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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] x86emul: no need to set fault_suppression to false for VMOVNT*
When evex.opmsk is required to be zero there's no need for this, as it
won't have been set to true in the first place.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
I've made similar changes to patches 16, 45, and 46 of v7 of the main
AVX512 series.
--- a/xen/arch/x86/x86_emulate/x86_emulate.c
+++ b/xen/arch/x86/x86_emulate/x86_emulate.c
@@ -5911,7 +5911,6 @@ x86_emulate(
CASE_SIMD_PACKED_FP(_EVEX, 0x0f, 0x2b): /* vmovntp{s,d} [xyz]mm,mem */
generate_exception_if(ea.type != OP_MEM || evex.opmsk, EXC_UD);
sfence = true;
- fault_suppression = false;
/* fall through */
CASE_SIMD_PACKED_FP(_EVEX, 0x0f, 0x10): /* vmovup{s,d}
[xyz]mm/mem,[xyz]mm{k} */
CASE_SIMD_SCALAR_FP(_EVEX, 0x0f, 0x10): /* vmovs{s,d} mem,xmm{k} */
@@ -6793,7 +6792,6 @@ x86_emulate(
generate_exception_if(ea.type != OP_MEM || evex.opmsk || evex.w,
EXC_UD);
sfence = true;
- fault_suppression = false;
/* fall through */
case X86EMUL_OPC_EVEX_66(0x0f, 0x6f): /* vmovdqa{32,64}
[xyz]mm/mem,[xyz]mm{k} */
case X86EMUL_OPC_EVEX_F3(0x0f, 0x6f): /* vmovdqu{32,64}
[xyz]mm/mem,[xyz]mm{k} */
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