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 <[email protected]> Acked-by: H. Peter Anvin <[email protected]> Signed-off-by: Suresh Siddha <[email protected]> --- arch/x86/include/asm/fpu-internal.h | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index df023b4..9fa1a0e 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 *); -- 1.7.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
