On Thu, Sep 21, 2023, Xu Yilun wrote:
> When the invalidation acrosses multiple slots, I'm not sure if the
> contiguous HVA range must correspond to contiguous GFN range. If not,
> are we producing a larger range than required?
Multiple invalidations are all but guaranteed to yield a range that
On 2023-09-20 at 06:55:05 -0700, Sean Christopherson wrote:
> On Wed, Sep 20, 2023, Xu Yilun wrote:
> > On 2023-09-13 at 18:55:00 -0700, Sean Christopherson wrote:
> > > +void kvm_mmu_invalidate_range_add(struct kvm *kvm, gfn_t start, gfn_t
> > > end)
> > > +{
> > > +
On Wed, Sep 20, 2023, Xu Yilun wrote:
> On 2023-09-13 at 18:55:00 -0700, Sean Christopherson wrote:
> > +void kvm_mmu_invalidate_range_add(struct kvm *kvm, gfn_t start, gfn_t end)
> > +{
> > + lockdep_assert_held_write(>mmu_lock);
> > +
> > + WARN_ON_ONCE(!kvm->mmu_invalidate_in_progress);
> >
On 2023-09-13 at 18:55:00 -0700, Sean Christopherson wrote:
> From: Chao Peng
>
> Currently in mmu_notifier invalidate path, hva range is recorded and
> then checked against by mmu_notifier_retry_hva() in the page fault
^
Now it is mmu_invalidate_retry_hva().
>
On Thu, Sep 14, 2023, Binbin Wu wrote:
>
> On 9/14/2023 9:55 AM, Sean Christopherson wrote:
> > +void kvm_mmu_invalidate_end(struct kvm *kvm)
> > {
> > /*
> > * This sequence increase will notify the kvm page fault that
> > @@ -833,6 +848,13 @@ void kvm_mmu_invalidate_end(struct kvm
On 9/14/2023 9:55 AM, Sean Christopherson wrote:
From: Chao Peng
Currently in mmu_notifier invalidate path, hva range is recorded and
then checked against by mmu_notifier_retry_hva() in the page fault
handling path. However, for the to be introduced private memory, a page
fault may not have
From: Chao Peng
Currently in mmu_notifier invalidate path, hva range is recorded and
then checked against by mmu_notifier_retry_hva() in the page fault
handling path. However, for the to be introduced private memory, a page
fault may not have a hva associated, checking gfn(gpa) makes more sense.
