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[35.233.69.230]) by smtp.gmail.com with ESMTPSA id h62sm2322264wmf.37.2021.03.23.02.47.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Mar 2021 02:47:52 -0700 (PDT) Date: Tue, 23 Mar 2021 09:47:50 +0000 From: Quentin Perret To: Marc Zyngier Cc: catalin.marinas@arm.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, android-kvm@google.com, seanjc@google.com, mate.toth-pal@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-team@android.com, kvmarm@lists.cs.columbia.edu, tabba@google.com, ardb@kernel.org, mark.rutland@arm.com, dbrazdil@google.com Subject: Re: [PATCH v2 3/3] KVM: arm64: Drop the CPU_FTR_REG_HYP_COPY infrastructure Message-ID: References: <20210322175639.801566-1-maz@kernel.org> <20210322175639.801566-4-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210322175639.801566-4-maz@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 22 Mar 2021 at 17:56:39 (+0000), Marc Zyngier wrote: > Now that the read_ctr macro has been specialised for nVHE, > the whole CPU_FTR_REG_HYP_COPY infrastrcture looks completely > overengineered. > > Simplify it by populating the two u64 quantities (MMFR0 and 1) > that the hypervisor need. > > Signed-off-by: Marc Zyngier Reviewed-by: Quentin Perret Thanks, Quentin From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63481C433E0 for ; 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[35.233.69.230]) by smtp.gmail.com with ESMTPSA id h62sm2322264wmf.37.2021.03.23.02.47.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Mar 2021 02:47:52 -0700 (PDT) Date: Tue, 23 Mar 2021 09:47:50 +0000 From: Quentin Perret To: Marc Zyngier Subject: Re: [PATCH v2 3/3] KVM: arm64: Drop the CPU_FTR_REG_HYP_COPY infrastructure Message-ID: References: <20210322175639.801566-1-maz@kernel.org> <20210322175639.801566-4-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210322175639.801566-4-maz@kernel.org> Cc: android-kvm@google.com, catalin.marinas@arm.com, mate.toth-pal@arm.com, tabba@google.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, seanjc@google.com, kernel-team@android.com, kvmarm@lists.cs.columbia.edu X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Monday 22 Mar 2021 at 17:56:39 (+0000), Marc Zyngier wrote: > Now that the read_ctr macro has been specialised for nVHE, > the whole CPU_FTR_REG_HYP_COPY infrastrcture looks completely > overengineered. > > Simplify it by populating the two u64 quantities (MMFR0 and 1) > that the hypervisor need. > > Signed-off-by: Marc Zyngier Reviewed-by: Quentin Perret Thanks, Quentin _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0CF8AC433C1 for ; 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[35.233.69.230]) by smtp.gmail.com with ESMTPSA id h62sm2322264wmf.37.2021.03.23.02.47.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Mar 2021 02:47:52 -0700 (PDT) Date: Tue, 23 Mar 2021 09:47:50 +0000 From: Quentin Perret To: Marc Zyngier Cc: catalin.marinas@arm.com, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, android-kvm@google.com, seanjc@google.com, mate.toth-pal@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-team@android.com, kvmarm@lists.cs.columbia.edu, tabba@google.com, ardb@kernel.org, mark.rutland@arm.com, dbrazdil@google.com Subject: Re: [PATCH v2 3/3] KVM: arm64: Drop the CPU_FTR_REG_HYP_COPY infrastructure Message-ID: References: <20210322175639.801566-1-maz@kernel.org> <20210322175639.801566-4-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210322175639.801566-4-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210323_094754_088601_22164F4C X-CRM114-Status: GOOD ( 10.07 ) 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 Monday 22 Mar 2021 at 17:56:39 (+0000), Marc Zyngier wrote: > Now that the read_ctr macro has been specialised for nVHE, > the whole CPU_FTR_REG_HYP_COPY infrastrcture looks completely > overengineered. > > Simplify it by populating the two u64 quantities (MMFR0 and 1) > that the hypervisor need. > > Signed-off-by: Marc Zyngier Reviewed-by: Quentin Perret Thanks, Quentin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel