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 E3AC4C531D0 for ; Mon, 27 Jul 2026 22:44:25 +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:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To: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=pr+yXJ1zx4RlPju5kOdUktz6qmzd6euktFiv0KaUpN0=; b=mVTNRdyCCHOgOE1MV/Tjn+VNsh YPJeYfOTAIthJornCaUvq78lsywLT3qYhO4b8xjjaCJ++7licZyNwz97tRl/3C4F1VlICvkHc2Vl2 HpF0mCmoIgZtZMlmTvVpERs433MievajI+FtdID+5f+eBcS2BdsejJE8cLUOpQFr/a7rOs/svG0gr Jq7H8Ul/XXvCg5ZJFAjrYuLtqxTmnYYBECpr7bVHqrKD4u0z8cqk3kze/FD6LbbVAXZYL892JM9jT mcKIBAr888c9gT6+os9Edek6gv+Ab1ArHaMS/NBHwTT1l20Vt+Szkge8fCGbmXGfG/cpejXcox0Mx Mg3/yXGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1woU3X-000000042Te-1drK; Mon, 27 Jul 2026 22:44:19 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1woU3W-000000042TG-1iQ7 for linux-arm-kernel@lists.infradead.org; Mon, 27 Jul 2026 22:44:18 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 5257D60008; Mon, 27 Jul 2026 22:44:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3FA61F000E9; Mon, 27 Jul 2026 22:44:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785192257; bh=pr+yXJ1zx4RlPju5kOdUktz6qmzd6euktFiv0KaUpN0=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=i/Hl7HGk8uQM91MvyyJgoBz/+ijmz5VmWHNnyYAUxYfXSkPKivRVEtRp8KInZVDHJ 3dH+pGFf+0jF7UOdNnzXswVqjt+Obi3JRbngQO/50UxhyvEGQqAHSpdzCjE/U0e0w+ jgu3g17VdveCbqK80mQqEb+DC+XwmQmAeCIyCJWtCLkLpc2j912Rq0UvBRiVD8uH3x zJrcUxjL5xvS+LHaumTjKdshPtp/obqVRtRBxQWhVf1NrsU3KTj1WdbyQQEVN4Ujou AQHF+eHQYP+HVMfmnSYW/ypgFxvJaF+KumIMzGPQLdDUe9lzYDPZvM1I66Ovh701K3 +UVuX8HxM/3xQ== Date: Mon, 27 Jul 2026 23:44:10 +0100 From: Jonathan Cameron To: Andre Przywara Cc: Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Catalin Marinas , Will Deacon , "Rafael J . Wysocki" , Len Brown , James Morse , Ben Horgan , Reinette Chatre , Fenghua Yu , Srivathsa L Rao , Ganapatrao Kulkarni , Trilok Soni , Srinivas Ramana , Niyas Sait , Lee Trager , linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 05/10] arm_mpam: propagate MSC access errors for __ris_msmon_read() Message-ID: <20260727234410.1504cfff@jic23-huawei> In-Reply-To: <20260723155454.1760823-6-andre.przywara@arm.com> References: <20260723155454.1760823-1-andre.przywara@arm.com> <20260723155454.1760823-6-andre.przywara@arm.com> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 Thu, 23 Jul 2026 17:54:49 +0200 Andre Przywara wrote: > Allow the function for RIS accesses to return an error, and propagate > read and write errors from the lower level up. > This function is a bit special, since it can be called via an SMP > helper, so the prototype must stay as void. So propagate any errors > using the "err" field in the struct passed in as the sole argument to > that function. > > Signed-off-by: Andre Przywara Reviewed-by: Jonathan Cameron