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 EE5CEE77197 for ; Tue, 7 Jan 2025 15:41:01 +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=YnuDZR6kb6Vo6DMVx/NjTYtYPWXwF+qLOBfi29+1rzk=; b=Jp5m8mI+Ky0VyYS0gCa0pvKcSj 6gStnYkgpOi+0rtp6cpik8VjdA/r1Jx/msl5WpBR921mF4IsFFO63ynE1G6cMXobHWMQY3glL9ygo ijEUS/1pmmzCAuajBIlpRhoDaiaNVmjfSPA6aevg/S6UsyfXfSlH8Yvzdn2iYY1sfh87z07Cimnh2 r8XMGS9x1rDcg3lTXE50qLKHHnNJLsShjS5+AS549Tt75+Duf1wU3+FE/6stxGaFkiU1TyHX5JaL6 G4Veu8Nu7jLcs6uPx0SQ7U0BDbOn4bephfP36p05tpVxui3hm3PXndEvHNtLXhA9tXsrWyzqgofaG 5zIlCFmQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tVBhF-00000005TZK-04x0; Tue, 07 Jan 2025 15:40:45 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tVBfz-00000005TJY-1Kz8 for linux-arm-kernel@lists.infradead.org; Tue, 07 Jan 2025 15:39:31 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id AC5EEA41837; Tue, 7 Jan 2025 15:37:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B10E2C4CED6; Tue, 7 Jan 2025 15:39:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736264366; bh=oD8IZZwblmQdes/eUweJjCun95li3dhJu+Tixr8By8Q=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qvcWubaS3/P9y4urANkoZVtMDfSIRtNxM86ZjQW81wGXVyxkDitHE4ipa0sS//RXS mfFdJEPfMslBdRELTXEHTcXt6tnmlLNmIiNu+BxQJXdjWBsvElmQ5m0yqNcOWQog+F LmuyODBWk/DXiq1DsEWApRiqbtrHo0qHWPMZgx5dMrQfJMb3AqhewA1SSsUKaiFq0C qOW3Ax73VQYIpgm7lCKiVH4HowMczROQYoy6YnNUTWJhUQZCAe6h+uFcHBOO+/IBsN NOSWHSyLfUFP96hHNybbA1ixMhQZ/4OmilRubx6cO1eW5izbr2WCHFEwhCaSuDDP8c L4JPYDrmq93Ow== Date: Tue, 7 Jan 2025 15:39:20 +0000 From: Will Deacon To: Mark Brown Cc: Catalin Marinas , Jonathan Corbet , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Shuah Khan , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v4 5/9] arm64/sysreg: Update ID_AA64SMFR0_EL1 to DDI0601 2024-09 Message-ID: <20250107153919.GA7728@willie-the-truck> References: <20241211-arm64-2024-dpisa-v4-0-0fd403876df2@kernel.org> <20241211-arm64-2024-dpisa-v4-5-0fd403876df2@kernel.org> <20250107151323.GA7368@willie-the-truck> <9e93418d-ef66-42bb-b276-9f92da2596fa@sirena.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9e93418d-ef66-42bb-b276-9f92da2596fa@sirena.org.uk> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250107_073927_427947_686E6DEB X-CRM114-Status: GOOD ( 15.60 ) 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 Tue, Jan 07, 2025 at 03:26:34PM +0000, Mark Brown wrote: > On Tue, Jan 07, 2025 at 03:13:24PM +0000, Will Deacon wrote: > > On Wed, Dec 11, 2024 at 01:02:50AM +0000, Mark Brown wrote: > > > > -Res0 27:0 > > > +UnsignedEnum 27 SF8MM8 > > > + 0b0 NI > > > + 0b1 IMP > > > +EndEnum > > > +UnsignedEnum 26 SF8MM4 > > > + 0b0 NI > > > + 0b1 IMP > > > +EndEnum > > > afaict, bits 27 and 26 are still RES0 in all the documentation I can > > find... > > They're in the 2024-09 XML release here: > > https://developer.arm.com/documentation/ddi0601/2024-09/AArch64-Registers/ID-AA64SMFR0-EL1--SME-Feature-ID-Register-0?lang=en > > which was current at the time the series was sent but I see that they've > been removed in the 2024-12 release which came out later, right at the > end of last year: > > https://developer.arm.com/documentation/ddi0601/2024-12/AArch64-Registers/ID-AA64SMFR0-EL1--SME-Feature-ID-Register-0?lang=en > > so we should just remove these. I'll respin (or should I do it > incrementally to save on re-review of the rest of it?). Gimme a sec as I'm the process of applying the other sysregs bits (which looked fine). Will