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[60.242.147.73]) by smtp.gmail.com with ESMTPSA id u12sm2003479pjc.0.2021.06.24.01.58.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jun 2021 01:58:05 -0700 (PDT) Date: Thu, 24 Jun 2021 18:58:00 +1000 From: Nicholas Piggin Subject: Re: [PATCH 3/6] KVM: x86/mmu: avoid struct page in MMU To: Aleksandar Markovic , Huacai Chen , Marc Zyngier , Paul Mackerras , Paolo Bonzini , David Stevens , Zhenyu Wang , Zhi Wang Cc: Alexandru Elisei , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, James Morse , Jim Mattson , Joerg Roedel , kvmarm@lists.cs.columbia.edu, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Sean Christopherson , Suzuki K Poulose , Vitaly Kuznetsov , Wanpeng Li , Will Deacon References: <20210624035749.4054934-1-stevensd@google.com> <20210624035749.4054934-4-stevensd@google.com> In-Reply-To: <20210624035749.4054934-4-stevensd@google.com> MIME-Version: 1.0 Message-Id: <1624524744.2sr7o7ix86.astroid@bobo.none> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210624_015807_113341_4D10A17C X-CRM114-Status: UNSURE ( 7.43 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Excerpts from David Stevens's message of June 24, 2021 1:57 pm: > From: David Stevens > out_unlock: > if (is_tdp_mmu_root(vcpu->kvm, vcpu->arch.mmu->root_hpa)) > read_unlock(&vcpu->kvm->mmu_lock); > else > write_unlock(&vcpu->kvm->mmu_lock); > - kvm_release_pfn_clean(pfn); > + if (pfnpg.page) > + put_page(pfnpg.page); > return r; > } How about kvm_release_pfn_page_clean(pfnpg); Thanks, Nick _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel