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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53269C3DA7F for ; Thu, 15 Aug 2024 10:39:39 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D21896B00C3; Thu, 15 Aug 2024 06:39:38 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CD1616B00C4; Thu, 15 Aug 2024 06:39:38 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BC08A6B00C5; Thu, 15 Aug 2024 06:39:38 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 9E5F76B00C3 for ; Thu, 15 Aug 2024 06:39:38 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 56A0C41544 for ; Thu, 15 Aug 2024 10:39:38 +0000 (UTC) X-FDA: 82454133636.20.D397BB0 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf14.hostedemail.com (Postfix) with ESMTP id BFC22100013 for ; Thu, 15 Aug 2024 10:39:36 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none); spf=pass (imf14.hostedemail.com: domain of cmarinas@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=cmarinas@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1723718305; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SDXOleNrW5fLFKpGjkr8JfEk3TQJNhZjAUb1mija8II=; b=rTKh6gQ5TyEcGkpzeksjgbBW4brGEJpxiCPdCiPuesgxWbXxneN81K8U9D1+yTCvGFnUgL Na/SnZpoyZ5ex+Jifbo6x9hFWqWwbVx/NZdyzi+5wqYV7/lf7hfwmia+mGivWKwv3m26k8 zKIBzLsdfULXKcvFbvtORHvogYcDisE= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1723718305; a=rsa-sha256; cv=none; b=P3vosGdmzhIJ2xWCKt0vbpPcKjPhR6m6wnamppSm8V1J+UuBJgCA4Xj4XtC6Spx0McX5cP 9xsZQMUP3QAGm5w1Xt9HodfO1qOkKYyubdG6Oz63EnNWT38qGpgl3kBdDpf0SLsQ8r0txK RAtpj0HD5aO0GsfrYrCf1YheTkNQDhk= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none); spf=pass (imf14.hostedemail.com: domain of cmarinas@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=cmarinas@kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id B9B6861D97; Thu, 15 Aug 2024 10:39:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E7B1FC32786; Thu, 15 Aug 2024 10:39:29 +0000 (UTC) Date: Thu, 15 Aug 2024 11:39:27 +0100 From: Catalin Marinas To: Mark Brown Cc: Will Deacon , Jonathan Corbet , Andrew Morton , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Arnd Bergmann , Oleg Nesterov , Eric Biederman , Shuah Khan , "Rick P. Edgecombe" , Deepak Gupta , Ard Biesheuvel , Szabolcs Nagy , Kees Cook , "H.J. Lu" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Florian Weimer , Christian Brauner , Thiago Jung Bauermann , Ross Burton , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v10 01/40] arm64/mm: Restructure arch_validate_flags() for extensibility Message-ID: References: <20240801-arm64-gcs-v10-0-699e2bd2190b@kernel.org> <20240801-arm64-gcs-v10-1-699e2bd2190b@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240801-arm64-gcs-v10-1-699e2bd2190b@kernel.org> X-Rspamd-Queue-Id: BFC22100013 X-Stat-Signature: s3bkh7hx4ocyksk48w7k8i5fgx55zhnb X-Rspamd-Server: rspam09 X-Rspam-User: X-HE-Tag: 1723718376-441189 X-HE-Meta: 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 65a5YVS0 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Aug 01, 2024 at 01:06:28PM +0100, Mark Brown wrote: > Currently arch_validate_flags() is written in a very non-extensible > fashion, returning immediately if MTE is not supported and writing the MTE > check as a direct return. Since we will want to add more checks for GCS > refactor the existing code to be more extensible, no functional change > intended. > > Reviewed-by: Thiago Jung Bauermann > Signed-off-by: Mark Brown Reviewed-by: Catalin Marinas