x86/fpu: Move XCR0 manipulation to the FPU code proper
authorIngo Molnar <mingo@kernel.org>
Fri, 24 Apr 2015 08:02:32 +0000 (10:02 +0200)
committerIngo Molnar <mingo@kernel.org>
Tue, 19 May 2015 13:47:33 +0000 (15:47 +0200)
commit9254aaa0fea4e8aa4e83539c379aecb41a975ca6
treebdf4154a776bee05a54f58784f319bf0f81353b4
parent84246fe4e3a0e412a9602983ba37f4e4dbebb3e8
x86/fpu: Move XCR0 manipulation to the FPU code proper

The suspend code accesses FPU state internals, add a helper for
it and isolate it.

Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/include/asm/fpu/api.h
arch/x86/kernel/fpu/xsave.c
arch/x86/power/cpu.c