From: Ingo Molnar <mingo@kernel.org>
Date: Fri, 24 Apr 2015 08:02:32 +0000 (+0200)
Subject: x86/fpu: Move XCR0 manipulation to the FPU code proper
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~174^2~171
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9254aaa0fea4e8aa4e83539c379aecb41a975ca6;p=pandora-kernel.git

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>
---

diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h
index f1eddcccba16..5bdde8ca87bc 100644
--- a/arch/x86/include/asm/fpu/api.h
+++ b/arch/x86/include/asm/fpu/api.h
@@ -23,6 +23,7 @@ extern void fpu__clear(struct task_struct *tsk);
 extern int dump_fpu(struct pt_regs *, struct user_i387_struct *);
 extern void fpu__restore(void);
 extern void fpu__init_check_bugs(void);
+extern void fpu__resume_cpu(void);
 
 extern bool irq_fpu_usable(void);
 
Reading git-diff-tree failed