KVM: Take kvm instead of vcpu to mmu_notifier_retry
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>
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 6afc5be..82e2c78 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -841,9 +841,9 @@
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 @@
* 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;
}