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spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=W0htjwTDYr/BHZgYh6tdW1k3pzqN7maRxcwqdGRNPTI=; b=lgd6eFE+YL+H87 cGPVuaNRGPWBu+R0rQtMSfl6qZ4DwttKWm2ply6jxJHkYl/W59izCXCvu+AmTIz8YvBQxpsnd2qe9 kMbpe3+UA7kcO0+LTQ2XPYoeL6XYuOIA6L4VfsjejW4X5/FSpkr/kWjgwxndTXMdBFkAmSJ57r+CS 1dHk5P+hpFAuXgiyBTl5BRokAxgfFpPnx5/vGxtfSiUcn7SkKpbuZKGmIPerJxfmfl9SUw+Ow+w+Z lvhyRxa6iR73NfHXO4ZK7hpH6/3Evr1A8FXwl6Bh9zqL2lUz4EYqp6O2qfCgzY4hjiUCa6GR923WY GxkEm0JwX2jWp7p47wqg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mE6Yu-009Eyv-6Q; Thu, 12 Aug 2021 08:59:40 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mE6Yp-009EyC-ED for linux-arm-kernel@lists.infradead.org; Thu, 12 Aug 2021 08:59:36 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id A969F6103A; Thu, 12 Aug 2021 08:59:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628758774; bh=4DUeuUPXJ9YkgfHJ3idaWRU8OrWSUOhWlkj96EgFH18=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lAhd5jLoeFXGjCWRzXch7wQA0ymZWKH9PdJMX0CMFloTzMB8JcCmRPTVnESvo04Uf 0A7eaN3VlakFMuAHcmi6tazp9k4YGq5Go6mvmKGRa5NJGWrEYmIDf9qt6GsUB1WKpr 3C611NqL/+qazEyhzu3BLDQThOIQAElxqPhSqVkayslanV8D580qFPkgRnigRl0ksW p5LFgGmOTspWZIAdxeCG2/4yzqJgim+jlACsKe3Vpqn8Y39O3Kd8MKt1EfJ0OkDGw3 PWScIm+TVsKwtV0K2li/OW3vCQZi9Ik9TLQ0VvamIcdgtuBG7Gn1NUcIo354/f00hH VV6d4LDlWOfwQ== Date: Thu, 12 Aug 2021 09:59:29 +0100 From: Will Deacon To: Fuad Tabba Cc: kvmarm@lists.cs.columbia.edu, maz@kernel.org, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, mark.rutland@arm.com, christoffer.dall@arm.com, pbonzini@redhat.com, drjones@redhat.com, qperret@google.com, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-team@android.com Subject: Re: [PATCH v3 07/15] KVM: arm64: Track value of cptr_el2 in struct kvm_vcpu_arch Message-ID: <20210812085929.GE5912@willie-the-truck> References: <20210719160346.609914-1-tabba@google.com> <20210719160346.609914-8-tabba@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210719160346.609914-8-tabba@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210812_015935_535564_DAAE4487 X-CRM114-Status: GOOD ( 12.91 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jul 19, 2021 at 05:03:38PM +0100, Fuad Tabba wrote: > Track the baseline guest value for cptr_el2 in struct > kvm_vcpu_arch, similar to the other registers that control traps. > Use this value when setting cptr_el2 for the guest. > > Currently this value is unchanged (CPTR_EL2_DEFAULT), but future > patches will set trapping bits based on features supported for > the guest. > > No functional change intended. > > Signed-off-by: Fuad Tabba > --- > arch/arm64/include/asm/kvm_host.h | 1 + > arch/arm64/kvm/arm.c | 1 + > arch/arm64/kvm/hyp/nvhe/switch.c | 2 +- > 3 files changed, 3 insertions(+), 1 deletion(-) Acked-by: Will Deacon Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel