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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-09-22 11:26:27 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-09-22 11:26:27 -0400
commitddfb43f3881edb47aa0083651ad31983cdc42c33 (patch)
tree7128cb13b599d2903a4deb05bbae37508b1c261e /arch/x86/kvm/x86.c
parent2d6d649a2e0fa0268c0d03d5b1d330ca7907d33c (diff)
parent5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)
downloadop-kernel-dev-ddfb43f3881edb47aa0083651ad31983cdc42c33.zip
op-kernel-dev-ddfb43f3881edb47aa0083651ad31983cdc42c33.tar.gz
Merge tag 'v3.6-rc6' into for-3.7
Linux 3.6-rc6 has all our bug fixes. Conflicts (trivial overlap): sound/soc/omap/am3517evm.c
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 148ed66..2966c84 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5113,17 +5113,20 @@ static void post_kvm_run_save(struct kvm_vcpu *vcpu)
!kvm_event_needs_reinjection(vcpu);
}
-static void vapic_enter(struct kvm_vcpu *vcpu)
+static int vapic_enter(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
struct page *page;
if (!apic || !apic->vapic_addr)
- return;
+ return 0;
page = gfn_to_page(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT);
+ if (is_error_page(page))
+ return -EFAULT;
vcpu->arch.apic->vapic_page = page;
+ return 0;
}
static void vapic_exit(struct kvm_vcpu *vcpu)
@@ -5430,7 +5433,11 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
}
vcpu->srcu_idx = srcu_read_lock(&kvm->srcu);
- vapic_enter(vcpu);
+ r = vapic_enter(vcpu);
+ if (r) {
+ srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx);
+ return r;
+ }
r = 1;
while (r > 0) {
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