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[35.230.65.123]) by smtp.gmail.com with ESMTPSA id o14-20020a17090a4e8e00b001e2bd411079sm9752135pjh.20.2022.06.27.09.22.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jun 2022 09:22:49 -0700 (PDT) Date: Mon, 27 Jun 2022 16:22:46 +0000 From: Sean Christopherson To: Yosry Ahmed Cc: Tejun Heo , Johannes Weiner , Zefan Li , Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Andrew Morton , Michal Hocko , Roman Gushchin , Shakeel Butt , Oliver Upton , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v5 3/4] KVM: x86/mmu: count KVM mmu usage in secondary pagetable stats. Message-ID: References: <20220606222058.86688-1-yosryahmed@google.com> <20220606222058.86688-4-yosryahmed@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220606222058.86688-4-yosryahmed@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220627_092252_848355_6E78348C X-CRM114-Status: UNSURE ( 8.56 ) 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 On Mon, Jun 06, 2022, Yosry Ahmed wrote: > Count the pages used by KVM mmu on x86 for in secondary pagetable stats. "for in" is funky. And it's worth providing a brief explanation of what the secondary pagetable stats actually are. "secondary" is confusingly close to "second level pagetables", e.g. might be misconstrued as KVM counters for the number of stage-2 / two-dimension paging page (TDP) tables. Code looks good, though it needs a rebased on kvm/queue. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel