aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-22 11:27:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-22 11:27:36 -0700
commit3dc8d7f07e7496c0c6702e7e4b1acc179fa94019 (patch)
treef4ba37e2b0bb88e870df963f7a36b93fc733d846 /arch
parent4238a417a91643e1162a98770288f630e37f0484 (diff)
parent6b5d7a9f6f7ff0e096829c1d82f70d5a6066b889 (diff)
downloadlinux-linaro-android-3dc8d7f07e7496c0c6702e7e4b1acc179fa94019.tar.gz
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')
-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 1f11f5ce668..a46cb3522c0 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -40,6 +40,7 @@
static unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu;
unsigned int xstate_size;
+EXPORT_SYMBOL_GPL(xstate_size);
unsigned int sig_xstate_ia32_size = sizeof(struct _fpstate_ia32);
static struct i387_fxsave_struct fx_scratch __cpuinitdata;
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 0fd6378981f..ddeb2314b52 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)
pit->wq = create_singlethread_workqueue("kvm-pit-wq");
if (!pit->wq) {
mutex_unlock(&pit->pit_state.lock);
+ kvm_free_irq_source_id(kvm, pit->irq_source_id);
kfree(pit);
return NULL;
}
@@ -742,7 +743,7 @@ fail:
kvm_unregister_irq_mask_notifier(kvm, 0, &pit->mask_notifier);
kvm_unregister_irq_ack_notifier(kvm, &pit_state->irq_ack_notifier);
kvm_free_irq_source_id(kvm, pit->irq_source_id);
-
+ destroy_workqueue(pit->wq);
kfree(pit);
return NULL;
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 25f19078b32..3a09c625d52 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,
if (cpu_has_xsave)
memcpy(guest_xsave->region,
&vcpu->arch.guest_fpu.state->xsave,
- sizeof(struct xsave_struct));
+ xstate_size);
else {
memcpy(guest_xsave->region,
&vcpu->arch.guest_fpu.state->fxsave,
@@ -2405,7 +2405,7 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu,
if (cpu_has_xsave)
memcpy(&vcpu->arch.guest_fpu.state->xsave,
- guest_xsave->region, sizeof(struct xsave_struct));
+ guest_xsave->region, xstate_size);
else {
if (xstate_bv & ~XSTATE_FPSSE)
return -EINVAL;