diff options
Diffstat (limited to 'target/i386/kvm/kvm-cpu.c')
-rw-r--r-- | target/i386/kvm/kvm-cpu.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/target/i386/kvm/kvm-cpu.c b/target/i386/kvm/kvm-cpu.c index a35a1bf9fe..5eb955ce9a 100644 --- a/target/i386/kvm/kvm-cpu.c +++ b/target/i386/kvm/kvm-cpu.c @@ -99,13 +99,18 @@ static void kvm_cpu_xsave_init(void) for (i = XSTATE_SSE_BIT + 1; i < XSAVE_STATE_AREA_COUNT; i++) { ExtSaveArea *esa = &x86_ext_save_areas[i]; - if (esa->size) { - host_cpuid(0xd, i, &eax, &ebx, &ecx, &edx); - if (eax != 0) { - assert(esa->size == eax); - esa->offset = ebx; - esa->ecx = ecx; - } + if (!esa->size) { + continue; + } + if ((x86_cpu_get_supported_feature_word(esa->feature, false) & esa->bits) + != esa->bits) { + continue; + } + host_cpuid(0xd, i, &eax, &ebx, &ecx, &edx); + if (eax != 0) { + assert(esa->size == eax); + esa->offset = ebx; + esa->ecx = ecx; } } } |