From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 ADB6E44E671 for ; Wed, 26 Aug 2026 17:37:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787765881; cv=none; b=IlgaJjRsW1iBirG2zQ51S6BcOY2IkGAirxAuwXzoy61yGfaCM0MGfMNnJ3KMM1xhHgiqIKKb60IvJvcGFQlAKsX+qYWhc+VwzDsvkkRB9ojJVSYm3CRzK92+69TrwoO2UyNNkaaXf/ELV+ymhi8g8+2iqldJa96DNZsISonJ8VY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787765881; c=relaxed/simple; bh=g8Vsl1EHgsRDKVc85V1MtwOll8+JTVmQkGsyc8i4j8g=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=tBVoycLTJwtKsCj9UX5uruYrqj1/Q2tkq1O2yl4BifLVEGKmmtVuu02hVLhlN/FmfcfB1jmIpZjUTD9U92sEMWV9t7jHOSnvMFjV2RLLxSm6OZCJf/7frGWG5086FeBxex2SHczOav9D8mbsjimNtruZvBi7e4PYB4RWp5iyWKs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=P63suP+j; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=WtSKLw0J; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="P63suP+j"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="WtSKLw0J" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 67QGukVf343384 for ; Wed, 26 Aug 2026 17:37:43 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= +R6hz3Ifukcx5+qCcKIeT65fs+yH+pDKRs1un5ctVZ4=; b=P63suP+j/s6DPKCg ovVjzlbWXwxiFUPv7eykvOe4rjDnRgBsEQTTBhfcbLlPTjlgQBHHMEFmfA4SUANV 3HEzgnpbs8R91lCczhlSQ4WQ3pZtWxW1rmvQNEvU2DFZkuxVCjSfCgV3LY1HJmt6 E/Is/TnvCKITt/lfVwQ7AcatIYIP0VZRRj9QaspjNGseh8ODd154/y8QsYEs2uLY UNctkPxoqvmb0pVYWwcfnRbWy+0Ul2qR6c4SjESjOi/t8nA+ZVNHcVXcStCAQQb3 Uwj9U8PV+Mu5ay00eld5g2SkjYOGijgesxx3cBpix+hCUZv4JPCqJagBVjOlKFaA uPFkDQ== Received: from mail-pg1-f199.google.com (mail-pg1-f199.google.com [209.85.215.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4g9uthtb81-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 26 Aug 2026 17:37:43 +0000 (GMT) Received: by mail-pg1-f199.google.com with SMTP id 41be03b00d2f7-cc1c057f480so1228945a12.0 for ; Wed, 26 Aug 2026 10:37:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1787765862; x=1788370662; darn=vger.kernel.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=+R6hz3Ifukcx5+qCcKIeT65fs+yH+pDKRs1un5ctVZ4=; b=WtSKLw0JeMAnlc+1ZtSXQQS7fPp5sG7+De3L0ckysmWy5EnvhQSNescfpHsBbKNFUI 5xaTHb6HeH7nD21P/N7Yl7Ifeir59moM9mi9zv/SmpF1SmxSEDdEw8Am5asIDlTbFLTa bZR4eq9yPGvN4c7CrFipnKKgvQ5T80Y8FHHZ0zE/KNKinfHeCS6yU1MiPgYdWccArtla sBSn4V4EwSNFmI5F8d0E8XLhLvjYkrgRxBMSCsIe3Ec0mTiUyEvT4y5xm/OglMRwFoVO XGJmb2wNS8pCQ7GD2PvnGbY2DO8+iq2tHe0E5hWCPLg7U6inEqFKqKWcVOe2QEjawvfs SQTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787765862; x=1788370662; 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=+R6hz3Ifukcx5+qCcKIeT65fs+yH+pDKRs1un5ctVZ4=; b=Of5mVywBDwitpwJ9o2NSBHpUBTOzmCvwl/BMkFu40xkTMsNXKiX8IqB6e1aWiBGYwa c4nnwA5hO9lx6OWafXx6Lcx6B0VqMWkoW1Qjw0r/JpeLogIYZ7Qi7y1rzOYMsknILIby 1wS7+7c2S34rF2bhJF6dWaMiZgHbv1CBrj/4/tAJQzfdKV+pCZ8LZ0Y+umTBiXbu66Vy Y0kAVtlNBWXBmH280HPl1tKxVZglXuTkrZN9qJsXHD8VMaLmoe98oXGElZOJLxYwFbA5 +PEFNMEw58R0KnEwSL90PzSaY8tzDJP+kVt+mtQqKLV9e/pntO4nKF8e3BtEHeaEHqYI aGXg== X-Forwarded-Encrypted: i=1; AHgh+RqCb9/dNd7s11/XwqKMxgstlEYA7Qb+5627XpXdJFhGfqr3CHhTqoT0lB5ztPnjKsF6nNMc63Cj1Pzi@vger.kernel.org X-Gm-Message-State: AFuF++kYCrN57A/djEBuBVx4c2Kea2xCbkL1943/hhWEZk/ykTHUdX5+ jwnjuQjD/1ro8yxk6BTKuQeKhWFE/Aj/EMedjpVb1GidFo1pJrRhCoOVI2F0YCtOuMtSuQZpNOw 7NSCHd3y5KbE7MRb9SOth9j/hNV/mJpsyg2voSMpHoA2m3uenz7FwaRMrU7S7hsMB X-Gm-Gg: AR+sD11mu38l4hNypWB+g57+q/4zcQrO4iSaEnQ3smoJT6FLdfD+U8/KHDz4U7Qpp1f 1uuGkM9WgEYJ1kVmUGe599QHnv6TNz8bOF3dKH6obwE2AiszWrto4lNWp7o1ibtERnMVZ4/l+kP WVV2NfBGqXV0XYEokLK82RDwt/OinbCOl9nxhQ/OCoP9o6PSDGXdg8oI+4HN/Vq2RIdCilVxZOG LfyRioTUEz8lZ7oxodQXIg3V6MYk4BLesLq3w7+Lj43dEaReGzh6zb+OZLSq4iR3hYEHerYbDsL LIB1F0B9hLJO2VF5t9L/FOGZ+S3RAoQD2b7UDDUrBDxxp6BoAXclCgSrsM4CK7Ukw5smO3tBYZR Cn/gsxYkCGhEgNCW40KJkStvv7uo+d1lBfgV/aOn1JeIrMJZT2z1y797ZeZdzFuayqIMZ2S4n70 tQl1htIfHN5Vv4S4UFgw== X-Received: by 2002:a05:6a20:728a:b0:3b4:6026:6c5d with SMTP id adf61e73a8af0-3cf75e8e9d5mr16110494637.5.1787765862354; Wed, 26 Aug 2026 10:37:42 -0700 (PDT) X-Received: by 2002:a05:6a20:728a:b0:3b4:6026:6c5d with SMTP id adf61e73a8af0-3cf75e8e9d5mr16110404637.5.1787765861893; Wed, 26 Aug 2026 10:37:41 -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 41be03b00d2f7-cc1beb0f15dsm1281557a12.9.2026.08.26.10.37.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2026 10:37:41 -0700 (PDT) Message-ID: <315588d8-2a82-406b-a1e5-bcd00128c545@oss.qualcomm.com> Date: Wed, 26 Aug 2026 23:07:32 +0530 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 08/12] arm_mpam: propagate MSC access errors for interrupt control 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> <20260807105451.3728284-9-andre.przywara@arm.com> Content-Language: en-US From: Srivathsa L Rao In-Reply-To: <20260807105451.3728284-9-andre.przywara@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=EMA2FVZC c=1 sm=1 tr=0 ts=6a8f2467 cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=7CQSdrXTAAAA:8 a=EUspDBNiAAAA:8 a=JeWy39_HCiB1Np-THXYA:9 a=QEXdDO2ut3YA:10 a=_Vgx9l1VpLgwpw_dHYaR:22 a=a-qgeE7W1pNrGK8U0ZQC:22 X-Proofpoint-ORIG-GUID: jCJd3RmYxLe_1cjlcB1gcYbJEJjOhTI- X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI2MDE0NyBTYWx0ZWRfX/8aHLn92dIWH 8BshPrwo+7qq9gK7c8L6ogApuotMtN5yLXe99YaeDKhnGCBLXaEH9lwIvCtuTVahZEUKXzNa7/a /I1+9833A0ovJem7C4AZfdGDs2S1y9iLvwngzoHqWrKJhodbDs1FlDzPVrVDg4ieEqyiRPJtQSc 9wvM3ciCkUDT8r9sBm0vCgaf0JW4jani5ALLza7DMlDBIruPD9dycT6Vmo7ySHwQeuJZp7eu0OA g14IelL0XDf+c4U/zEzryIj5PnyziHj5s7RcWpiUscAJmF8m2DdwIrWuvf+22dHEkb9ge4k4Ipe 91kpUokD8fzfKYiFdzb+zNK3txkZFGXwpOU2IWWCBVqiHsOaYxCu03p1oqAUOew2Ijjqgl09G9u La3KH5TPOYxAzz+vpeQZysNqSmMnFIUVHpJUtxwCuSIK5BqCLfc0cwbW2fZ7jCiC/aIgMZNDjtB IF8sP/qvcMchtBxOpNg== X-Proofpoint-Spam-Info: AW1haW4tMjYwODI2MDE0NyBTYWx0ZWRfX2IqeaJm8xKRr 95ZJ8gBzVQ10NZvz5eWkPhpVwtKCetjlOIjCrx7mo6hP4klCcD1iXbLQB5jcgk/JJhp36HVoX4P Jx+Z9TgflGBg5nA6zdpDzmbKDKC7248= X-Proofpoint-GUID: jCJd3RmYxLe_1cjlcB1gcYbJEJjOhTI- 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 impostorscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 malwarescore=0 clxscore=1015 phishscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608260147 On 8/7/2026 4:24 PM, Andre Przywara wrote: > Allow the functions dealing with interrupt registration and enablement > to check for and return errors, and propagate MSC read and write errors > from the lower level up. > This does not cover the IRQ handler yet, as this needs some more > attention. > > Signed-off-by: Andre Przywara > --- > drivers/resctrl/mpam_devices.c | 31 +++++++++++++++---------------- > 1 file changed, 15 insertions(+), 16 deletions(-) > > diff --git a/drivers/resctrl/mpam_devices.c b/drivers/resctrl/mpam_devices.c > index 49239b15a27f..1b07f7765f96 100644 > --- a/drivers/resctrl/mpam_devices.c > +++ b/drivers/resctrl/mpam_devices.c Reviewed-by: Srivathsa L Rao