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dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0NyjrOVKUtJERHYquwI3alhnsVr8NB/FFZw3QugC2jw=; b=i7GPgKFZItQc+3OGBk60cxGAM 6JOguaPkkxD1XvNmp1t0tArTxpClQoZRbXV/XEu48HRZg69wbjrchYFHt9u8wWLya6zSspXneFcHO ywvIJBGZiJYVudfqT6lMxdCFKrEJPR8SciLlfoCibo5bb4jtqYoOZrRUkh9DuOjvxMYUWIIJzKNoB jsb/a2A7oD5fIALhLqXy5wOFQGT01/Na5ZiOrV4Wmy0ULH5ydWwEg8F4re91o2XVkxi0WvaUmfKIA S+xvBvtC/TfrcU3NKpL/BqHHsb+WJ9X9yAwzVVRkAsfgiqjqjMtpt0ejWdAAClZvWsXQgxSJ85mwl tbFlZaAEA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kFJ42-0007uv-1r; Mon, 07 Sep 2020 15:28:14 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kFJ0c-000625-04 for linux-arm-kernel@lists.infradead.org; Mon, 07 Sep 2020 15:24:49 +0000 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9B714217A0; Mon, 7 Sep 2020 15:24:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599492280; bh=J9c/PRVLg9vkAq63DkWstIMWTum17tiCiANXLCxWIlM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c/0egv5uey+6gJL99E6FnWbZUPEJY0G20thVR1b2doLdU4AQjOcUHlNeid2LbZLTR R3GuOvoSR4cXoBX5V2c34MeoauDws4Oy2AsXrkiyaOn86BpzcNF71mB8JRNvNpqs3O TGs4FtPctU3hY9sQKev1MNJCfa2oc1DvVcOphCfE= From: Will Deacon To: kvmarm@lists.cs.columbia.edu Subject: [PATCH v4 20/21] KVM: arm64: Remove unused 'pgd' field from 'struct kvm_s2_mmu' Date: Mon, 7 Sep 2020 16:23:43 +0100 Message-Id: <20200907152344.12978-21-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200907152344.12978-1-will@kernel.org> References: <20200907152344.12978-1-will@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200907_112442_209994_439731EF X-CRM114-Status: GOOD ( 13.58 ) X-Spam-Score: -5.3 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel-team@android.com, Gavin Shan , Suzuki Poulose , Marc Zyngier , Quentin Perret , Alexandru Elisei , James Morse , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The stage-2 page-tables are entirely encapsulated by the 'pgt' field of 'struct kvm_s2_mmu', so remove the unused 'pgd' field. Cc: Marc Zyngier Cc: Quentin Perret Reviewed-by: Gavin Shan Signed-off-by: Will Deacon --- arch/arm64/include/asm/kvm_host.h | 1 - arch/arm64/kvm/mmu.c | 2 -- 2 files changed, 3 deletions(-) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 0b7c702b2151..41caf29bd93c 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -79,7 +79,6 @@ struct kvm_s2_mmu { * for vEL1/EL0 with vHCR_EL2.VM == 0. In that case, we use the * canonical stage-2 page tables. */ - pgd_t *pgd; phys_addr_t pgd_phys; struct kvm_pgtable *pgt; diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index ba27eb537e9d..1041be1fafe4 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -389,7 +389,6 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu) mmu->kvm = kvm; mmu->pgt = pgt; mmu->pgd_phys = __pa(pgt->pgd); - mmu->pgd = (void *)pgt->pgd; mmu->vmid.vmid_gen = 0; return 0; @@ -475,7 +474,6 @@ void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu) spin_lock(&kvm->mmu_lock); pgt = mmu->pgt; if (pgt) { - mmu->pgd = NULL; mmu->pgd_phys = 0; mmu->pgt = NULL; free_percpu(mmu->last_vcpu_ran);