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 9FA38C433EF for ; Fri, 28 Jan 2022 16:52:39 +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=YuvqihwZX08txPPRNwCrdJZXc9SNhz1nkblulcqNQWY=; b=WR/4Es5jnD6c0z szc8Nm4P6wAPZjvd2dzTRQ8/x1KRm1qYpHthIXInBRvIsEsJygDZVsF7NvZ4mNty4uOZluQmtJoZ3 /MWhXSBOGoJiBy8LjtBLTWfOmx/PufBTLQXhC4z5cq8njgdX+h1ucbnrdzlvF/TomtQ1O6y2Pj4nI UBr9tLHFolbltz4SnV1PSnYvqIoiYFCcgmQIqbFydWFZUjbJ6XlatM5VdNPrmyBo6FPMrKh8lii/5 Uh9iQhGPWpitQSgrgSzi3VMhaRb9m7r0ktCN7AEmQBtHa/vdPR4eBeDrU5R04yQ1Ia5gtSYqP1xyV tyjJZ1Ig49MW4V0NzTsg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nDUT9-003519-10; Fri, 28 Jan 2022 16:51:27 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nDUT6-00350o-9p for linux-arm-kernel@lists.infradead.org; Fri, 28 Jan 2022 16:51:25 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id DD89B60A0F; Fri, 28 Jan 2022 16:51:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29E85C340E0; Fri, 28 Jan 2022 16:51:21 +0000 (UTC) Date: Fri, 28 Jan 2022 16:51:18 +0000 From: Catalin Marinas To: Mark Brown Cc: Will Deacon , Joey Gouly , Branislav Rankov , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v1 3/4] arm64/mte: Add hwcap for asymmetric mode Message-ID: References: <20220127195712.748150-1-broonie@kernel.org> <20220127195712.748150-4-broonie@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220127195712.748150-4-broonie@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220128_085124_402168_70003C1F X-CRM114-Status: GOOD ( 13.36 ) 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 Thu, Jan 27, 2022 at 07:57:11PM +0000, Mark Brown wrote: > diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst > index b72ff17d600a..a8f30963e550 100644 > --- a/Documentation/arm64/elf_hwcaps.rst > +++ b/Documentation/arm64/elf_hwcaps.rst > @@ -259,6 +259,11 @@ HWCAP2_RPRES > > Functionality implied by ID_AA64ISAR2_EL1.RPRES == 0b0001. > > +HWCAP2_MTE3 > + > + Functionality implied by ID_AA64PFR1_EL1.MTE == 0b0011, as described > + by Documentation/arm64/memory-tagging-extension.rst. In hindsight, we should have called the other HWCAP2_MTE2 but since we decided not to expose MTE == 0b0001 to user, we removed the '2'. Anyway, I'm fine with HWCAP2_MTE3. Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel