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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 17:58:16 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-18 17:58:16 +0200 |
| commit | 41d59102e146a4423a490b8eca68a5860af4fe1c (patch) | |
| tree | 739ed4113ccdaeb33d1723a6beab09c1e18d7048 /arch/x86/include/asm/xsave.h | |
| parent | Merge branch 'x86-doc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
| parent | x86, fpu: Use static_cpu_has() to implement use_xsave() (diff) | |
| download | linux-41d59102e146a4423a490b8eca68a5860af4fe1c.tar.xz linux-41d59102e146a4423a490b8eca68a5860af4fe1c.zip | |
Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, fpu: Use static_cpu_has() to implement use_xsave()
x86: Add new static_cpu_has() function using alternatives
x86, fpu: Use the proper asm constraint in use_xsave()
x86, fpu: Unbreak FPU emulation
x86: Introduce 'struct fpu' and related API
x86: Eliminate TS_XSAVE
x86-32: Don't set ignore_fpu_irq in simd exception
x86: Merge kernel_math_error() into math_error()
x86: Merge simd_math_error() into math_error()
x86-32: Rework cache flush denied handler
Fix trivial conflict in arch/x86/kernel/process.c
Diffstat (limited to 'arch/x86/include/asm/xsave.h')
| -rw-r--r-- | arch/x86/include/asm/xsave.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h index ddc04ccad03b..2c4390cae228 100644 --- a/arch/x86/include/asm/xsave.h +++ b/arch/x86/include/asm/xsave.h @@ -37,8 +37,9 @@ extern int check_for_xstate(struct i387_fxsave_struct __user *buf, void __user *fpstate, struct _fpx_sw_bytes *sw); -static inline int xrstor_checking(struct xsave_struct *fx) +static inline int fpu_xrstor_checking(struct fpu *fpu) { + struct xsave_struct *fx = &fpu->state->xsave; int err; asm volatile("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n\t" @@ -110,12 +111,12 @@ static inline void xrstor_state(struct xsave_struct *fx, u64 mask) : "memory"); } -static inline void xsave(struct task_struct *tsk) +static inline void fpu_xsave(struct fpu *fpu) { /* This, however, we can work around by forcing the compiler to select an addressing mode that doesn't require extended registers. */ __asm__ __volatile__(".byte " REX_PREFIX "0x0f,0xae,0x27" - : : "D" (&(tsk->thread.xstate->xsave)), + : : "D" (&(fpu->state->xsave)), "a" (-1), "d"(-1) : "memory"); } #endif |