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Merge branch 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm

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* 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: Prevent kvm_init from corrupting debugfs structures
  KVM: MMU: fix pointer cast
  KVM: use proper hrtimer function to retrieve expiration time
This commit is contained in:
Linus Torvalds 2009-10-22 08:26:15 +09:00
commit 422b42fa79
4 changed files with 15 additions and 12 deletions
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2
arch/x86/kvm/i8254.c
View File

@ -116,7 +116,7 @@ static s64 __kpit_elapsed(struct kvm *kvm)
* itself with the initial count and continues counting
* from there.
*/
remaining = hrtimer_expires_remaining(&ps->pit_timer.timer);
remaining = hrtimer_get_remaining(&ps->pit_timer.timer);
elapsed = ps->pit_timer.period - ktime_to_ns(remaining);
elapsed = mod_64(elapsed, ps->pit_timer.period);

2
arch/x86/kvm/lapic.c
View File

@ -521,7 +521,7 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic)
if (apic_get_reg(apic, APIC_TMICT) == 0)
return 0;
remaining = hrtimer_expires_remaining(&apic->lapic_timer.timer);
remaining = hrtimer_get_remaining(&apic->lapic_timer.timer);
if (ktime_to_ns(remaining) < 0)
remaining = ktime_set(0, 0);

16
arch/x86/kvm/mmu.c
View File

@ -748,7 +748,8 @@ static int rmap_write_protect(struct kvm *kvm, u64 gfn)
return write_protected;
}
static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
unsigned long data)
{
u64 *spte;
int need_tlb_flush = 0;
@ -763,7 +764,8 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
return need_tlb_flush;
}
static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp,
unsigned long data)
{
int need_flush = 0;
u64 *spte, new_spte;
@ -799,9 +801,10 @@ static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
return 0;
}
static int kvm_handle_hva(struct kvm *kvm, unsigned long hva, u64 data,
static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
unsigned long data,
int (*handler)(struct kvm *kvm, unsigned long *rmapp,
u64 data))
unsigned long data))
{
int i, j;
int retval = 0;
@ -846,10 +849,11 @@ int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte)
{
kvm_handle_hva(kvm, hva, (u64)&pte, kvm_set_pte_rmapp);
kvm_handle_hva(kvm, hva, (unsigned long)&pte, kvm_set_pte_rmapp);
}
static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp, u64 data)
static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
unsigned long data)
{
u64 *spte;
int young = 0;

7
virt/kvm/kvm_main.c
View File

@ -2717,8 +2717,6 @@ int kvm_init(void *opaque, unsigned int vcpu_size,
int r;
int cpu;
kvm_init_debug();
r = kvm_arch_init(opaque);
if (r)
goto out_fail;
@ -2785,6 +2783,8 @@ int kvm_init(void *opaque, unsigned int vcpu_size,
kvm_preempt_ops.sched_in = kvm_sched_in;
kvm_preempt_ops.sched_out = kvm_sched_out;
kvm_init_debug();
return 0;
out_free:
@ -2807,7 +2807,6 @@ out_free_0:
out:
kvm_arch_exit();
out_fail:
kvm_exit_debug();
return r;
}
EXPORT_SYMBOL_GPL(kvm_init);
@ -2815,6 +2814,7 @@ EXPORT_SYMBOL_GPL(kvm_init);
void kvm_exit(void)
{
tracepoint_synchronize_unregister();
kvm_exit_debug();
misc_deregister(&kvm_dev);
kmem_cache_destroy(kvm_vcpu_cache);
sysdev_unregister(&kvm_sysdev);
@ -2824,7 +2824,6 @@ void kvm_exit(void)
on_each_cpu(hardware_disable, NULL, 1);
kvm_arch_hardware_unsetup();
kvm_arch_exit();
kvm_exit_debug();
free_cpumask_var(cpus_hardware_enabled);
__free_page(bad_page);
}