From patchwork Wed Oct 23 14:53:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 13847200 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 778321C830E; Wed, 23 Oct 2024 14:53:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729695232; cv=none; b=OqYlZiasAYVlnl5Xi0ADOLp6jJVLBWoLty1eUDARSq/vSXFSMqJxTLcyWEWiIXvLLKvznRNdW8Pu1Luaest9RHbrMle0XEf9dywj2OWGOrlizEx11QZHeFZUCFZdmi9wCEDZ5mX4iC0xeicdskUOqr5AAHA1VQ3L+oFr9IG8cmk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729695232; c=relaxed/simple; bh=V2gaNQUIj9Ndd/20OKV+EYyMNIrQ8wsENOpxc4LklRs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=dLybthPkfa+bHqCvVr8SeBQ7j4+BojczQD5PXAmazb4lsnqUKE/ikGaCy6zGzeWfoC59p0sM+/myV9Onws2mYEepINbgiZFK1A5gETIXgOv5LmvTKyZQrgLCpbC0UTVOJfFFpUH0hXwJ4CRX/0IVPVVDq1ecBUc01ijE3tGO7Ok= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=B0B8yTgz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="B0B8yTgz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 18349C4CEEF; Wed, 23 Oct 2024 14:53:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729695232; bh=V2gaNQUIj9Ndd/20OKV+EYyMNIrQ8wsENOpxc4LklRs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B0B8yTgzGNwJHYrGwRf0JjQznwLRz2V1Bt9j9a4HhaV87egqSEeA1KQgflKtvYYA2 GCmQJGQUHXbnapg6tB/mEvkZ7uhXiHK1yUuZhStg7LqpbNa9r0pTKUo7qJQXX1Vx3N EOrApQSDffDR1e2/UkhW/PFeE1IHUu7OB1KoOrcvMyzakigDfZ22Rlflio38Zu7TPX PUfIC2o5Czw0JnG+NpUl1Z1TXhNlnMG7PSCa7gs8pEe4FMq+q9vXsjbsIIPlOWijus vRDdGZk0RUnBK8yn7iLxkaKWHdaYWxEY0PWDcMIlpEXY+Rb8EjCxM9RhULA39pSkn8 0CI+t6GTRuoPA== 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 1t3ckA-0068vz-9o; Wed, 23 Oct 2024 15:53:50 +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 v5 04/37] KVM: arm64: Drop useless struct s2_mmu in __kvm_at_s1e2() Date: Wed, 23 Oct 2024 15:53:12 +0100 Message-Id: <20241023145345.1613824-5-maz@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20241023145345.1613824-1-maz@kernel.org> References: <20241023145345.1613824-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 __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;