Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9b22bf578332d3e326c349bc8a8789af3d952435
Commit: 9b22bf578332d3e326c349bc8a8789af3d952435
Parent: dc87c3985e9b442c60994308a96f887579addc39
Author: Dor Laor <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 19 16:44:49 2007 +0200
Committer: Avi Kivity <[EMAIL PROTECTED]>
CommitDate: Thu May 3 10:52:22 2007 +0300
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 <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
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 dc7a8c7..ff7c836 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);
-
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