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 78779C83F26 for ; Mon, 21 Jul 2025 16:42:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id: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-Owner; bh=sWjq6pXFkdawmIxjak8O9xDSYwwcHPn9N+6mxkbF2eA=; b=YIW3vlDgaZPwhpipsQ7RSk2XAA NeD/vO2s1u8roQCqKmn4CsHa20V/+WbgkrfTID8Rtc5FoviIU20p+Wu4lIfGIcUjqvrpI8kTzP5kf zHvv2d09hQxZV2/mQAqMrVIyK8re2XzM17Ktj4sRuU5K+3nVpGqb9fwaYMeNuCyQaGcBGdN9zOodN 1nWXGxFSGCyIjIYE2OpKKh6MHIPAljo7yuf7XaTvDiwe2zGh3cNvymoUIaa26y8mlxZLLEuZ/BteE PpSUA8RhGFs9ABdqPtd1DxLAeCvIZ0tp4ikYTHUkhAKUp6AbMW2+NGmzQZWHsJscol9o7BqVb9+A8 vN+tkPgQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1udtay-00000000Bob-1JTZ; Mon, 21 Jul 2025 16:42:32 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1udqwv-0000000HRAL-02r6 for linux-arm-kernel@lists.infradead.org; Mon, 21 Jul 2025 13:53:02 +0000 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250721101955.535159-2-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250721_065301_086028_0DCAC8DC X-CRM114-Status: GOOD ( 10.07 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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