Messages in this thread Patch in this message | | | From | "Hou Wenlong" <> | Subject | [PATCH v2 6/6] KVM: x86/mmu: Use 1 as the size of gfn range for tlb flushing in FNAME(invlpg)() | Date | Wed, 24 Aug 2022 17:29:23 +0800 |
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Only SP with PG_LEVLE_4K level could be unsync, so the size of gfn range must be 1.
Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com> --- arch/x86/kvm/mmu/paging_tmpl.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h index 04149c704d5b..486a3163b1e4 100644 --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -937,7 +937,8 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva, hpa_t root_hpa) mmu_page_zap_pte(vcpu->kvm, sp, sptep, NULL); if (is_shadow_present_pte(old_spte)) - kvm_flush_remote_tlbs_sptep(vcpu->kvm, sptep); + kvm_flush_remote_tlbs_gfn(vcpu->kvm, + kvm_mmu_page_get_gfn(sp, sptep - sp->spt), 1); if (!rmap_can_add(vcpu)) break; -- 2.31.1
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