From patchwork Sat Jun 27 07:03:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Boichat X-Patchwork-Id: 11629241 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 B1A84618 for ; Sat, 27 Jun 2020 07:03:33 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8FCBF20857 for ; Sat, 27 Jun 2020 07:03:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="EvUBhtFb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8FCBF20857 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F157B6E13F; Sat, 27 Jun 2020 07:03:28 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) by gabe.freedesktop.org (Postfix) with ESMTPS id 297496E08C for ; Sat, 27 Jun 2020 07:03:27 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id u5so5638161pfn.7 for ; Sat, 27 Jun 2020 00:03:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=FsrSKJ+gJUACgrGolhsPdd0vgGMvepJqfy8379JcKu4=; b=EvUBhtFbdA5q/Ln7/JmYkJ4WCSQYr0FDka6B0ToibqDo+KoRIWa5csnmBSRVgeVZpD 3SycW07fCAwTdh+u5tC0gQuOD9UiiaFw8Pzh8+WwWoF+ppc6VrAXas0XCfYV9gXA5Cah O5dfGYTYYOddR91unI7zbYt5VMmXuBus/0h6Y= 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=FsrSKJ+gJUACgrGolhsPdd0vgGMvepJqfy8379JcKu4=; b=tLHG63klHVOZDjaS5Cahdk63iaCuWAB1GFxFhE9/pfA1MVpMA5wdg8V8Ozx1f5wLq4 VT/CBHuswtCRPlJZVl7mzjQegF6kzBaUadR0J+N4nkuFdTqufqSV0sW/Lq6HQbdOM0wn mU+10r/7gFoEVhxLcJ9gLE+JVwcPAKz0bsjzOqgWi9K44u1GHBdnMNjlh+zpUbAAsjX3 3zUgmJq5uT56iz7XxcRGjTFsdARlJvObf1btdT8zYhiQdlzQGBctwjrP7BCwAi0211xG yeEvSxARiEutkHsUcRf5VB7Roh4mJBI2MVeXjZlgaxrkx1YZwdjuKo96NUCIRj3uV2aB ZuWQ== X-Gm-Message-State: AOAM533grFj/jBLWJZ8XEZnvDvo+NWqE31rs9x4duWS0bnvol+hW/a1t FPUtrHK2mNZDb3Fz/61Bp0nv0A== X-Google-Smtp-Source: ABdhPJyZFG/mi1UZ8xodyex8KRwcp8OsluVaczS/+idWJyqCQQeS3g8ufLKi4ZbrLW2qKEXgiYfBLw== X-Received: by 2002:a62:5c85:: with SMTP id q127mr5814143pfb.311.1593241406667; Sat, 27 Jun 2020 00:03:26 -0700 (PDT) Received: from drinkcat2.tpe.corp.google.com ([2401:fa00:1:b:d8b7:33af:adcb:b648]) by smtp.gmail.com with ESMTPSA id u4sm28133269pfl.102.2020.06.27.00.03.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Jun 2020 00:03:25 -0700 (PDT) From: Nicolas Boichat To: linux-kernel@vger.kernel.org Subject: [PATCH 0/4] Detect and remove trace_printk Date: Sat, 27 Jun 2020 15:03:03 +0800 Message-Id: <20200627070307.516803-1-drinkcat@chromium.org> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Chen , "Guilherme G . Piccoli" , Rafael Aquini , Sam Ravnborg , David Airlie , Todor Tomov , Bjorn Andersson , David Howells , Tiezhu Yang , Will Deacon , Christian Brauner , Kees Cook , devel@driverdev.osuosl.org, Stephen Rothwell , Nicolas Boichat , Jayshri Pawar , Masahiro Yamada , Alexei Starovoitov , Jason Gunthorpe , Andy Gross , Tomas Winkler , Alexey Dobriyan , linux-media@vger.kernel.org, Pawel Laszczak , Arnd Bergmann , linux-arm-msm@vger.kernel.org, intel-gfx@lists.freedesktop.org, Chao Yu , Steven Rostedt , Rodrigo Vivi , Jaegeuk Kim , Thomas Gleixner , Mauro Carvalho Chehab , Ingo Molnar , Roger Quadros , Felipe Balbi , Greg Kroah-Hartman , dri-devel@lists.freedesktop.org, linux-usb@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, Andy Shevchenko , Sakari Ailus , Colin Ian King , Andrew Morton , Divya Indi Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" trace_printk is meant as a debugging tool, and should not be compiled into production code without specific debug Kconfig options enabled or source code changes. Patches 1 to 3 remove/disable trace_printk that should not be enabled by default. Patch 4 adds a config option that can be used to detect such trace_printk at compile time (instead of printing a nasty warning at runtime). Nicolas Boichat (4): usb: cdns3: gadget: Replace trace_printk by dev_dbg media: atomisp: Replace trace_printk by pr_info media: camss: vfe: Use trace_printk for debugging only kernel/trace: Add TRACING_ALLOW_PRINTK config option drivers/gpu/drm/i915/Kconfig.debug | 4 ++-- .../media/platform/qcom/camss/camss-vfe-4-1.c | 2 ++ .../media/platform/qcom/camss/camss-vfe-4-7.c | 2 ++ drivers/staging/media/atomisp/pci/hmm/hmm.c | 10 +++++----- drivers/usb/cdns3/gadget.c | 2 +- fs/f2fs/Kconfig | 1 + include/linux/kernel.h | 17 ++++++++++++++++- kernel/trace/Kconfig | 10 ++++++++++ samples/Kconfig | 2 ++ 9 files changed, 41 insertions(+), 9 deletions(-)