| commit | 67704e250e558f937c25fa44b6dd0e4fb9f12341 | [log] [tgz] |
|---|---|---|
| author | Joerg Roedel <joerg.roedel@amd.com> | Mon Jan 21 13:09:33 2008 +0100 |
| committer | Avi Kivity <avi@qumranet.com> | Mon Jan 21 19:42:00 2008 +0200 |
| tree | 5821ead9c3342e692595eff5df3934b4f71925ba | |
| parent | 5b644f6246905396f05ebe0f570c50bd81fce850 [diff] |
KVM: SVM: Fix lazy FPU switching If the guest writes to cr0 and leaves the TS flag at 0 while vcpu->fpu_active is also 0, the TS flag in the guest's cr0 gets lost. This leads to corrupt FPU state an causes Windows Vista 64bit to crash very soon after boot. This patch fixes this bug. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Markus Rechberger <markus.rechberger@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>