[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] x86emul: don't read mask register on AVX512F-incapable platforms
Reported-by: George Dunlap <george.dunlap@xxxxxxxxxx> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> --- This is surely a stable tree candidate, unless it could still make it into 4.12 before the release. --- a/xen/arch/x86/x86_emulate/x86_emulate.c +++ b/xen/arch/x86/x86_emulate/x86_emulate.c @@ -3511,7 +3511,7 @@ x86_emulate( } /* With a memory operand, fetch the mask register in use (if any). */ - if ( ea.type == OP_MEM && evex.opmsk ) + if ( ea.type == OP_MEM && cpu_has_avx512f && evex.opmsk ) { uint8_t *stb = get_stub(stub); _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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