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 C523520E030; Fri, 10 Jan 2025 13:15:51 +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=1736514951; cv=none; b=P3nwEfQXdT4VTUXbWF5xqzs7iYmk1NAsXxY1SfCi0yhi9QYgX6xoiF+CP9gUtzHqrgZS+OoDJ+ycetY6UoMoqfswcCvizfxM8HddelZSGxt6l+fWA/BGmvydFsfiztp1Ky0XcGZZraIU1JsGgYfAHYFJq+JGZNOrXiQvpn3XBoc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736514951; c=relaxed/simple; bh=dQCOdZRGnjBtaZDEqHo5YmfoSv+DEbTUQJY9M9fyED4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NbhLYxTIOMG493SNcBeztSob+6U3w+qSTwkCr/4Npv2eM36J7THRyaq66N3CDcj3D4VbbLS71HyMFiz4PHo8FUpPR5aMv3YtWxQbe+KmKBZYpO/2K6quKmZo5/fGgKZZgaE+A2z6IOU1yGtwaT9THp4vi4GkSEXPAxBZxP9xyhY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1FEFEC4CED6; Fri, 10 Jan 2025 13:15:48 +0000 (UTC) Date: Fri, 10 Jan 2025 13:15:46 +0000 From: Catalin Marinas To: "Aneesh Kumar K.V (Arm)" Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, Suzuki K Poulose , Steven Price , Will Deacon , Marc Zyngier , Mark Rutland , Oliver Upton , Joey Gouly , Zenghui Yu Subject: Re: [PATCH v2 3/7] arm64: cpufeature: add Allocation Tag Access Permission (MTE_PERM) feature Message-ID: References: <20250110110023.2963795-1-aneesh.kumar@kernel.org> <20250110110023.2963795-4-aneesh.kumar@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250110110023.2963795-4-aneesh.kumar@kernel.org> On Fri, Jan 10, 2025 at 04:30:19PM +0530, Aneesh Kumar K.V (Arm) wrote: > This indicates if the system supports MTE_PERM. This will be used by KVM > for stage 2 mapping. This is a CPUCAP_SYSTEM feature because if we enable > the feature all cpus must have it. > > Cc: Catalin Marinas > Cc: Will Deacon > Signed-off-by: Aneesh Kumar K.V (Arm) Reviewed-by: Catalin Marinas