commit 86a4837a8eef99b2363dbcf1158a56bb203c2745
author Christopher Ferris <cferris@google.com> Thu Jan 10 14:14:59 2019 -0800
committer Christopher Ferris <cferris@google.com> Tue Jan 15 07:33:14 2019 -0800
tree becbd67ea40cd4bc2ce001227583421096f061a2
parent ca305a39e50d92dc572f50f00262b3dbb0dece9d

Update to v4.20.1 kernel headers.

This includes one manual change:

In the file bionic/libc/kernel/uapi/linux/in.h, the macro IN_BADCLASS
was not definied correctly. Change the macro from:

  #define IN_BADCLASS(a) ((((long int) (a)) == 0xffffffff)

to:

  #define IN_BADCLASS(a) (((long int) (a)) == (long int)0xffffffff)

This change is being pushed to the upstream kernels.

Test: Builds and boots.
Change-Id: Ia304773a9dc6789b34d9769d73742384d6afb571
Merged-In: Ia304773a9dc6789b34d9769d73742384d6afb571
(cherry picked from commit 967fb01cce73591281e7804e2c0fa9f83b618f5b)

libc/kernel/uapi/linux/prctl.h

diff --git a/libc/kernel/uapi/linux/prctl.h b/libc/kernel/uapi/linux/prctl.h
index ba50b14..44a088d 100644
--- a/libc/kernel/uapi/linux/prctl.h
+++ b/libc/kernel/uapi/linux/prctl.h
@@ -137,6 +137,7 @@
 #define PR_GET_SPECULATION_CTRL 52
 #define PR_SET_SPECULATION_CTRL 53
 #define PR_SPEC_STORE_BYPASS 0
+#define PR_SPEC_INDIRECT_BRANCH 1
 #define PR_SPEC_NOT_AFFECTED 0
 #define PR_SPEC_PRCTL (1UL << 0)
 #define PR_SPEC_ENABLE (1UL << 1)