Hi Paolo,
On 14/11/2 下午2:50, Paolo Bonzini wrote:
On 01/11/2014 03:49, Wanpeng Li wrote:
This is also not enough. I see the warning in the below path during the
test:
kvm_arch_vcpu_ioctl_run
-> kvm_apic_accept_events
-> kvm_vcpu_reset
Hmm, better bypass the problem altogether:
diff --git a/a
On 01/11/2014 03:49, Wanpeng Li wrote:
>
> This is also not enough. I see the warning in the below path during the
> test:
>
> kvm_arch_vcpu_ioctl_run
> -> kvm_apic_accept_events
> -> kvm_vcpu_reset
Hmm, better bypass the problem altogether:
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.
Hi Paolo,
On 14/10/31 下午6:36, Paolo Bonzini wrote:
On 31/10/2014 06:30, Chen, Tiejun wrote:
@@ -4442,6 +4442,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct msr_data apic_base_msr;
+ int idx;
vmx->rmode.vm8
Hi Paolo,
On 14/10/31 下午6:36, Paolo Bonzini wrote:
On 31/10/2014 06:30, Chen, Tiejun wrote:
@@ -4442,6 +4442,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct msr_data apic_base_msr;
+ int idx;
vmx->rmode.vm8
On 31/10/2014 06:30, Chen, Tiejun wrote:
>
> @@ -4442,6 +4442,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu)
> {
> struct vcpu_vmx *vmx = to_vmx(vcpu);
> struct msr_data apic_base_msr;
> + int idx;
>
> vmx->rmode.vm86_active = 0;
>
> @@ -4509,7 +4510,9 @@
Hi Tiejun,
On Fri, Oct 31, 2014 at 01:30:35PM +0800, Chen, Tiejun wrote:
>On 2014/10/31 12:33, Wanpeng Li wrote:
>>The srcu read lock must be held while accessing memslots (e.g.
>>when using gfn_to_* functions), however, commit c24ae0dcd3e8
>>("kvm: x86: Unpin and remove kvm_arch->apic_access_page"
On 2014/10/31 12:33, Wanpeng Li wrote:
The srcu read lock must be held while accessing memslots (e.g.
when using gfn_to_* functions), however, commit c24ae0dcd3e8
("kvm: x86: Unpin and remove kvm_arch->apic_access_page") call
gfn_to_page() in kvm_vcpu_reload_apic_access_page() w/o hold it
which l
The srcu read lock must be held while accessing memslots (e.g.
when using gfn_to_* functions), however, commit c24ae0dcd3e8
("kvm: x86: Unpin and remove kvm_arch->apic_access_page") call
gfn_to_page() in kvm_vcpu_reload_apic_access_page() w/o hold it
which leads to suspicious rcu_dereference_che
