summaryrefslogtreecommitdiff
path: root/virt
diff options
context:
space:
mode:
authorSean Christopherson <sean.j.christopherson@intel.com>2022-08-10 23:24:37 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-08-21 15:16:24 +0200
commita4c94205ba79216ea80663801202f9dbbb3af89d (patch)
treecd1e563eb203c9f5af77b4e5477f6399fb389c3c /virt
parent7018f03d97daf344e49b16200caf4363a1407cab (diff)
KVM: Add infrastructure and macro to mark VM as bugged
commit 0b8f11737cffc1a406d1134b58687abc29d76b52 upstream Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <3a0998645c328bf0895f1290e61821b70f048549.1625186503.git.isaku.yamahata@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> [SG: Adjusted context for kernel version 5.10] Signed-off-by: Stefan Ghinea <stefan.ghinea@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 421b0ff72b46..578235291e92 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3264,7 +3264,7 @@ static long kvm_vcpu_ioctl(struct file *filp,
struct kvm_fpu *fpu = NULL;
struct kvm_sregs *kvm_sregs = NULL;
- if (vcpu->kvm->mm != current->mm)
+ if (vcpu->kvm->mm != current->mm || vcpu->kvm->vm_bugged)
return -EIO;
if (unlikely(_IOC_TYPE(ioctl) != KVMIO))
@@ -3470,7 +3470,7 @@ static long kvm_vcpu_compat_ioctl(struct file *filp,
void __user *argp = compat_ptr(arg);
int r;
- if (vcpu->kvm->mm != current->mm)
+ if (vcpu->kvm->mm != current->mm || vcpu->kvm->vm_bugged)
return -EIO;
switch (ioctl) {
@@ -3536,7 +3536,7 @@ static long kvm_device_ioctl(struct file *filp, unsigned int ioctl,
{
struct kvm_device *dev = filp->private_data;
- if (dev->kvm->mm != current->mm)
+ if (dev->kvm->mm != current->mm || dev->kvm->vm_bugged)
return -EIO;
switch (ioctl) {
@@ -3755,7 +3755,7 @@ static long kvm_vm_ioctl(struct file *filp,
void __user *argp = (void __user *)arg;
int r;
- if (kvm->mm != current->mm)
+ if (kvm->mm != current->mm || kvm->vm_bugged)
return -EIO;
switch (ioctl) {
case KVM_CREATE_VCPU:
@@ -3960,7 +3960,7 @@ static long kvm_vm_compat_ioctl(struct file *filp,
struct kvm *kvm = filp->private_data;
int r;
- if (kvm->mm != current->mm)
+ if (kvm->mm != current->mm || kvm->vm_bugged)
return -EIO;
switch (ioctl) {
#ifdef CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT