From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 5EC74C83F14 for ; Wed, 9 Jul 2025 18:45:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0CDBE10E35C; Wed, 9 Jul 2025 18:45:31 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="hu5bfmAR"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id AEA1B10E35C for ; Wed, 9 Jul 2025 18:45:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1752086729; x=1783622729; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FCJ4IU4j+U6xQMZgZnRxgXoyukF8eMT2iB3TNiA16Vg=; b=hu5bfmARMsAd3Kb2mlKXv4GQ5rM7z9od0FSESfKH+HLzBEhMJLxE+Lrz tG0NtRYsyTtNy1psXi2PK6GjPfhqyLDJv1v95G8XmPvLM4r+htX4FH9h4 BFg8ObgYz9febnlVEgNsDpgcNAnPCE/yDaKuoLsTU+RpAIlzLZRuUsPhZ v+7vyXrV5rElLGf9fWMjg+6xDrrysBZg4yUbQosHRhRCeVooqiKxcEeiB FDhye8zUOIx2zFZZhZswoJh2SfrzMYUFVNhPxIFJzCJAagakX/0H3x1d9 MCQTrp7KCX8V27U5z5RC5WgI0BCnCL6nHrbW/PrsiNAuSu/INJ/BtfZgg A==; X-CSE-ConnectionGUID: M05dFMJLQwCLtV/QM9sdKQ== X-CSE-MsgGUID: i6i2NN2CTtWJTG10YlORYw== X-IronPort-AV: E=McAfee;i="6800,10657,11489"; a="54451061" X-IronPort-AV: E=Sophos;i="6.16,298,1744095600"; d="scan'208";a="54451061" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2025 11:45:29 -0700 X-CSE-ConnectionGUID: I8O39gK/Q6qL7l/xbXp+DQ== X-CSE-MsgGUID: 14A1zAVQQZer+12UkG7BGg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,298,1744095600"; d="scan'208";a="161404871" Received: from mjruhl-desk.amr.corp.intel.com (HELO mjruhl-desk.intel.com) ([10.124.221.121]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2025 11:45:28 -0700 From: "Michael J. Ruhl" To: platform-driver-x86@vger.kernel.org, intel-xe@lists.freedesktop.org, hdegoede@redhat.com, ilpo.jarvinen@linux.intel.com, lucas.demarchi@intel.com, rodrigo.vivi@intel.com, thomas.hellstrom@linux.intel.com, airlied@gmail.com, simona@ffwll.ch, david.e.box@linux.intel.com Cc: "Michael J. Ruhl" Subject: [PATCH v7 06/12] platform/x86/intel/pmt: re-order trigger logic Date: Wed, 9 Jul 2025 14:44:52 -0400 Message-ID: <20250709184458.298283-7-michael.j.ruhl@intel.com> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250709184458.298283-1-michael.j.ruhl@intel.com> References: <20250709184458.298283-1-michael.j.ruhl@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Setting the clear bit or checking the complete bit before checking to see if crashlog is disabled seems incorrect. Check disable before accessing any other bits. Reviewed-by: Ilpo Järvinen Reviewed-by: David E. Box Signed-off-by: Michael J. Ruhl --- drivers/platform/x86/intel/pmt/crashlog.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/intel/pmt/crashlog.c b/drivers/platform/x86/intel/pmt/crashlog.c index c3ca95854aba..440d2045e90d 100644 --- a/drivers/platform/x86/intel/pmt/crashlog.c +++ b/drivers/platform/x86/intel/pmt/crashlog.c @@ -193,6 +193,10 @@ trigger_store(struct device *dev, struct device_attribute *attr, guard(mutex)(&entry->control_mutex); + /* if device is currently disabled, return busy */ + if (pmt_crashlog_disabled(&entry->entry)) + return -EBUSY; + if (!trigger) { pmt_crashlog_set_clear(&entry->entry); return count; @@ -202,10 +206,6 @@ trigger_store(struct device *dev, struct device_attribute *attr, if (pmt_crashlog_complete(&entry->entry)) return -EEXIST; - /* if device is currently disabled, return busy */ - if (pmt_crashlog_disabled(&entry->entry)) - return -EBUSY; - pmt_crashlog_set_execute(&entry->entry); return count; -- 2.50.0