From patchwork Tue Mar 24 05:29:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 11454493 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1B4446CA for ; Tue, 24 Mar 2020 05:29:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E6BB22073E for ; Tue, 24 Mar 2020 05:29:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="OVJfwC4b" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725941AbgCXF3K (ORCPT ); Tue, 24 Mar 2020 01:29:10 -0400 Received: from mail-pj1-f65.google.com ([209.85.216.65]:35742 "EHLO mail-pj1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725853AbgCXF3J (ORCPT ); Tue, 24 Mar 2020 01:29:09 -0400 Received: by mail-pj1-f65.google.com with SMTP id g9so920623pjp.0 for ; Mon, 23 Mar 2020 22:29:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=ra3lKpyRwpXEMv7HLjwjk2xlSk4Do59iXflfneeNh40=; b=OVJfwC4b1PEr/2jykKzhhdZvbXbHUcn76l1jFofytmydV+hZD1SG74gGKktPsDAqSN zFKJ9gjIseLoywqXUMffqa6z41YelbniVwpLO4cn8k0/mGxSfs7+o5oFd6hvmdDBA392 TgFhjkqejJ48IaOASEmZVcLA3uow/kBIBJQFR1sTibJHVU9HxbwaajHYFBRxYfkt7Lfc nhCBas2c5k3T//9GSC0RH3Dr+dlmRIu9zN8KVHOIwDLqy2qQQJMantm2Ab9ZGL/wN+9z m5wDS3bK9tYy8DXYGGxibpI3a8L9q46iPYyA83+bBvhoIk76AogOmzXTIYGzB8UYj+2N q1iA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=ra3lKpyRwpXEMv7HLjwjk2xlSk4Do59iXflfneeNh40=; b=NxriYmrtU/8Opl6gc4rmnxbwjisxG+5h1hy8uLR2YtoNHH9WSnS1p3UOOC/t2D+PJM SMx8KoyO1Owy2/K5CXTynjtnuhjsvv4pWNhRBq2FWyzce+K2Mi3+kgRVnxunhWA7/qDe Gpc0IrdkoonoCgy8e0cmK0xrgFSMCA6lsl7KAWAYur+Qv7fnH5FOpTJpndIGKDtMP1aR ffptCBWG4QzlszLs5KeofjiH9OfDWuVS1xYJN3NQKYXmLGGDQx17pCaW8JHzDSk1eqN+ eQ2PTnSO3DzFwHXv8XvQ6hYNjz6mL1IXDiL8yhUjDGc46lKTrUh1WCGwjWLHMtH3swIt MHBA== X-Gm-Message-State: ANhLgQ07hM7RbRzo2CsL4ZoRd4d/3enCpyBPNeeRdcVXYL1O6sL9TcM9 04VLVYgmT7M6y8/k3E1w8oixzw== X-Google-Smtp-Source: ADFU+vtODNbfRHAyBz68wwxhAstaZapwyPZvFzxoO8Q8NW3QROIugYa6Kgu2ZXMASrFt7wQDdwTfxA== X-Received: by 2002:a17:90a:bd01:: with SMTP id y1mr3362201pjr.129.1585027748925; Mon, 23 Mar 2020 22:29:08 -0700 (PDT) Received: from localhost.localdomain (104-188-17-28.lightspeed.sndgca.sbcglobal.net. [104.188.17.28]) by smtp.gmail.com with ESMTPSA id j14sm2795413pgk.74.2020.03.23.22.29.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2020 22:29:08 -0700 (PDT) From: Bjorn Andersson To: Andy Gross , Bjorn Andersson , Ohad Ben-Cohen Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 0/4] remoteproc: Panic handling Date: Mon, 23 Mar 2020 22:29:00 -0700 Message-Id: <20200324052904.738594-1-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Add support for invoking a panic handler in remoteproc drivers, to allow them to invoke e.g. cache flushing on the remote processors in response to a kernel panic - to aid in post mortem debugging of system issues. Bjorn Andersson (4): remoteproc: Traverse rproc_list under RCU read lock remoteproc: Introduce "panic" callback in ops remoteproc: qcom: q6v5: Add common panic handler remoteproc: qcom: Introduce panic handler for PAS and ADSP drivers/remoteproc/qcom_q6v5.c | 20 ++++++++++ drivers/remoteproc/qcom_q6v5.h | 1 + drivers/remoteproc/qcom_q6v5_adsp.c | 8 ++++ drivers/remoteproc/qcom_q6v5_pas.c | 8 ++++ drivers/remoteproc/remoteproc_core.c | 57 +++++++++++++++++++++++++--- include/linux/remoteproc.h | 3 ++ 6 files changed, 92 insertions(+), 5 deletions(-)