search for: xstate_s

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2013 Nov 19
6
[PATCH 2/5] X86 architecture instruction set extension definiation
...state */ void xstate_init(bool_t bsp) { - u32 eax, ebx, ecx, edx, min_size; + u32 eax, ebx, ecx, edx; u64 feature_mask; if ( boot_cpu_data.cpuid_level < XSTATE_CPUID ) @@ -269,12 +269,6 @@ void xstate_init(bool_t bsp) BUG_ON((eax & XSTATE_YMM) && !(eax & XSTATE_SSE)); feature_mask = (((u64)edx << 32) | eax) & XCNTXT_MASK; - /* FP/SSE, XSAVE.HEADER, YMM */ - min_size = XSTATE_AREA_MIN_SIZE; - if ( eax & XSTATE_YMM ) - min_size += XSTATE_YMM_SIZE; - BUG_ON(ecx < min_size); - /* * Set CR4_OSXSAVE and run &...