From mboxrd@z Thu Jan 1 00:00:00 1970 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 DD9696AC0 for ; Fri, 17 Mar 2023 15:08:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 470F4C433D2; Fri, 17 Mar 2023 15:08:01 +0000 (UTC) Date: Fri, 17 Mar 2023 15:07:58 +0000 From: Catalin Marinas To: Kristina Martsenko Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, Will Deacon , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Mark Rutland , Mark Brown , Luis Machado , Vladimir Murzin , linux-kernel@vger.kernel.org Subject: Re: [PATCH 05/10] arm64: mops: don't disable host MOPS instructions from EL2 Message-ID: References: <20230216160012.272345-1-kristina.martsenko@arm.com> <20230216160012.272345-6-kristina.martsenko@arm.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230216160012.272345-6-kristina.martsenko@arm.com> On Thu, Feb 16, 2023 at 04:00:07PM +0000, Kristina Martsenko wrote: > To allow nVHE host EL0 and EL1 to use FEAT_MOPS instructions, configure > EL2 to not cause these instructions to be treated as UNDEFINED. A VHE > host is unaffected by this control. > > Signed-off-by: Kristina Martsenko Reviewed-by: Catalin Marinas