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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-24 08:26:01 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-24 08:26:01 -0700 |
commit | 60911731fe7fd4ec4d088fc1a48a56c9fb14103f (patch) | |
tree | a4343a10d8cb6195dbda3bc2bc2688e42de70fb4 /arch | |
parent | d1f53fb90ee631a2cf8f7bdd0e921a338106e4f9 (diff) | |
parent | 888d256e9c565cb61505bd218eb37c81fe77a325 (diff) | |
download | op-kernel-dev-60911731fe7fd4ec4d088fc1a48a56c9fb14103f.zip op-kernel-dev-60911731fe7fd4ec4d088fc1a48a56c9fb14103f.tar.gz |
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.c | 14 | ||||
-rw-r--r-- | arch/x86/kvm/mmu.c | 2 | ||||
-rw-r--r-- | arch/x86/kvm/x86.c | 8 |
3 files changed, 17 insertions, 7 deletions
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 28af6a7..d20a5db 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 2a36f7f..b6caf13 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 8ca100a..7c1ce5a 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); } |