From patchwork Thu Nov 16 08:39:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Kuoppala X-Patchwork-Id: 10060835 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EC607601AE for ; Thu, 16 Nov 2017 08:40:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DAFE32A8A5 for ; Thu, 16 Nov 2017 08:40:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CFBF42A8AA; Thu, 16 Nov 2017 08:40:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6C1682A8A5 for ; Thu, 16 Nov 2017 08:40:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 694C46E746; Thu, 16 Nov 2017 08:40:24 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 334996E746 for ; Thu, 16 Nov 2017 08:40:22 +0000 (UTC) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Nov 2017 00:40:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,402,1505804400"; d="scan'208";a="5602790" Received: from rosetta.fi.intel.com ([10.237.72.186]) by orsmga001.jf.intel.com with ESMTP; 16 Nov 2017 00:40:20 -0800 Received: by rosetta.fi.intel.com (Postfix, from userid 1000) id 1CED8840494; Thu, 16 Nov 2017 10:39:56 +0200 (EET) From: Mika Kuoppala To: intel-gfx@lists.freedesktop.org Date: Thu, 16 Nov 2017 10:39:54 +0200 Message-Id: <20171116083954.3357-1-mika.kuoppala@linux.intel.com> X-Mailer: git-send-email 2.11.0 Subject: [Intel-gfx] [CI] drm/i915: Print the condition causing GEM_BUG_ON X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP It is easier to categorize and debug bugs if the failed condition is in plain sight in the actual dmesg output. Make it so. Cc: Chris Wilson Cc: Joonas Lahtinen Cc: Marta Lofstedt Signed-off-by: Mika Kuoppala Reviewed-by: Joonas Lahtinen Reviewed-by: Marta Lofstedt --- drivers/gpu/drm/i915/i915_gem.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h index ff42b5f0e981..e920dab7f1b8 100644 --- a/drivers/gpu/drm/i915/i915_gem.h +++ b/drivers/gpu/drm/i915/i915_gem.h @@ -28,7 +28,11 @@ #include #ifdef CONFIG_DRM_I915_DEBUG_GEM -#define GEM_BUG_ON(expr) BUG_ON(expr) +#define GEM_BUG_ON(condition) do { if (unlikely((condition))) { \ + printk(KERN_ERR "GEM_BUG_ON(%s)\n", __stringify(condition)); \ + BUG(); \ + } \ + } while(0) #define GEM_WARN_ON(expr) WARN_ON(expr) #define GEM_DEBUG_DECL(var) var