From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1999D288CBC for ; Mon, 21 Jul 2025 13:52:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753105980; cv=none; b=eg5tOWVlcIq355vg33soQM8V/QevF+D2LL1QnIKLevilRAxui9XYUWeJnwG3iLdMFHHiy6xTXsU1fajGUJ7Ty+8aIIXVSOJ+XWJPc39ZEw8sHka28Ivo/s17g2QqYpgK5mGTRNY0dzyDyNuTAm4IndojXOkL8+LOwp7InjU50kQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753105980; c=relaxed/simple; bh=qpeSfYxKwAjwjoxGWaw8L97AAHuomKZmHTsR2SgOeb4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tQzEKejRxsLvSkJkrvYyCEjICIJ4oXBWkt0eeL32x3QV2VLwXThC6ItFnqrgf0MSpWzz4TXb2aMQvUQ11JttoVi4raAX4PNfSPemlY2dlUGp3GnES2Idol3frTgY3iec2A4hf2LMhumX5Bv7eIu7ATfEM9hhV90k+EWVJ6JZmvo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A639C153B; Mon, 21 Jul 2025 06:52:52 -0700 (PDT) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 43CA93F66E; Mon, 21 Jul 2025 06:52:55 -0700 (PDT) Date: Mon, 21 Jul 2025 14:52:52 +0100 From: Catalin Marinas To: Marc Zyngier Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, Joey Gouly , Suzuki K Poulose , Oliver Upton , Zenghui Yu , Will Deacon Subject: Re: [PATCH 1/7] arm64: Add capability denoting FEAT_RASv1p1 Message-ID: References: <20250721101955.535159-1-maz@kernel.org> <20250721101955.535159-2-maz@kernel.org> Precedence: bulk X-Mailing-List: kvm@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: <20250721101955.535159-2-maz@kernel.org> On Mon, Jul 21, 2025 at 11:19:49AM +0100, Marc Zyngier wrote: > Detecting FEAT_RASv1p1 is rather complicated, as there are two > ways for the architecture to advertise the same thing (always a > delight...). > > Add a capability that will advertise this in a synthetic way to > the rest of the kernel. > > Signed-off-by: Marc Zyngier Acked-by: Catalin Marinas