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| author | Suresh Siddha <suresh.b.siddha@intel.com> | 2012-07-25 03:05:28 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-09-19 02:51:26 +0400 |
| commit | 0ca5bd0d886578ad0afeceaa83458c0f35cb3c6b (patch) | |
| tree | 97c8e2c62d1be5fd66c2a6da28d439255bd37ed1 /arch/x86/include/asm/xsave.h | |
| parent | 050902c011712ad4703038fa4489ec4edd87d396 (diff) | |
| download | linux-0ca5bd0d886578ad0afeceaa83458c0f35cb3c6b.tar.xz | |
x86, fpu: Consolidate inline asm routines for saving/restoring fpu state
Consolidate x86, x86_64 inline asm routines saving/restoring fpu state
using config_enabled().
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1343171129-2747-3-git-send-email-suresh.b.siddha@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/xsave.h')
| -rw-r--r-- | arch/x86/include/asm/xsave.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h index 8a1b6f9b594a..aaac810e8613 100644 --- a/arch/x86/include/asm/xsave.h +++ b/arch/x86/include/asm/xsave.h @@ -42,9 +42,8 @@ extern int check_for_xstate(struct i387_fxsave_struct __user *buf, void __user *fpstate, struct _fpx_sw_bytes *sw); -static inline int fpu_xrstor_checking(struct fpu *fpu) +static inline int fpu_xrstor_checking(struct xsave_struct *fx) { - struct xsave_struct *fx = &fpu->state->xsave; int err; asm volatile("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n\t" @@ -84,9 +83,6 @@ static inline int xsave_user(struct xsave_struct __user *buf) : [err] "=r" (err) : "D" (buf), "a" (-1), "d" (-1), "0" (0) : "memory"); - if (unlikely(err) && __clear_user(buf, xstate_size)) - err = -EFAULT; - /* No need to clear here because the caller clears USED_MATH */ return err; } |