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Thu, 07 May 2020 08:13:26 -0700 (PDT) Date: Thu, 7 May 2020 16:13:21 +0100 From: Andrew Scull To: Marc Zyngier Subject: Re: [PATCH 08/26] KVM: arm64: Use TTL hint in when invalidating stage-2 translations Message-ID: <20200507151321.GH237572@google.com> References: <20200422120050.3693593-1-maz@kernel.org> <20200422120050.3693593-9-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200422120050.3693593-9-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200507_081328_873345_FEE84F51 X-CRM114-Status: GOOD ( 10.03 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm@vger.kernel.org, Andre Przywara , kvmarm@lists.cs.columbia.edu, George Cherian , "Zengtao \(B\)" , Catalin Marinas , Will Deacon , Dave Martin , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org > @@ -176,7 +177,7 @@ static void clear_stage2_pud_entry(struct kvm_s2_mmu *mmu, pud_t *pud, phys_addr > pmd_t *pmd_table __maybe_unused = stage2_pmd_offset(kvm, pud, 0); > VM_BUG_ON(stage2_pud_huge(kvm, *pud)); > stage2_pud_clear(kvm, pud); > - kvm_tlb_flush_vmid_ipa(mmu, addr); > + kvm_tlb_flush_vmid_ipa(mmu, addr, S2_NO_LEVEL_HINT); > stage2_pmd_free(kvm, pmd_table); > put_page(virt_to_page(pud)); > } > @@ -186,7 +187,7 @@ static void clear_stage2_pmd_entry(struct kvm_s2_mmu *mmu, pmd_t *pmd, phys_addr > pte_t *pte_table = pte_offset_kernel(pmd, 0); > VM_BUG_ON(pmd_thp_or_huge(*pmd)); > pmd_clear(pmd); > - kvm_tlb_flush_vmid_ipa(mmu, addr); > + kvm_tlb_flush_vmid_ipa(mmu, addr, S2_NO_LEVEL_HINT); > free_page((unsigned long)pte_table); > put_page(virt_to_page(pmd)); > } Going by the names, is it possible to give a better level hint for these cases? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel