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Thu, 18 Jun 2026 02:01:31 -0700 (PDT) Date: Thu, 18 Jun 2026 10:01:26 +0100 In-Reply-To: <20260618090128.3913688-1-tabba@google.com> Mime-Version: 1.0 References: <20260618090128.3913688-1-tabba@google.com> X-Mailer: git-send-email 2.54.0.1189.g8c84645362-goog Message-ID: <20260618090128.3913688-2-tabba@google.com> Subject: [PATCH 1/3] KVM: arm64: Drop the unused EL2-side is_created write From: Fuad Tabba To: Marc Zyngier , Oliver Upton , Catalin Marinas , Will Deacon Cc: Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , Vincent Donnefort , Keir Fraser , Hyunwoo Kim , Fuad Tabba , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260618_020134_302192_4B3CC9AC X-CRM114-Status: GOOD ( 10.59 ) 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 init_pkvm_hyp_vm() sets is_created on the EL2-private VM struct, but the hypervisor never reads it: pkvm_hyp_vm_is_created() and every other consumer operate on the host's struct kvm, a distinct allocation from the EL2-private copy. The field is write-only at EL2. Remove the store; host-side is_created tracking is unaffected. Signed-off-by: Fuad Tabba --- arch/arm64/kvm/hyp/nvhe/pkvm.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/kvm/hyp/nvhe/pkvm.c b/arch/arm64/kvm/hyp/nvhe/pkvm.c index eb1c10120f9f..30dd4b2afc26 100644 --- a/arch/arm64/kvm/hyp/nvhe/pkvm.c +++ b/arch/arm64/kvm/hyp/nvhe/pkvm.c @@ -433,7 +433,6 @@ static void init_pkvm_hyp_vm(struct kvm *host_kvm, struct pkvm_hyp_vm *hyp_vm, hyp_vm->host_kvm = host_kvm; hyp_vm->kvm.created_vcpus = nr_vcpus; hyp_vm->kvm.arch.pkvm.is_protected = READ_ONCE(host_kvm->arch.pkvm.is_protected); - hyp_vm->kvm.arch.pkvm.is_created = true; hyp_vm->kvm.arch.flags = 0; pkvm_init_features_from_host(hyp_vm, host_kvm); -- 2.54.0.1189.g8c84645362-goog