| commit | c74f41bbcc83d12787ac42f2c74fc2be54e9f222 | |
| author | Paolo Bonzini <pbonzini@redhat.com> | |
| Fri, 13 Sep 2013 13:55:57 +0000 (13 15:55 +0200) | ||
| committer | Gleb Natapov <gleb@redhat.com> | |
| Wed, 2 Oct 2013 15:58:23 +0000 (2 18:58 +0300) | ||
| tree | 39707633519f220b50df9934c888a6abd95eb10d | treesnapshot (tar.gz zip) |
| parent | a684f3cf9b9b9c3cb82be87aafc463de8974610c | commitdiff |
x86: fix migration from pre-version 12
On KVM, the KVM_SET_XSAVE would be executed with a 0 xstate_bv,
and not restore anything.
Since FP and SSE data are always valid, set them in xstate_bv at reset
time. In fact, that value is the same that KVM_GET_XSAVE returns on
pre-XSAVE hosts.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
On KVM, the KVM_SET_XSAVE would be executed with a 0 xstate_bv,
and not restore anything.
Since FP and SSE data are always valid, set them in xstate_bv at reset
time. In fact, that value is the same that KVM_GET_XSAVE returns on
pre-XSAVE hosts.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
| target-i386/cpu.c | diffblobblamehistory | |
| target-i386/cpu.h | diffblobblamehistory |