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| author | Dor Laor <dor.laor@qumranet.com> | 2007-02-19 17:44:49 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-05-03 11:52:22 +0400 |
| commit | 9b22bf578332d3e326c349bc8a8789af3d952435 (patch) | |
| tree | 90cd7779ad0d17764dbf3bf9ff49f42247cb95bd /drivers/kvm | |
| parent | dc87c3985e9b442c60994308a96f887579addc39 (diff) | |
| download | linux-9b22bf578332d3e326c349bc8a8789af3d952435.tar.xz | |
KVM: Fix guest register corruption on paravirt hypercall
The hypercall code mixes up the ->cache_regs() and ->decache_regs()
callbacks, resulting in guest register corruption.
Signed-off-by: Dor Laor <dor.laor@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm')
| -rw-r--r-- | drivers/kvm/kvm_main.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index dc7a8c78cbf9..ff7c836ff001 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -1177,7 +1177,7 @@ int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run) { unsigned long nr, a0, a1, a2, a3, a4, a5, ret; - kvm_arch_ops->decache_regs(vcpu); + kvm_arch_ops->cache_regs(vcpu); ret = -KVM_EINVAL; #ifdef CONFIG_X86_64 if (is_long_mode(vcpu)) { @@ -1204,7 +1204,7 @@ int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run) ; } vcpu->regs[VCPU_REGS_RAX] = ret; - kvm_arch_ops->cache_regs(vcpu); + kvm_arch_ops->decache_regs(vcpu); return 1; } EXPORT_SYMBOL_GPL(kvm_hypercall); |