From patchwork Sun Sep 27 16:20:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sai Prakash Ranjan X-Patchwork-Id: 11802203 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 F1AE5112C for ; Sun, 27 Sep 2020 16:20:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D625E221E5 for ; Sun, 27 Sep 2020 16:20:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="I30z4y/T" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726239AbgI0QUZ (ORCPT ); Sun, 27 Sep 2020 12:20:25 -0400 Received: from m42-4.mailgun.net ([69.72.42.4]:10026 "EHLO m42-4.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726255AbgI0QUX (ORCPT ); Sun, 27 Sep 2020 12:20:23 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1601223622; h=Content-Transfer-Encoding: MIME-Version: Message-Id: Date: Subject: Cc: To: From: Sender; bh=NwY+9pyXoa+omO25i3/YebXXaYhAzcyQec10Z2afrhQ=; b=I30z4y/Tcl9xBgUpIJF/Jvv641NCPukTaKn+oWaYwtI5G11CRv81PFjdLMhVXtjGd8YrUNzl GHwyxDHEdwqIYkwvnaMaSrSGYMUahSvjyfPzlRPStdUFkLK0F/mHuEQTo+0lSECiwS6vF74h NjUdZnlKVu/orBS7/rYOZwy42YA= X-Mailgun-Sending-Ip: 69.72.42.4 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-east-1.postgun.com with SMTP id 5f70bbc49cd44bf51a66a567 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Sun, 27 Sep 2020 16:20:20 GMT Sender: saiprakash.ranjan=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id F0BFDC43395; Sun, 27 Sep 2020 16:20:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=ALL_TRUSTED,BAYES_00,SPF_FAIL autolearn=no autolearn_force=no version=3.4.0 Received: from blr-ubuntu-253.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: saiprakash.ranjan) by smtp.codeaurora.org (Postfix) with ESMTPSA id AC36DC433CB; Sun, 27 Sep 2020 16:20:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org AC36DC433CB Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=saiprakash.ranjan@codeaurora.org From: Sai Prakash Ranjan To: Mathieu Poirier , Suzuki K Poulose , Mike Leach , Leo Yan Cc: Alexander Shishkin , Peter Zijlstra , coresight@lists.linaro.org, Stephen Boyd , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, denik@google.com, Sai Prakash Ranjan Subject: [PATCH 0/2] Coresight ETF NULL pointer dereference and ETM save/restore fixes Date: Sun, 27 Sep 2020 21:50:02 +0530 Message-Id: X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This 2 patch series provides fixes to ETF null pointer dereference crash and TRCVMIDCCTLR1 register save and restore fix. Patch 1 is an RFC since I am not sure of the fix provided since it looks more like a band-aid than the actual fix. Sai Prakash Ranjan (2): coresight: tmc-etf: Fix NULL pointer dereference in tmc_enable_etf_sink_perf() coresight: etm4x: Fix save and restore of TRCVMIDCCTLR1 register drivers/hwtracing/coresight/coresight-etm4x-core.c | 4 ++-- drivers/hwtracing/coresight/coresight-tmc-etf.c | 3 +++ 2 files changed, 5 insertions(+), 2 deletions(-) base-commit: e209e73bee253afe969410150248f0c300c13d84