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 20A83C61DBD for ; Wed, 26 Aug 2026 17:41:55 +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:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DNs1y/XC3g0OnCiOoRpL2o87x4tEc7z7kiM7MFcFVrw=; b=yqAKWaXzylx9dKzfMWYb38rc90 EQ/mgd8wu/SdoxYQjFkFi8hIhTDvpzjihVjX4b3sHQjGZpjOp5Aym1g1jGa3uSahtDH5CpQrtdZro Es/K+XiRkgJpzxS0ljnVtd6wSHO1RkHwb8f2pRAWRjLQQZYUh018cvP/1BkaEs80dBfnhJnk3VaU3 sNEPbQAF4xCpJQ5xa+dSugfIPlo7NUMwUXDRJTQ83niaW5YmizBenmnRKvekeD5RnfmhUwM2vGbSV jrCmND938nhWNIm5LAvW99yZK4dAMNKIxsfVMwgt4rVGfrALI0sVcAqrftTTk5Z38xt379PXMTgDx wvWKjkIw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wzHdE-00000002plR-0rWd; Wed, 26 Aug 2026 17:41:48 +0000 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wzHdB-00000002pl3-3jQK for linux-arm-kernel@lists.infradead.org; Wed, 26 Aug 2026 17:41:47 +0000 Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 67QGuf3e901504 for ; Wed, 26 Aug 2026 17:41:45 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= DNs1y/XC3g0OnCiOoRpL2o87x4tEc7z7kiM7MFcFVrw=; b=X1ZJBQEI4m7075Qf RMJ9LsQNmoixFMkQeZXtBnHrVA6gkwQVkf+E9WO6BD8GhEeurHYQn05SEytvXNE9 rnJw9zzSbCqyrFhMD5liUDwFi8h53vuc9knw2VByDe8GM1OCNDTJLjGMo8irFhZI 4xwAMUHQeGHH75vWCdAb+54EJjMY39szLIODzPZiDZ3HLjpL1+Bk/YdchE6rdP+H EHhuPETBGl+ULvKdnXyXlOfWfeZaJIFPj39ohnk8wC1E7kDWPhNY5sEzK2vCSDuz jJ8DjURpQohW6eZnXkL2ren693FWHP3Iz6cF8dYUm6t2ehfhzHfnn+bIJmIsnhTy XIRNaQ== Received: from mail-pf1-f199.google.com (mail-pf1-f199.google.com [209.85.210.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4ga03u1ams-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 26 Aug 2026 17:41:45 +0000 (GMT) Received: by mail-pf1-f199.google.com with SMTP id d2e1a72fcca58-84a251c2e3eso133051b3a.1 for ; Wed, 26 Aug 2026 10:41:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1787766104; x=1788370904; darn=lists.infradead.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=DNs1y/XC3g0OnCiOoRpL2o87x4tEc7z7kiM7MFcFVrw=; b=ZrvVAMWctp6gbtukfylGdFbIopg2+jAwQY5hzsnd3J9jwRYZM14j4IKXxiiaY5opAb V1Y533q1v1uyeKk6/+zPhHdba2yALIif9BUK1xbip+bYYR+dCOxcuTQHb45M0LJFHOz3 ycODE5U2JhrvCOarpXPBmJbLFLlZ0o+lPbgo8YGP+6OpmJSOdPVeV/U+F77eXSxek7Nx ZCg6iMpCGINJ/PyZOy+6WEi3tj2rJJIgC732fzgzYYKf3LroLjw3ejlPGQf1DdF6pIIS f9H/oGnBlbmA4E9P/qTEBL69IzW9li+9+CFiVZXmhTDesV60YV+qHtrv6pZv4hITd8nY G7OQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787766104; x=1788370904; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=DNs1y/XC3g0OnCiOoRpL2o87x4tEc7z7kiM7MFcFVrw=; b=rar5w/ekcJyBbgdLkFk2olKIhGNTL18JrNacsgI6ukgbfUFNVNSvrw6EZ8nmr8OKfU jFQd+SJoQXt+6GiCUlXzK7O8fKTcP6mDQwB1XgXWZVNfDUZ4orKx/ElI7wxMa3Ws5dRs NNcfCewcmDXOIKyfu5/DLDKHbkInuKTnim+t33s0HZ5z9joh2/VXiOsGnebUD/2jU4I1 ctHYAL8O2Q4e0xjV74Ui+xqPJW4WunhHpQ/KFCOmK6V9oW7oB2TMNoiG2Ru3+nIaJKnL AGVv0ng3o+1jClQGQwm+XAHhyc8EZQ4Tci+mVEhzEjHlVTmwb1eogjZgvd6rCRH2A/mD LmtA== X-Forwarded-Encrypted: i=1; AHgh+RrnZvd1PpqCcm75G6NG/Gp8dwzDPZWrVIxYBO4b4oCzzgfQSU0NN0KCy5XlFjQDgmlGyqLZtwqxurXvmNxGDoyg@lists.infradead.org X-Gm-Message-State: AFuF++nV6qmvkuLYmn2fSgPxeZ7zfiN7+qhtt8ETgh0SZusIUf4bxm1U dQ3caPhkFitNfQ3CN7fgTSI6fHGbKkkznBztWUarPq/43wskjwSWF+I7gblzjfdZALp0lwhNFTs w4WTTSm6aEWMC3BpBv9e1cFuOtJ9wBe08CgYEXoRyvzKnKsE8ariDW8avacsKhGAubUpMYnwPIb 0SlA== X-Gm-Gg: AR+sD13bzggt5tKGeL/19TQLTxqYLnZIS7n1OOLf0pBOoXM5kertIMvAp7VNr19ruK8 C7edEee1YrVZLUZ/mMF+IrEE0J30qz3DQBj+emq17Wu3R4HeQoVB8hbEu79ijllxoMKTWsTjdKv +k+FEtFsxy7bfMptlW/IvS4BMgGJ0PkXu4s1OjTHOYpw8YurMxTuCDbgqr+ttet32/sZrPFh882 dZaKWMwYyWEygUrRyXxzJlO7vHEZfS7P1IJ1FJWwE1zArGVdzeP+v27AMImvHlqTG/tmm4Dvj2U 5zCne9e2W4WQFLIH7uX6uB6AkQhYbbsYMUqfgK4WGWKTF2XLDWFHdtBaEoRUpIKic4PqIqV6S5V 6MihwebmhMBanOrTLbD/nzoyYYONWpeyGlnriqR4EmNwZ1Tae/w3Ny+EYYkqR2s7aKS6Ns0PIKg u1MwdxSMFS5RYKaRRebA== X-Received: by 2002:a05:6a00:2d0b:b0:851:80de:db56 with SMTP id d2e1a72fcca58-854c892307bmr887216b3a.13.1787766104025; Wed, 26 Aug 2026 10:41:44 -0700 (PDT) X-Received: by 2002:a05:6a00:2d0b:b0:851:80de:db56 with SMTP id d2e1a72fcca58-854c892307bmr887137b3a.13.1787766103429; Wed, 26 Aug 2026 10:41:43 -0700 (PDT) Received: from [10.50.45.102] (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com. [103.229.18.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8535d345ecesm1230693b3a.59.2026.08.26.10.41.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2026 10:41:42 -0700 (PDT) Message-ID: <39fbb239-ea0d-4168-bb20-07bfa10bc539@oss.qualcomm.com> Date: Wed, 26 Aug 2026 23:11:34 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 07/12] arm_mpam: propagate MSC access errors for mpam_reprogram_ris_partid() To: Andre Przywara , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Catalin Marinas , Will Deacon , "Rafael J . Wysocki" , Len Brown , James Morse , Ben Horgan , Reinette Chatre , Fenghua Yu Cc: Jonathan Cameron , Ganapatrao Kulkarni , Trilok Soni , Srinivas Ramana , Niyas Sait , Lee Trager , Ritwick Sharma , Gavin Shan , linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260807105451.3728284-1-andre.przywara@arm.com> <20260807105451.3728284-8-andre.przywara@arm.com> Content-Language: en-US From: Srivathsa L Rao In-Reply-To: <20260807105451.3728284-8-andre.przywara@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI2MDE0OCBTYWx0ZWRfX/8479kDHEOzP Kj4VVrF8DAysoR8syBPkIwW9l/bTxd4Kb2QMHkBR2HO8Y22rh0iXW3k6q0lWPADSn344sbwcuNN fTDP2tYqL6iwdL0kaEWngcwD2lBk2QVArjC+c+uC5rw+38gylps0uGIfQ9yFeR7xOLC1KJioKYq nMbFGcU4RVk8Xy6XTbE2Lx8TlSQghp1zuKWrDeLpSfc32cqQLtqisuXP9jO5mtt8x9Y/0+eJ4vF KSK0EkCWFFEIaU95/h7Bitr521VHFGlXTGdHc738vcOCiWZpPl1WR3oo685wTR1a9EuLGcVzeHs IC3dN1UAViGrpzAbmKs7LV5Ig6FhBpUErgBaZPZsT+7HSZgyl55r6PkRVwJqLYGqk2c9b6dQk0L 0KvZ7keHm3dWDLoFTJ6B/vUgQlfIHD9iGNYV7oHkhI+aXqdWQWr9JaWTVg+vfXJdd/OMwaazgny TXta8gApcX3NchafQrg== X-Proofpoint-Spam-Info: AW1haW4tMjYwODI2MDE0OCBTYWx0ZWRfX0hagZahbL8/E w5paJW76CKCQMvdovp/8xiX2G27A0GIPFhxo8vGu8WZkjUh78x/DHgEzXZ1oxz/bAZfNAm0TmKy FT0CBh32ONq6c6wEyPTlX5iGerG7/14= X-Proofpoint-ORIG-GUID: h6ymTWi2fHY4qXoY4gnM4bxAnUEi5GVN X-Authority-Analysis: v=2.4 cv=RcqgzVtv c=1 sm=1 tr=0 ts=6a8f2559 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=7CQSdrXTAAAA:8 a=EUspDBNiAAAA:8 a=20KFwNOVAAAA:8 a=K_wyc9vDMbpTIRadLRgA:9 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 a=a-qgeE7W1pNrGK8U0ZQC:22 X-Proofpoint-GUID: h6ymTWi2fHY4qXoY4gnM4bxAnUEi5GVN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-26_05,2026-08-26_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 adultscore=0 spamscore=0 bulkscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608260148 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260826_104145_939403_216A4349 X-CRM114-Status: GOOD ( 14.59 ) 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 8/7/2026 4:24 PM, Andre Przywara wrote: > Allow the mpam_reprogram_ris_partid() function to check for and return > errors, and propagate MSC read and write errors from the lower level up. > This also covers the callers of this function: mpam_reset_ris() and > apply_config(). > > Signed-off-by: Andre Przywara > Review-by: Ben Horgan > Reviewed-by: Jonathan Cameron > Reviewed-by: Gavin Shan > Tested-by: Gavin Shan # on NVIDIA Grace Hopper > --- > drivers/resctrl/mpam_devices.c | 137 ++++++++++++++++++++++----------- > 1 file changed, 94 insertions(+), 43 deletions(-) > > diff --git a/drivers/resctrl/mpam_devices.c b/drivers/resctrl/mpam_devices.c > index 96579178f0c3..49239b15a27f 100644 > --- a/drivers/resctrl/mpam_devices.c > +++ b/drivers/resctrl/mpam_devices.c Reviewed-by: Srivathsa L Rao