x86/asm/entry/64: Shrink code in 'paranoid_exit'
authorDenys Vlasenko <dvlasenk@redhat.com>
Thu, 26 Feb 2015 22:40:29 +0000 (14:40 -0800)
committerIngo Molnar <mingo@kernel.org>
Wed, 4 Mar 2015 21:50:50 +0000 (22:50 +0100)
commit0d55083698ed2f498e5682c5c252e6b7224890be
treefc378292acdd5370eb2643b73574a76176031860
parente90e147cbc0cbc8dcf48000e15190badf75250f4
x86/asm/entry/64: Shrink code in 'paranoid_exit'

RESTORE_EXTRA_REGS + RESTORE_C_REGS looks small, but it's
a lot of instructions (fourteen). Let's reuse them.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
[ Cleaned up the labels. ]
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1421272101-16847-2-git-send-email-dvlasenk@redhat.com
Link: http://lkml.kernel.org/r/59d71848cee3ec9eb48c0252e602efd6bd560e3c.1424989793.git.luto@amacapital.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/entry_64.S