Received: by 2002:a05:6a10:a841:0:0:0:0 with SMTP id d1csp797735pxy; Wed, 21 Apr 2021 15:34:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyIzGbM50ue04uxzIgxsz6bqI9l3DCGkvEKkEAB9KQVxI0JsZ6AOS4xYGnk7ji7Q1Le5l2P X-Received: by 2002:a17:90b:1184:: with SMTP id gk4mr14303378pjb.129.1619044455458; Wed, 21 Apr 2021 15:34:15 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1619044455; cv=pass; d=google.com; s=arc-20160816; b=kJ6zGLgr+kZQCep6MWGEdDwMIKTZpLDd2GT77rswjlT+nb+vEXxlT0Xp9XFCi1xKV2 Bjgk7RFZY4ZK2EylBYu+fanfBlMVQaS4293kLCclNAI0CLaokLZTuVL8tABI0b25ZkbY /IyaZAWfBXiSKddfb/JzDyyZz3FwphsSEne+Hqn0Erj7TMXHWVGUlYsKKpkRGNe+riUF +I2nFR5IF1f3kDEqw7Xz4aTtWSAqjW4G/CLaYDcBS6aDvzu7dGF+rdQdn2MQPCU5BMsh Y0ATpWOmCRh/WivhbXpFImHsmFco65aGwI2TPAC0g86KwXgTjdSGoFjz5Y8Z7DNDnhHB STHA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject:dkim-signature; bh=1Hz6XlcExdhxkeP7H5H8MIczXGLVYlD+EsooV8ep78o=; b=kmSH0GvAhXVd8UbbBGUYXBLWA9CAmdtmDfaoJZsy0fpaDUqiNFllRSWcnWjJx+ZRWl gKeh1ORwrLD3RXexCQoCWUf/ZJpZHp7+V3NauBd4+5zWmVrTCgMhSmC1eK/7Bp3ADd9J XU1+HOaB3ucB2W/7SIrtC/qELfbzKbRMxDNdfELFFyfElLPdZNih+aTcCbM0uyppRHzW eIXYOKpikczMm4ML8ZUvA2c9e6AShmr+rf0RR4ex8oiVb913GFbVhxlwP/pawFxWbMKB AP5YqjGms2vlGATCgEdmtyP88CJGO6s0oIGusd+ONV65FDQKJdv1+8QNEGiwXqOsdhdY feHQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=QvibK0bQ; arc=pass (i=1 spf=pass spfdomain=nvidia.com dmarc=pass fromdomain=nvidia.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s1si962082plq.105.2021.04.21.15.34.03; Wed, 21 Apr 2021 15:34:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@Nvidia.com header.s=selector2 header.b=QvibK0bQ; arc=pass (i=1 spf=pass spfdomain=nvidia.com dmarc=pass fromdomain=nvidia.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243844AbhDUPIC (ORCPT + 99 others); Wed, 21 Apr 2021 11:08:02 -0400 Received: from mail-eopbgr750043.outbound.protection.outlook.com ([40.107.75.43]:7844 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S243835AbhDUPIB (ORCPT ); Wed, 21 Apr 2021 11:08:01 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=hodxI244DlnMlsd4U7em2E++AiS1m5luIMEOIhwG5G3yolHZZtucz9uQsDHVP8A/36AB4soPVuud29QDAAzzfVIw3GyyaTKZxEHhexKusp22nvl1RsNg8cH8E4iGQpEHshvXDaNg0qd61blzxUBB19lGFzAZBG1oUUbeJYJ17RoONA9HHetrQxAG3zE4v2/y3Hv1sKPHy+cm4FpzbQofE7Emoj5k4Uhwpgyz/nK+YhWe5nyAz1emiwfhzg0fz6kCj3PRG7cj1tjDvUKfT1yeh7f9GVccaf2DEj8BRqltxhapJjH1d43m8q3R3ydSjScJqxNYHoI5xY5Cji6WMJosWA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=1Hz6XlcExdhxkeP7H5H8MIczXGLVYlD+EsooV8ep78o=; b=eeYhHVsgU+bG1hn4SwPDoTtS8xJ3vZubaljUxum792+0CTqoS1k1kkyF8bxX6nTNr6zioxh34UfA4UxlNmOM8QCXer9csIA+Z8cWNkMZld9sR7nHjIB8Aljg9eNn5OLrAZC4ULn9Vha4fiB65TJ3gMwlJr/Op4CdxnmUs46DrC26LDqATimykoEGjl27rP+U3ZRF90+nZdSmfTBCt8sE31v1U/ry0AeA5+Cye504g15gPytn7v+9GXxNkSE84hEA9BnGdc6RL56iw9jyeshdeC4XzJD+EC2ezbAyLLjxRg0uAvRybIDFPUq92L5/xZHhEgX+1BpUjHVUlyLRRkG1pg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.112.34) smtp.rcpttodomain=google.com smtp.mailfrom=nvidia.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=1Hz6XlcExdhxkeP7H5H8MIczXGLVYlD+EsooV8ep78o=; b=QvibK0bQIlXEToEuSGxbc10I80vo/GX+weKlGanL+TbQDObvT6PXFjKAjnztmONGyzt8BnAR4r4KQ1bTQ+yyaJiN3QqjSa6USlqpnyaMrX2cpuE5x2In7aaQRwZ72JVG8Mgas5cnh+mbXLFZLHIKA5hrgFMlM6M6iXcU3xk7WXMh2DpKpCCB4dZWSqcZvANNjlUwZQbBW9co7o0u+sDdvH8Hx68ZDfjIp6s4h1QJ1mfVE5bJhJROh9nkHsROMyA0nKGSRlk5ubrY5fUBu+0FslGKsgsGBKXyQCYnVnLEesAGUd+AN6LMr7lYNomOQoyfX1XyYw2lame3SJ8rXS26zw== Received: from MWHPR20CA0048.namprd20.prod.outlook.com (2603:10b6:300:ed::34) by MWHPR12MB1519.namprd12.prod.outlook.com (2603:10b6:301:d::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4065.21; Wed, 21 Apr 2021 15:07:25 +0000 Received: from CO1NAM11FT052.eop-nam11.prod.protection.outlook.com (2603:10b6:300:ed:cafe::1e) by MWHPR20CA0048.outlook.office365.com (2603:10b6:300:ed::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4065.20 via Frontend Transport; Wed, 21 Apr 2021 15:07:25 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.112.34) smtp.mailfrom=nvidia.com; google.com; dkim=none (message not signed) header.d=none;google.com; dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.112.34 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.112.34; helo=mail.nvidia.com; Received: from mail.nvidia.com (216.228.112.34) by CO1NAM11FT052.mail.protection.outlook.com (10.13.174.225) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.4065.21 via Frontend Transport; Wed, 21 Apr 2021 15:07:25 +0000 Received: from [10.26.49.10] (172.20.145.6) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 21 Apr 2021 15:07:15 +0000 Subject: Re: [PATCH v4 05/10] signal: Introduce TRAP_PERF si_code and si_perf to siginfo To: Marco Elver , , , , , , , , CC: , , , , , , , , , , , , , , , , , Geert Uytterhoeven , linux-tegra References: <20210408103605.1676875-1-elver@google.com> <20210408103605.1676875-6-elver@google.com> From: Jon Hunter Message-ID: <81254854-aa22-fab1-fc6f-22716b7c2732@nvidia.com> Date: Wed, 21 Apr 2021 16:07:13 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210408103605.1676875-6-elver@google.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [172.20.145.6] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To HQMAIL107.nvidia.com (172.20.187.13) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ec883513-a740-4be9-fa1c-08d904d72c58 X-MS-TrafficTypeDiagnostic: MWHPR12MB1519: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1148; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: ZoEHylcQurSelIXMAse60Pl6Vp6bWaXID/qD8iT4o2P7RDDj09dep7ybG0PGNTIPZtrO9bL8NPbghZ0enkUWyMBZHN91/+9n3JH8RjMdG0FpCQpYFunme/rAmMpWYWbpFgSVoLlp38AdziHzW+l++RuDY6RB+1NZNDrETm9xjiQskn+FvWbBj8tGw+awC08bZivrPCGC+N4yeGJ0nRtHW/jK7VZEd96vE1vusNKT2fFsXrIAvJ5+0hgJzCt0s3ethMw3JY+W2fpjSfxvUVI+XaNFFVZDHe/AgqpzSx/ujjyxX/hlP63lBz5WH84Y7nSKUF0hs0gksFl/oK/JeQjbNcPz4L97lbwW0md54jS6PlF1dc6X9gWV37D5ZBiS4RgxK4w4M05sU5b7Ve7RHZJeZHBUPvhHkmIAycLfi1SgP/yQ1kpZrDowPsp1LLvwso8WrtKUV29Z9oqHLO7JxPgKj5QoTeTDn8uDOdSLg3K+WSFpuul4IJcOPqfOEO2NLp6sR4jA50jUqBjNH8Zxf4rmb1BfuK9k7bzCnZCYm6JrX0qniphrEWqL2Jx8x2P307T3VACyCC7uL7hB2PIvqZ5G1OBZS4Iwykgb5GmrN8QtBtfXFC8J8oFbjpD3ZRqB7I/9wvT/Uqb9mnWRd+KMA/RWz0FsB6iAcEGpucyOox29HCw9x+jUK8+bKTotOMsG5PpWmaPK07XaTUFrDE7s6zKwqg== X-Forefront-Antispam-Report: CIP:216.228.112.34;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:schybrid03.nvidia.com;CAT:NONE;SFS:(4636009)(39860400002)(136003)(396003)(346002)(376002)(46966006)(36840700001)(5660300002)(53546011)(4326008)(316002)(36860700001)(82740400003)(4744005)(82310400003)(47076005)(86362001)(2616005)(7636003)(31696002)(478600001)(2906002)(70206006)(83380400001)(7416002)(8676002)(36756003)(356005)(8936002)(31686004)(70586007)(16526019)(426003)(26005)(16576012)(36906005)(110136005)(186003)(336012)(54906003)(43740500002)(2101003);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Apr 2021 15:07:25.7014 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ec883513-a740-4be9-fa1c-08d904d72c58 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.34];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT052.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR12MB1519 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! On 08/04/2021 11:36, Marco Elver wrote: > Introduces the TRAP_PERF si_code, and associated siginfo_t field > si_perf. These will be used by the perf event subsystem to send signals > (if requested) to the task where an event occurred. > > Acked-by: Geert Uytterhoeven # m68k > Acked-by: Arnd Bergmann # asm-generic > Signed-off-by: Marco Elver Since next-20210420 I have noticed a boot regression on all 32-bit Tegra that we are testing. Bisect is pointing to this commit and reverting this patch and patch 6/10 does resolve the issue. Interestingly there is no apparent crash, but these systems just appear to hang silently after mounting the rootfs. If anyone has any thoughts let me know! Thanks Jon -- nvpublic