x86/entry: Use pt_regs_to_thread_info() in syscall entry tracing
authorAndy Lutomirski <luto@kernel.org>
Tue, 6 Oct 2015 00:48:22 +0000 (17:48 -0700)
committerIngo Molnar <mingo@kernel.org>
Fri, 9 Oct 2015 07:41:12 +0000 (09:41 +0200)
commitdd636071c3d8044c802b7a365e9934724a929530
tree66106b8b51760d5bbb51bc0fa7d5b27202aa738b
parent4aabd140f9cbe0361401a1368bac74df1010abf5
x86/entry: Use pt_regs_to_thread_info() in syscall entry tracing

It generates simpler and faster code than current_thread_info().

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/a3b6633e7dcb9f673c1b619afae602d29d27d2cf.1444091585.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/entry/common.c