x86, cpu: Clean up and unify the NOP selection infrastructure
commitdc326fca2b640fc41aed7c015d0f456935a66255
authorH. Peter Anvin <hpa@linux.intel.com>
Mon, 18 Apr 2011 22:19:51 +0000 (18 15:19 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Mon, 18 Apr 2011 23:40:21 +0000 (18 16:40 -0700)
tree9181ef9c416e8fba822d75b53155c896b3900e72
parentb1e7734f024c9ce4393016a97c8d821e1f18d9b4
x86, cpu: Clean up and unify the NOP selection infrastructure

Clean up and unify the NOP selection infrastructure:

- Make the atomic 5-byte NOP a part of the selection system.
- Pick NOPs once during early boot and then be done with it.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jason Baron <jbaron@redhat.com>
Link: http://lkml.kernel.org/r/1303166160-10315-3-git-send-email-hpa@linux.intel.com
arch/x86/include/asm/alternative.h
arch/x86/include/asm/nops.h
arch/x86/kernel/alternative.c
arch/x86/kernel/ftrace.c
arch/x86/kernel/jump_label.c
arch/x86/kernel/setup.c