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Diffstat (limited to 'target/i386/kvm/kvm-cpu.c')
-rw-r--r--target/i386/kvm/kvm-cpu.c19
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;
}
}
}