From mboxrd@z Thu Jan 1 00:00:00 1970 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 8B3B1C433EF for ; Tue, 1 Feb 2022 14:24:36 +0000 (UTC) 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=7mYC3TbR3M9iXNEr3S0fIwF8PM4CGBVRULJbTc/Y0YM=; b=UBZuhM8fZegijw 58aVytF4pjeCiFVCTEmK9/wunzSUhoh1LGc8AhWo0zE57tu68ugaMUcAL73iydklESnZ1ZgzBUaPh XuwgLGV3cqh9pTk4Xz1cByIZM8qIl8P8cqateXaovX/ahj7nLlIJuk2m24Fb1B0+3d9jY9t49baBE 7d4LP3hBxmv0LkQBf2ySANzbg/sQ8ysJ+uz0hJQTpmnFjAbvrZS/LIYoY8vwtH/Zi+SMFDLtR4qeL cA7wplHrhWnIHd8lQro4Md5ck8nJC+OMWq9HwCnwf/aTa/7wLBZjzPjDymnra0234yj+qc8p9/TF5 EaWmVQVOMSi0FD0i8T6g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nEu3z-00CRMG-IL; Tue, 01 Feb 2022 14:23:19 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nEu3v-00CRKg-9J for linux-arm-kernel@lists.infradead.org; Tue, 01 Feb 2022 14:23:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=hJw4juwcXiLROD+gBZlosjCAXy9f8rYxQll2UPCK+OM=; b=Fen7RYje802p8ZXgyeoWUH5B8+ hX5lpvYwXwE2uWGhtwosFdyKJhhJ3rg09dAekRcKnZBeVScYv2Lo/yhlx8/6e9D9mfihA+C0V1wvH 6+aKKjjNPj1byS3evLbvqzxB57Gtoot0rb6X5yts3nNaTArmwF99W2RPKRShrwFBXYGLY97OH0+RM LuDVBmk40xMYkwKqneTtXAU7Xjqb94RBe5EvSgRdqCxZnTQVe0K4wQMGPNTK4RRLvTsA4Vh5i9toq ZRhx9mXi4aXih2S3skeD8tKiLQdJd47jrWmchV/XVQdIjwRlqVWfwkQ2P8IoZ2Wva6BITOoD332tI 2DhnrNoA==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:56962) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1nEu3j-0000gx-HF; Tue, 01 Feb 2022 14:23:03 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1nEu3d-00028L-0R; Tue, 01 Feb 2022 14:22:57 +0000 Date: Tue, 1 Feb 2022 14:22:56 +0000 From: "Russell King (Oracle)" To: Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Andre Przywara , Christoffer Dall , Jintack Lim , Haibo Xu , Ganapatrao Kulkarni , Chase Conklin , James Morse , Suzuki K Poulose , Alexandru Elisei , karl.heubaum@oracle.com, mihai.carabas@oracle.com, miguel.luis@oracle.com, kernel-team@android.com Subject: Re: [PATCH v6 01/64] arm64: Add ARM64_HAS_NESTED_VIRT cpufeature Message-ID: References: <20220128121912.509006-1-maz@kernel.org> <20220128121912.509006-2-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220128121912.509006-2-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220201_062315_507374_B7E4BB7B X-CRM114-Status: GOOD ( 10.63 ) 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 Fri, Jan 28, 2022 at 12:18:09PM +0000, Marc Zyngier wrote: > From: Jintack Lim > > Add a new ARM64_HAS_NESTED_VIRT feature to indicate that the > CPU has the ARMv8.3 nested virtualization capability, together > with the 'kvm-arm.mode=nested' command line option. > > This will be used to support nested virtualization in KVM. > > Signed-off-by: Jintack Lim > Signed-off-by: Andre Przywara > Signed-off-by: Christoffer Dall > [maz: moved the command-line option to kvm-arm.mode] > Signed-off-by: Marc Zyngier Reviewed-by: Russell King (Oracle) -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel