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 A69661EB9FA; Tue, 7 Jan 2025 15:39:26 +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=1736264368; cv=none; b=iN5b+2r7jN48EbQuG46SH3rH3I3fLRWBDWCAydeqjTexgQ/kT3xk85wYoQBuPdc3qSU9YGwOzL3od0+AFtnm7vuCPvphyFK01/BP+A4gOd62GVUa20+AU/MzEOiJUzey5ZBRtfiNCafOaXdDgvUzldi0NW1sI/ZX7Xtx+r72/Ys= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736264368; c=relaxed/simple; bh=oD8IZZwblmQdes/eUweJjCun95li3dhJu+Tixr8By8Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XfaIrRCzMYVVUFd14pw6deYxyHaqVQ/iT5QgK3jERjqbhONe8I+FsNW3lEUxhTXXmSZOelxqYM+5Gyb4xMiNiQvsTRo6TbTL2W/3BHFpTtt84TZBIu3lgVwKegKNr60WikO/QUFFBv+3/lvT5BiD2kieA72z3wucbbSAIwcDNs8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qvcWubaS; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qvcWubaS" 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> Precedence: bulk X-Mailing-List: linux-doc@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: <9e93418d-ef66-42bb-b276-9f92da2596fa@sirena.org.uk> User-Agent: Mutt/1.10.1 (2018-07-13) 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