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Tue, 06 Oct 2026 09:21:00 +0000 Date: Tue, 06 Oct 2026 10:24:06 +0100 Message-ID: <87a4or2nd5.wl-maz@kernel.org> From: Marc Zyngier To: Suzuki K Poulose Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev, will@kernel.org, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, steven.price@arm.com, aneesh.kumar@kernel.org, oupton@kernel.org, gshan@redhat.com, joey.gouly@arm.com, tabba@google.com, yuzenghui@huawei.com, linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com, sdonthineni@nvidia.com, alpergun@google.com, fj0570is@fujitsu.com, WeiLin.Chang@arm.com, lpieralisi@kernel.org, enju.kohei@fujitsu.com, sudeep.holla@arm.com, jonathan.cameron@oss.qualcomm.com Subject: Re: [PATCH v22 11/23] KVM: arm64: Add VM specific callback for S2 MMU operations In-Reply-To: <20261005090754.2140522-12-suzuki.poulose@arm.com> References: <20261005090754.2140522-1-suzuki.poulose@arm.com> <20261005090754.2140522-12-suzuki.poulose@arm.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: suzuki.poulose@arm.com, kvm@vger.kernel.org, kvmarm@lists.linux.dev, will@kernel.org, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, steven.price@arm.com, aneesh.kumar@kernel.org, oupton@kernel.org, gshan@redhat.com, joey.gouly@arm.com, tabba@google.com, yuzenghui@huawei.com, linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com, sdonthineni@nvidia.com, alpergun@google.com, fj0570is@fujitsu.com, WeiLin.Chang@arm.com, lpieralisi@kernel.org, enju.kohei@fujitsu.com, sudeep.holla@arm.com, jonathan.cameron@oss.qualcomm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 05 Oct 2026 10:07:42 +0100, Suzuki K Poulose wrote: > > Add VM type specific S2 MMU operation backends which can be initialized per > VM flavor, to keep the handling cleaner. > > Signed-off-by: Suzuki K Poulose > --- > Change since v21: > - Define all vm_s2_ops call back. All calls are mandatory. > - Define callback for each flavor, disjointing the non-protetcted pKVM and > normal KVM (VHE & nVHE) and remove the KVM_PGT_FN() hacks. It is a bit annoying that we still have part of the operations being indirected by kvm_vm_s2_ops, and others by KVM_PGT_FN(), which is still there. I was hoping that we'd have only one indirection. after this patch. M. -- Jazz isn't dead. It just smells funny.