On Thu, 2021-12-09 at 15:45 +, Sean Christopherson wrote:
> On Thu, Dec 09, 2021, Maxim Levitsky wrote:
> > On Thu, 2021-12-09 at 15:29 +0100, Paolo Bonzini wrote:
> > > On 12/9/21 01:02, Sean Christopherson wrote:
> > > > RDX, a.k.a. ir_data is NULL. This check in svm_ir_list_add()
> > > >
On Thu, Dec 09, 2021, Maxim Levitsky wrote:
> On Thu, 2021-12-09 at 15:29 +0100, Paolo Bonzini wrote:
> > On 12/9/21 01:02, Sean Christopherson wrote:
> > > RDX, a.k.a. ir_data is NULL. This check in svm_ir_list_add()
> > >
> > > if (pi->ir_data && (pi->prev_ga_tag != 0)) {
> > >
> > >
On Thu, 2021-12-09 at 15:29 +0100, Paolo Bonzini wrote:
> On 12/9/21 01:02, Sean Christopherson wrote:
> > RDX, a.k.a. ir_data is NULL. This check in svm_ir_list_add()
> >
> > if (pi->ir_data && (pi->prev_ga_tag != 0)) {
> >
> > implies pi->ir_data can be NULL, but neither
> >
On 12/9/21 01:02, Sean Christopherson wrote:
RDX, a.k.a. ir_data is NULL. This check in svm_ir_list_add()
if (pi->ir_data && (pi->prev_ga_tag != 0)) {
implies pi->ir_data can be NULL, but neither avic_update_iommu_vcpu_affinity()
nor amd_iommu_update_ga() check ir->data for NULL.
On Thu, 2021-12-09 at 00:04 +, Sean Christopherson wrote:
> On Thu, Dec 09, 2021, Maxim Levitsky wrote:
> > Host crash while running 32 bit VM and another 32 bit VM nested in it:
> >
> > [ 751.182290] BUG: kernel NULL pointer dereference, address:
> > 0025
> > [ 751.198234]
On Wed, 2021-12-08 at 23:43 +, Sean Christopherson wrote:
> On Thu, Dec 09, 2021, Maxim Levitsky wrote:
> > > KVM: SVM: Remove unnecessary APICv/AVIC update in vCPU unblocking path
>
> ...
>
> > Probably just luck (can't reproduce this anymore) but
> > while running some kvm unit tests
On Thu, 2021-12-09 at 01:37 +, Sean Christopherson wrote:
> On Thu, Dec 09, 2021, Maxim Levitsky wrote:
> > On Thu, 2021-12-09 at 01:00 +0200, Maxim Levitsky wrote:
> > > Probably just luck (can't reproduce this anymore) but
> > > while running some kvm unit tests with this patch series (and
On Thu, Dec 09, 2021, Maxim Levitsky wrote:
> On Thu, 2021-12-09 at 01:00 +0200, Maxim Levitsky wrote:
> > Probably just luck (can't reproduce this anymore) but
> > while running some kvm unit tests with this patch series (and few my patches
> > for AVIC co-existance which shouldn't affect this) I
On Thu, Dec 09, 2021, Maxim Levitsky wrote:
> Host crash while running 32 bit VM and another 32 bit VM nested in it:
>
> [ 751.182290] BUG: kernel NULL pointer dereference, address: 0025
> [ 751.198234] #PF: supervisor read access in kernel mode
> [ 751.209982] #PF:
On Thu, Dec 09, 2021, Maxim Levitsky wrote:
> Also got this while trying a VM with passed through device:
>
> [mlevitsk@amdlaptop ~]$[ 34.926140] usb 5-3: reset full-speed USB device
> number 3 using xhci_hcd
> [ 42.583661] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some
> data
On Thu, Dec 09, 2021, Maxim Levitsky wrote:
> > KVM: SVM: Remove unnecessary APICv/AVIC update in vCPU unblocking path
...
> Probably just luck (can't reproduce this anymore) but
> while running some kvm unit tests with this patch series (and few my patches
> for AVIC co-existance which
On Thu, 2021-12-09 at 01:16 +0200, Maxim Levitsky wrote:
> On Thu, 2021-12-09 at 01:00 +0200, Maxim Levitsky wrote:
> > On Wed, 2021-12-08 at 01:52 +, Sean Christopherson wrote:
> > > Overhaul and cleanup APIC virtualization (Posted Interrupts on Intel VMX,
> > > AVIC on AMD SVM) to streamline
On Thu, 2021-12-09 at 01:00 +0200, Maxim Levitsky wrote:
> On Wed, 2021-12-08 at 01:52 +, Sean Christopherson wrote:
> > Overhaul and cleanup APIC virtualization (Posted Interrupts on Intel VMX,
> > AVIC on AMD SVM) to streamline things as much as possible, remove a bunch
> > of cruft, and
On Wed, 2021-12-08 at 01:52 +, Sean Christopherson wrote:
> Overhaul and cleanup APIC virtualization (Posted Interrupts on Intel VMX,
> AVIC on AMD SVM) to streamline things as much as possible, remove a bunch
> of cruft, and document the lurking gotchas along the way.
>
> Patch 01 is a fix
On 12/8/21 02:52, Sean Christopherson wrote:
Overhaul and cleanup APIC virtualization (Posted Interrupts on Intel VMX,
AVIC on AMD SVM) to streamline things as much as possible, remove a bunch
of cruft, and document the lurking gotchas along the way.
Patch 01 is a fix from Paolo that's already
On 12/8/21 02:52, Sean Christopherson wrote:
Overhaul and cleanup APIC virtualization (Posted Interrupts on Intel VMX,
AVIC on AMD SVM) to streamline things as much as possible, remove a bunch
of cruft, and document the lurking gotchas along the way.
Patch 01 is a fix from Paolo that's already
Overhaul and cleanup APIC virtualization (Posted Interrupts on Intel VMX,
AVIC on AMD SVM) to streamline things as much as possible, remove a bunch
of cruft, and document the lurking gotchas along the way.
Patch 01 is a fix from Paolo that's already been merged but hasn't made
its way to
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