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[xen master] x86emul: AVX512PF insns aren't memory accesses



commit 96137cf1426a1d6419ec9fd205e22b03b2af313d
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Wed Aug 5 10:29:18 2020 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Aug 5 10:29:18 2020 +0200

    x86emul: AVX512PF insns aren't memory accesses
    
    These are prefetches, so should be treated just like other prefetches.
    
    Fixes: 467e91bde720 ("x86emul: support AVX512PF insns")
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/x86_emulate/x86_emulate.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/arch/x86/x86_emulate/x86_emulate.c 
b/xen/arch/x86/x86_emulate/x86_emulate.c
index c54ad589c4..41883ad6d8 100644
--- a/xen/arch/x86/x86_emulate/x86_emulate.c
+++ b/xen/arch/x86/x86_emulate/x86_emulate.c
@@ -12266,6 +12266,8 @@ x86_insn_is_mem_access(const struct x86_emulate_state 
*state,
          ... X86EMUL_OPC_F2(0x0f, 0x1f): /* NOP space */
         case X86EMUL_OPC(0x0f, 0xb9): /* UD1 */
         case X86EMUL_OPC(0x0f, 0xff): /* UD0 */
+        case X86EMUL_OPC_EVEX_66(0x0f38, 0xc6): /* V{GATH,SCATT}ERPF*D* */
+        case X86EMUL_OPC_EVEX_66(0x0f38, 0xc7): /* V{GATH,SCATT}ERPF*Q* */
             return false;
 
         case X86EMUL_OPC(0x0f, 0x01):
--
generated by git-patchbot for /home/xen/git/xen.git#master



 


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