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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-22 14:27:36 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-22 14:27:36 -0400
commit3dc8d7f07e7496c0c6702e7e4b1acc179fa94019 (patch)
treef4ba37e2b0bb88e870df963f7a36b93fc733d846 /arch/x86
parent4238a417a91643e1162a98770288f630e37f0484 (diff)
parent6b5d7a9f6f7ff0e096829c1d82f70d5a6066b889 (diff)
Merge branch 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: PIT: free irq source id in handling error path KVM: destroy workqueue on kvm_create_pit() failures KVM: fix poison overwritten caused by using wrong xstate size
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/i387.c1
-rw-r--r--arch/x86/kvm/i8254.c3
-rw-r--r--arch/x86/kvm/x86.c4
3 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 1f11f5ce668f..a46cb3522c0c 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -40,6 +40,7 @@
40 40
41static unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu; 41static unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu;
42unsigned int xstate_size; 42unsigned int xstate_size;
43EXPORT_SYMBOL_GPL(xstate_size);
43unsigned int sig_xstate_ia32_size = sizeof(struct _fpstate_ia32); 44unsigned int sig_xstate_ia32_size = sizeof(struct _fpstate_ia32);
44static struct i387_fxsave_struct fx_scratch __cpuinitdata; 45static struct i387_fxsave_struct fx_scratch __cpuinitdata;
45 46
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 0fd6378981f4..ddeb2314b522 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -697,6 +697,7 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags)
697 pit->wq = create_singlethread_workqueue("kvm-pit-wq"); 697 pit->wq = create_singlethread_workqueue("kvm-pit-wq");
698 if (!pit->wq) { 698 if (!pit->wq) {
699 mutex_unlock(&pit->pit_state.lock); 699 mutex_unlock(&pit->pit_state.lock);
700 kvm_free_irq_source_id(kvm, pit->irq_source_id);
700 kfree(pit); 701 kfree(pit);
701 return NULL; 702 return NULL;
702 } 703 }
@@ -742,7 +743,7 @@ fail:
742 kvm_unregister_irq_mask_notifier(kvm, 0, &pit->mask_notifier); 743 kvm_unregister_irq_mask_notifier(kvm, 0, &pit->mask_notifier);
743 kvm_unregister_irq_ack_notifier(kvm, &pit_state->irq_ack_notifier); 744 kvm_unregister_irq_ack_notifier(kvm, &pit_state->irq_ack_notifier);
744 kvm_free_irq_source_id(kvm, pit->irq_source_id); 745 kvm_free_irq_source_id(kvm, pit->irq_source_id);
745 746 destroy_workqueue(pit->wq);
746 kfree(pit); 747 kfree(pit);
747 return NULL; 748 return NULL;
748} 749}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 25f19078b321..3a09c625d526 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2387,7 +2387,7 @@ static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu,
2387 if (cpu_has_xsave) 2387 if (cpu_has_xsave)
2388 memcpy(guest_xsave->region, 2388 memcpy(guest_xsave->region,
2389 &vcpu->arch.guest_fpu.state->xsave, 2389 &vcpu->arch.guest_fpu.state->xsave,
2390 sizeof(struct xsave_struct)); 2390 xstate_size);
2391 else { 2391 else {
2392 memcpy(guest_xsave->region, 2392 memcpy(guest_xsave->region,
2393 &vcpu->arch.guest_fpu.state->fxsave, 2393 &vcpu->arch.guest_fpu.state->fxsave,
@@ -2405,7 +2405,7 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu,
2405 2405
2406 if (cpu_has_xsave) 2406 if (cpu_has_xsave)
2407 memcpy(&vcpu->arch.guest_fpu.state->xsave, 2407 memcpy(&vcpu->arch.guest_fpu.state->xsave,
2408 guest_xsave->region, sizeof(struct xsave_struct)); 2408 guest_xsave->region, xstate_size);
2409 else { 2409 else {
2410 if (xstate_bv & ~XSTATE_FPSSE) 2410 if (xstate_bv & ~XSTATE_FPSSE)
2411 return -EINVAL; 2411 return -EINVAL;