Commit c1667e40 authored by Gleb Natapov's avatar Gleb Natapov Committed by Marcelo Tosatti
Browse files

kvm: fix 80000001.EDX supported bit filtering 



On AMD some bits from 1.EDX are reported in 80000001.EDX. The mask used
to copy bits from 1.EDX to 80000001.EDX is incorrect resulting in
unsupported features passed into a guest.

Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 4513d923

target-i386/kvm.c

+1 −1
Original line number Diff line number Diff line
@@ -111,7 +111,7 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function, int reg) 
                     * so add missing bits according to the AMD spec:

                     */

                    cpuid_1_edx = kvm_arch_get_supported_cpuid(env, 1, R_EDX);

                    ret |= cpuid_1_edx & 0xdfeff7ff;

                    ret |= cpuid_1_edx & 0x183f7ff;

                    break;

                }

                break;