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authorDave Airlie <airlied@redhat.com>2013-06-27 20:40:44 +1000
committerDave Airlie <airlied@redhat.com>2013-06-27 20:40:44 +1000
commit4300a0f8bdcce5a03b88bfa16fc9827e15c52dc4 (patch)
treedea0276d7d0a12147f04ddbef9121e32e903c5ca /arch/arm/kvm/arm.c
parent160954b7bca43da7cd3cfbce310e6df919a8216e (diff)
parent9e895ace5d82df8929b16f58e9f515f6d54ab82d (diff)
Merge tag 'v3.10-rc7' into drm-next
Linux 3.10-rc7 The sdvo lvds fix in this -fixes pull commit c3456fb3e4712d0448592af3c5d644c9472cd3c1 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Mon Jun 10 09:47:58 2013 +0200 drm/i915: prefer VBT modes for SVDO-LVDS over EDID has a silent functional conflict with commit 990256aec2f10800595dddf4d1c3441fcd6b2616 Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Fri May 31 12:17:07 2013 +0000 drm: Add probed modes in probe order in drm-next. W simply need to add the vbt modes before edid modes, i.e. the other way round than now. Conflicts: drivers/gpu/drm/drm_prime.c drivers/gpu/drm/i915/intel_sdvo.c
Diffstat (limited to 'arch/arm/kvm/arm.c')
-rw-r--r--arch/arm/kvm/arm.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 37d216d814c..ef1703b9587 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -492,6 +492,11 @@ static void vcpu_pause(struct kvm_vcpu *vcpu)
wait_event_interruptible(*wq, !vcpu->arch.pause);
}
+static int kvm_vcpu_initialized(struct kvm_vcpu *vcpu)
+{
+ return vcpu->arch.target >= 0;
+}
+
/**
* kvm_arch_vcpu_ioctl_run - the main VCPU run function to execute guest code
* @vcpu: The VCPU pointer
@@ -508,8 +513,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
int ret;
sigset_t sigsaved;
- /* Make sure they initialize the vcpu with KVM_ARM_VCPU_INIT */
- if (unlikely(vcpu->arch.target < 0))
+ if (unlikely(!kvm_vcpu_initialized(vcpu)))
return -ENOEXEC;
ret = kvm_vcpu_first_run_init(vcpu);
@@ -710,6 +714,10 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
case KVM_SET_ONE_REG:
case KVM_GET_ONE_REG: {
struct kvm_one_reg reg;
+
+ if (unlikely(!kvm_vcpu_initialized(vcpu)))
+ return -ENOEXEC;
+
if (copy_from_user(&reg, argp, sizeof(reg)))
return -EFAULT;
if (ioctl == KVM_SET_ONE_REG)
@@ -722,6 +730,9 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
struct kvm_reg_list reg_list;
unsigned n;
+ if (unlikely(!kvm_vcpu_initialized(vcpu)))
+ return -ENOEXEC;
+
if (copy_from_user(&reg_list, user_list, sizeof(reg_list)))
return -EFAULT;
n = reg_list.n;