x86/entry: Get rid of two-phase syscall entry work
authorAndy Lutomirski <luto@kernel.org>
Fri, 27 May 2016 20:08:59 +0000 (13:08 -0700)
committerKees Cook <keescook@chromium.org>
Tue, 14 Jun 2016 17:54:39 +0000 (10:54 -0700)
commitc87a85177e7a7f9a9ee32893fb99a928e02fe23a
treef12f5fd3475ae8e12a4b209e7cb517b363ec864a
parent2f275de5d1ed7269913ef9b4c64a13952c0a38e8
x86/entry: Get rid of two-phase syscall entry work

I added two-phase syscall entry work back when the entry slow path
was very slow.  Nowadays, the entry slow path is fast and two-phase
entry work serves no purpose.  Remove it.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
arch/x86/entry/common.c
arch/x86/include/asm/ptrace.h