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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-24 08:26:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-24 08:26:01 -0700
commit60911731fe7fd4ec4d088fc1a48a56c9fb14103f (patch)
treea4343a10d8cb6195dbda3bc2bc2688e42de70fb4 /arch
parentd1f53fb90ee631a2cf8f7bdd0e921a338106e4f9 (diff)
parent888d256e9c565cb61505bd218eb37c81fe77a325 (diff)
Merge branch 'kvm-updates/2.6.30' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/2.6.30' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: Unregister cpufreq notifier on unload KVM: x86: release time_page on vcpu destruction KVM: Fix overlapping check for memory slots KVM: MMU: disable global page optimization KVM: ia64: fix locking order entering guest KVM: MMU: Fix off-by-one calculating large page count
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/kvm/kvm-ia64.c14
-rw-r--r--arch/x86/kvm/mmu.c2
-rw-r--r--arch/x86/kvm/x86.c8
3 files changed, 17 insertions, 7 deletions
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 28af6a731bb..d20a5db4c4d 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -610,20 +610,22 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
int r;
again:
- preempt_disable();
- local_irq_disable();
-
if (signal_pending(current)) {
- local_irq_enable();
- preempt_enable();
r = -EINTR;
kvm_run->exit_reason = KVM_EXIT_INTR;
goto out;
}
+ /*
+ * down_read() may sleep and return with interrupts enabled
+ */
+ down_read(&vcpu->kvm->slots_lock);
+
+ preempt_disable();
+ local_irq_disable();
+
vcpu->guest_mode = 1;
kvm_guest_enter();
- down_read(&vcpu->kvm->slots_lock);
r = vti_vcpu_run(vcpu, kvm_run);
if (r < 0) {
local_irq_enable();
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 2a36f7f7c4c..b6caf1329b1 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1248,7 +1248,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
pgprintk("%s: adding gfn %lx role %x\n", __func__, gfn, role.word);
sp->gfn = gfn;
sp->role = role;
- sp->global = role.cr4_pge;
+ sp->global = 0;
hlist_add_head(&sp->hash_link, bucket);
if (!direct) {
if (rmap_write_protect(vcpu->kvm, gfn))
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8ca100a9eca..7c1ce5ac613 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2775,6 +2775,9 @@ out:
void kvm_arch_exit(void)
{
+ if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
+ cpufreq_unregister_notifier(&kvmclock_cpufreq_notifier_block,
+ CPUFREQ_TRANSITION_NOTIFIER);
kvm_x86_ops = NULL;
kvm_mmu_module_exit();
}
@@ -4159,6 +4162,11 @@ EXPORT_SYMBOL_GPL(kvm_put_guest_fpu);
void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
{
+ if (vcpu->arch.time_page) {
+ kvm_release_page_dirty(vcpu->arch.time_page);
+ vcpu->arch.time_page = NULL;
+ }
+
kvm_x86_ops->vcpu_free(vcpu);
}