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| author | Yu-cheng Yu <yu-cheng.yu@intel.com> | 2017-01-24 10:25:46 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-01-25 08:25:12 +0100 |
| commit | a5828ed3d03d38399159dc17a98cefde3109a66b (patch) | |
| tree | 07dc07c7f98988890801687c30964f7cdcace20a /arch/x86/kernel/fpu/core.c | |
| parent | dffba9a31c7769be3231c420d4b364c92ba3f1ac (diff) | |
| download | linux-a5828ed3d03d38399159dc17a98cefde3109a66b.tar.gz linux-a5828ed3d03d38399159dc17a98cefde3109a66b.tar.bz2 linux-a5828ed3d03d38399159dc17a98cefde3109a66b.zip | |
x86/fpu/xstate: Move XSAVES state init to a function
Make XSTATE init similar to existing code; move it to a separate function.
There is no functionality change.
Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
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: Ravi V. Shankar <ravi.v.shankar@intel.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1485282346-15437-1-git-send-email-yu-cheng.yu@intel.com
[ Minor cleanliness edits. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/fpu/core.c')
| -rw-r--r-- | arch/x86/kernel/fpu/core.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index de7234401275..e1114f070c2d 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -9,7 +9,6 @@ #include <asm/fpu/regset.h> #include <asm/fpu/signal.h> #include <asm/fpu/types.h> -#include <asm/fpu/xstate.h> #include <asm/traps.h> #include <linux/hardirq.h> @@ -179,14 +178,8 @@ void fpstate_init(union fpregs_state *state) memset(state, 0, fpu_kernel_xstate_size); - /* - * XRSTORS requires that this bit is set in xcomp_bv, or - * it will #GP. Make sure it is replaced after the memset(). - */ if (static_cpu_has(X86_FEATURE_XSAVES)) - state->xsave.header.xcomp_bv = XCOMP_BV_COMPACTED_FORMAT | - xfeatures_mask; - + fpstate_init_xstate(&state->xsave); if (static_cpu_has(X86_FEATURE_FXSR)) fpstate_init_fxstate(&state->fxsave); else |