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KVM: Take kvm instead of vcpu to mmu_notifier_retry

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The mmu_notifier_retry is not specific to any vcpu (and never will be)
so only take struct kvm as a parameter.

The motivation is the ARM mmu code that needs to call this from
somewhere where we long let go of the vcpu pointer.

Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Christoffer Dall
2012-10-14 23:10:18 -04:00
committed by Avi Kivity
parent 1f5b77f51a
commit 8ca40a70a7
5 changed files with 8 additions and 8 deletions
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6
include/linux/kvm_host.h
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@@ -841,9 +841,9 @@ extern struct kvm_stats_debugfs_item debugfs_entries[];
extern struct dentry *kvm_debugfs_dir;
#if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)
static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_seq)
static inline int mmu_notifier_retry(struct kvm *kvm, unsigned long mmu_seq)
{
if (unlikely(vcpu->kvm->mmu_notifier_count))
if (unlikely(kvm->mmu_notifier_count))
return 1;
/*
* Ensure the read of mmu_notifier_count happens before the read
@@ -856,7 +856,7 @@ static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_se
* can't rely on kvm->mmu_lock to keep things ordered.
*/
smp_rmb();
if (vcpu->kvm->mmu_notifier_seq != mmu_seq)
if (kvm->mmu_notifier_seq != mmu_seq)
return 1;
return 0;
}