Commit 75333772 authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini
Browse files

KVM: x86/mmu: Use yield-safe TDP MMU root iter in MMU notifier unmapping 



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: e1eed584 ("KVM: x86/mmu: Allow yielding during MMU notifier unmap/zap, if possible")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Message-Id: <20211120015008.3780032-1-seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 05b29633

arch/x86/kvm/mmu/tdp_mmu.c

+1 −1
Original line number Diff line number Diff line
@@ -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);