| Date | Tue, 30 Nov 2021 09:03:29 +0100 | Subject | Re: [PATCH 01/28] KVM: x86/mmu: Use yield-safe TDP MMU root iter in MMU notifier unmapping | From | Paolo Bonzini <> |
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On 11/20/21 05:50, Sean Christopherson wrote: > Use the yield-safe variant of the TDP MMU iterator when handling an > unmapping event from the MMU notifier, as most occurences of the event > allow yielding. > > Fixes: e1eed5847b09 ("KVM: x86/mmu: Allow yielding during MMU notifier unmap/zap, if possible") > Cc: stable@vger.kernel.org > Signed-off-by: Sean Christopherson <seanjc@google.com> > --- > arch/x86/kvm/mmu/tdp_mmu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c > index 377a96718a2e..a29ebff1cfa0 100644 > --- a/arch/x86/kvm/mmu/tdp_mmu.c > +++ b/arch/x86/kvm/mmu/tdp_mmu.c > @@ -1031,7 +1031,7 @@ bool kvm_tdp_mmu_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range, > { > struct kvm_mmu_page *root; > > - for_each_tdp_mmu_root(kvm, root, range->slot->as_id) > + for_each_tdp_mmu_root_yield_safe(kvm, root, range->slot->as_id, false) > flush |= zap_gfn_range(kvm, root, range->start, range->end, > range->may_block, flush, false); > >
Queued, thanks.
Paolo
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