x86/entry: Force inlining of 32-bit syscall code
authorAndy Lutomirski <luto@kernel.org>
Tue, 6 Oct 2015 00:48:19 +0000 (17:48 -0700)
committerIngo Molnar <mingo@kernel.org>
Fri, 9 Oct 2015 07:41:12 +0000 (09:41 +0200)
commit33c52129f45e06d9ce23e1a3d50bf9fd6770748b
tree7252b2e12e4441966f13a7519649308aef421bcb
parent460d12453e1afe20416ce9536cfecb31d17a9abd
x86/entry: Force inlining of 32-bit syscall code

On systems that support fast syscalls, we only really care about
the performance of the fast syscall path.  Forcibly inline it
and add a likely annotation.

This saves 4-6 cycles.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/8472036ff1f4b426b4c4c3e3d0b3bf5264407c0c.1444091585.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/entry/common.c