From patchwork Wed Oct 9 18:59:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 13829124 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 956DBCEE343 for ; Wed, 9 Oct 2024 19:05:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ngteDkwX9NpDZdFOcQPifmAdhkHyYdZoglWEcX2W8qM=; b=wNeTnSecQTvP00ShawfD1Bmi82 HJWFYoN0ElqOjflHCJnF6AaOIzFJFSS3HFlDOuqsZtKPEkLVprMULvlCs/txTbnBJxkvZL/mi13Ce 7lUkBvd7eOaE1kIFZlJ43KhOnTLEsNKgx9RNqKsAZ0CmOY7UO0YT+02QwU80x4YHyqkqdxMCV1KfD JrZM8YwcW/EBnSld9h1/BVlSfViZs3g7eE/PdNrHjvFVC9LplVLcLHM759Dql1daFZJayo9qy6VyP SEYv09B+XauZ6kLkeCFrlIHHVfHDNR/adtAZzaG3wf05eVcAxV0VLop2Fgn8qNYoTXfiGR0NPit/+ eECGgtPA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1syc03-0000000ASgM-0Bno; Wed, 09 Oct 2024 19:05:31 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1sybvS-0000000ARGf-093C for linux-arm-kernel@lists.infradead.org; Wed, 09 Oct 2024 19:00:48 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id AD6B9A4444C; Wed, 9 Oct 2024 19:00:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 401FAC4CED5; Wed, 9 Oct 2024 19:00:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728500443; bh=V2gaNQUIj9Ndd/20OKV+EYyMNIrQ8wsENOpxc4LklRs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JVzd1RmVUIIgb5Cs80NI2gS8BpMp2i1UY65TxJPgFZEJKN7BU2lCbP268L3soj+zW MUT+VcnnloSG0IT5tBkbvUjbdojT4VT0Cqgc3Iq/bi2A2v2M6wl9Z+yV1aClFwuksm XKUV18BnQH5QVve0+tieqNNGtAJUtNpC7nZz15MvwxtZr37DasZzeMz4fQ3TZVT9Bh 055eySESuM/mShecbryv5/wU/n0eOigHSIfkIpounHi3SmO1rCRgV3yro95NINfjnr 3wHevilbViUl76EbWMs+c+3FeVz+57lOabCta25kc7UYDYprAIZZZRr+D6TFhgmh89 zN3z1hDjlPwxg== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1sybvN-001wcY-DK; Wed, 09 Oct 2024 20:00:41 +0100 From: Marc Zyngier To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Alexandru Elisei , Mark Brown Subject: [PATCH v4 04/36] KVM: arm64: Drop useless struct s2_mmu in __kvm_at_s1e2() Date: Wed, 9 Oct 2024 19:59:47 +0100 Message-Id: <20241009190019.3222687-5-maz@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20241009190019.3222687-1-maz@kernel.org> References: <20241009190019.3222687-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, yuzenghui@huawei.com, alexandru.elisei@arm.com, broonie@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241009_120046_585333_7137C0E9 X-CRM114-Status: GOOD ( 10.51 ) 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 __kvm_at_s1e2() contains the definition of an s2_mmu for the current context, but doesn't make any use of it. Drop it. Signed-off-by: Marc Zyngier --- arch/arm64/kvm/at.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/arm64/kvm/at.c b/arch/arm64/kvm/at.c index 39f0e87a340e8..f04677127fbc0 100644 --- a/arch/arm64/kvm/at.c +++ b/arch/arm64/kvm/at.c @@ -992,12 +992,9 @@ void __kvm_at_s1e2(struct kvm_vcpu *vcpu, u32 op, u64 vaddr) * switching context behind everybody's back, disable interrupts... */ scoped_guard(write_lock_irqsave, &vcpu->kvm->mmu_lock) { - struct kvm_s2_mmu *mmu; u64 val, hcr; bool fail; - mmu = &vcpu->kvm->arch.mmu; - val = hcr = read_sysreg(hcr_el2); val &= ~HCR_TGE; val |= HCR_VM;