of address space for \"%s\"", load_size_, name_.c_str());
       return false;
@@ -706,6 +746,13 @@
         DL_ERR("couldn't map \"%s\" segment %zd: %s", name_.c_str(), i, strerror(errno));
         return false;
       }
+
+      // Mark segments as huge page eligible if they meet the requirements
+      // (executable and PMD aligned).
+      if ((phdr->p_flags & PF_X) && phdr->p_align == kPmdSize &&
+          get_transparent_hugepages_supported()) {
+        madvise(seg_addr, file_length, MADV_HUGEPAGE);
+      }
     }
 
     // if the segment is writable, and does not end on a page boundary,
diff --git a/linker/linker_phdr.h b/linker/linker_phdr.h
index 548dc51..98bf020 100644
--- a/linker/linker_phdr.h
+++ b/linker/linker_phdr.h
@@ -120,6 +120,8 @@
 size_t phdr_table_get_load_size(const ElfW(Phdr)* phdr_table, size_t phdr_count,
                                 ElfW(Addr)* min_vaddr = nullptr, ElfW(Addr)* max_vaddr = nullptr);
 
+size_t phdr_table_get_maximum_alignment(const ElfW(Phdr)* phdr_table, size_t phdr_count);
+
 int phdr_table_protect_segments(const ElfW(Phdr)* phdr_table, size_t phdr_count,
                                 ElfW(Addr) load_bias, const GnuPropertySection* prop = nullptr);
 
diff --git a/linker/linker_transparent_hugepage_support.cpp b/linker/linker_transparent_hugepage_support.cpp
new file mode 100644
index 0000000..65ba4cd
--- /dev/null
+++ b/linker/linker_transparent_hugepage_support.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <string>
+
+#include <android-base/file.h>
+
+#include "linker.h"
+
+bool get_transparent_hugepages_supported() {
+  static bool transparent_hugepages_supported = []() {
+    std::string enabled;
+    if (!android::base::ReadFileToString("/sys/kernel/mm/transparent_hugepage/enabled", &enabled)) {
+      return false;
+    }
+    return enabled.find("[never]") == std::string::npos;
+  };
+  return transparent_hugepages_supported;
+}