From: Suresh Siddha Date: Mon, 10 Sep 2012 17:40:08 +0000 (-0700) Subject: x86, fpu: remove cpu_has_xmm check in the fx_finit() X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=a8615af4bc3621cb01096541dafa6f68352ec2d9;p=deliverable%2Flinux.git x86, fpu: remove cpu_has_xmm check in the fx_finit() CPUs with FXSAVE but no XMM/MXCSR (Pentium II from Intel, Crusoe/TM-3xxx/5xxx from Transmeta, and presumably some of the K6 generation from AMD) ever looked at the mxcsr field during fxrstor/fxsave. So remove the cpu_has_xmm check in the fx_finit() Reported-by: Al Viro Acked-by: H. Peter Anvin Signed-off-by: Suresh Siddha Link: http://lkml.kernel.org/r/1347300665-6209-6-git-send-email-suresh.b.siddha@intel.com Signed-off-by: H. Peter Anvin --- diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index 0ca72f0d4b41..92f3c6ed817f 100644 --- a/arch/x86/include/asm/fpu-internal.h +++ b/arch/x86/include/asm/fpu-internal.h @@ -109,8 +109,7 @@ static inline void fx_finit(struct i387_fxsave_struct *fx) { memset(fx, 0, xstate_size); fx->cwd = 0x37f; - if (cpu_has_xmm) - fx->mxcsr = MXCSR_DEFAULT; + fx->mxcsr = MXCSR_DEFAULT; } extern void __sanitize_i387_state(struct task_struct *);