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Tue, 15 Aug 2023 15:31:31 -0700 (PDT) Date: Tue, 15 Aug 2023 15:31:29 -0700 In-Reply-To: <20230811045127.3308641-7-rananta@google.com> Mime-Version: 1.0 References: <20230811045127.3308641-1-rananta@google.com> <20230811045127.3308641-7-rananta@google.com> Message-ID: Subject: Re: [PATCH v9 06/14] KVM: Move kvm_arch_flush_remote_tlbs_memslot() to common code From: Sean Christopherson To: Raghavendra Rao Ananta Cc: Oliver Upton , Marc Zyngier , James Morse , Suzuki K Poulose , Paolo Bonzini , Huacai Chen , Zenghui Yu , Anup Patel , Atish Patra , Jing Zhang , Reiji Watanabe , Colton Lewis , David Matlack , Fuad Tabba , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Gavin Shan , Shaoqin Huang X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230815_153133_561876_73FA709A X-CRM114-Status: GOOD ( 15.64 ) 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 Fri, Aug 11, 2023, Raghavendra Rao Ananta wrote: > From: David Matlack > > Move kvm_arch_flush_remote_tlbs_memslot() to common code and drop > "arch_" from the name. kvm_arch_flush_remote_tlbs_memslot() is just a > range-based TLB invalidation where the range is defined by the memslot. > Now that kvm_flush_remote_tlbs_range() can be called from common code we > can just use that and drop a bunch of duplicate code from the arch > directories. > > Note this adds a lockdep assertion for slots_lock being held when > calling kvm_flush_remote_tlbs_memslot(), which was previously only > asserted on x86. MIPS has calls to kvm_flush_remote_tlbs_memslot(), > but they all hold the slots_lock, so the lockdep assertion continues to > hold true. > > Also drop the CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT ifdef gating > kvm_flush_remote_tlbs_memslot(), since it is no longer necessary. > > Signed-off-by: David Matlack > Signed-off-by: Raghavendra Rao Ananta > Reviewed-by: Gavin Shan > Reviewed-by: Shaoqin Huang > Acked-by: Anup Patel > --- Acked-by: Sean Christopherson _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel