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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF3B4C2BA16 for ; Tue, 7 Apr 2020 06:52:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 75C3620692 for ; Tue, 7 Apr 2020 06:52:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kroah.com header.i=@kroah.com header.b="TaIMA9ZQ"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="q6QAn03e" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726393AbgDGGwU (ORCPT ); Tue, 7 Apr 2020 02:52:20 -0400 Received: from wout4-smtp.messagingengine.com ([64.147.123.20]:45565 "EHLO wout4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726030AbgDGGwT (ORCPT ); Tue, 7 Apr 2020 02:52:19 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.west.internal (Postfix) with ESMTP id 45FDE6A3; Tue, 7 Apr 2020 02:52:18 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Tue, 07 Apr 2020 02:52:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm3; bh=VnZixAcAV+VvdCuDr09IqmEOF+J YKHYuBulHUlCgYuk=; b=TaIMA9ZQgg/1AK728uU80EWY0Dzy/7NdX4fFQ8Ep0LA ZAB0fmL+QqCgUoiQkRPAUNt3noL9PV7j0A2PDHHJPX+OV3ZiljBrZsrZK6t6BEP1 lZb/MknPowHEpc2m8GFiwSv+uzIsLlJ6jvW8Ga6O3OQ7CUZE+5M+JFgnEtawB2IJ IRxiAoNS2JzTilWYVSaO0yug78Zz6vqkm+uEFqUJOq3zHR7bqszKIiCg8jalAHjl TCs7Ms4vqdObeokHk1sBcud5N3LV37zWLrYNf7I0ijLMxipc+kBBY8a2pYOUPL7h GCQJNQovuRRy5ydldgYBSEsQuhX/JUBKMTC1gxskuoA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=VnZixA cAV+VvdCuDr09IqmEOF+JYKHYuBulHUlCgYuk=; b=q6QAn03e0wbs4PwIN0sUj1 UiWWbWlm5ns3yYXKUi8jbFpsQDl2lumg319cpXyTVoqKdC+0kiLz3UeeJCiET7bE JuxNGXHPHz9z7TQCzX6CJ2D8vKVh74oZGn8w3ln/AdokD6q+UdFU9SWbc2Eo8qPF JRwBShWv7dYTwzFXckkHT7dQ/EzKSUxJJJ1b+azOCzwPmtNMbPuKamxvzkhLmsTt l1PXiZORD99aowdQeDd8BAJlhSIl8M/wWLJ2fQNlzH3Jj3HOn2W9vpwU4nRd2wmL RKV7OiwF+h0gDS7sidtb1nBEmJsTYkLWZKkGVBieBQ7mIHDFIus8fbchLlVPwutw == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduhedrudeggdduuddtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpefirhgvghcu mffjuceoghhrvghgsehkrhhorghhrdgtohhmqeenucfkphepkeefrdekiedrkeelrddutd ejnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepghhr vghgsehkrhhorghhrdgtohhm X-ME-Proxy: Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) by mail.messagingengine.com (Postfix) with ESMTPA id 933BF306C4E3; Tue, 7 Apr 2020 02:52:15 -0400 (EDT) Date: Tue, 7 Apr 2020 08:52:10 +0200 From: Greg KH To: Sultan Alsawaf Cc: stable@vger.kernel.org, Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , David Airlie , Daniel Vetter , Chris Wilson , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH 0/1] drm/i915: Fix a deadlock that only affects 5.4 Message-ID: <20200407065210.GA263852@kroah.com> References: <20200407062622.6443-1-sultan@kerneltoast.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200407062622.6443-1-sultan@kerneltoast.com> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Apr 06, 2020 at 11:26:21PM -0700, Sultan Alsawaf wrote: > From: Sultan Alsawaf > > Hi, > > There's a mutex lock deadlock in i915 that only affects 5.4, but was fixed in > 5.5. Normally, I would send a backport of the fix from 5.5, but the patch set > that fixes the deadlock involves massive changes that are neither feasible nor > desirable for backporting [1][2][3]. Therefore, I've made a small patch that > only addresses the deadlock specifically for 5.4. This paragraph needs to go into the patch itself, otherwise just looking at that doesn't make any sense. And you do not need a cover letter for a single patch. Please fix up and resend. thanks, greg k-h 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 X-Spam-Level: X-Spam-Status: No, score=-0.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF748C2BABC for ; Tue, 7 Apr 2020 06:52:24 +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 A6A4D20692 for ; Tue, 7 Apr 2020 06:52:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kroah.com header.i=@kroah.com header.b="TaIMA9ZQ"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="q6QAn03e" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6A4D20692 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kroah.com 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 1A0E16E51D; Tue, 7 Apr 2020 06:52:23 +0000 (UTC) Received: from wout4-smtp.messagingengine.com (wout4-smtp.messagingengine.com [64.147.123.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A9496E51C; Tue, 7 Apr 2020 06:52:21 +0000 (UTC) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.west.internal (Postfix) with ESMTP id 45FDE6A3; Tue, 7 Apr 2020 02:52:18 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Tue, 07 Apr 2020 02:52:18 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm3; bh=VnZixAcAV+VvdCuDr09IqmEOF+J YKHYuBulHUlCgYuk=; b=TaIMA9ZQgg/1AK728uU80EWY0Dzy/7NdX4fFQ8Ep0LA ZAB0fmL+QqCgUoiQkRPAUNt3noL9PV7j0A2PDHHJPX+OV3ZiljBrZsrZK6t6BEP1 lZb/MknPowHEpc2m8GFiwSv+uzIsLlJ6jvW8Ga6O3OQ7CUZE+5M+JFgnEtawB2IJ IRxiAoNS2JzTilWYVSaO0yug78Zz6vqkm+uEFqUJOq3zHR7bqszKIiCg8jalAHjl TCs7Ms4vqdObeokHk1sBcud5N3LV37zWLrYNf7I0ijLMxipc+kBBY8a2pYOUPL7h GCQJNQovuRRy5ydldgYBSEsQuhX/JUBKMTC1gxskuoA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=VnZixA cAV+VvdCuDr09IqmEOF+JYKHYuBulHUlCgYuk=; b=q6QAn03e0wbs4PwIN0sUj1 UiWWbWlm5ns3yYXKUi8jbFpsQDl2lumg319cpXyTVoqKdC+0kiLz3UeeJCiET7bE JuxNGXHPHz9z7TQCzX6CJ2D8vKVh74oZGn8w3ln/AdokD6q+UdFU9SWbc2Eo8qPF JRwBShWv7dYTwzFXckkHT7dQ/EzKSUxJJJ1b+azOCzwPmtNMbPuKamxvzkhLmsTt l1PXiZORD99aowdQeDd8BAJlhSIl8M/wWLJ2fQNlzH3Jj3HOn2W9vpwU4nRd2wmL RKV7OiwF+h0gDS7sidtb1nBEmJsTYkLWZKkGVBieBQ7mIHDFIus8fbchLlVPwutw == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduhedrudeggdduuddtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpefirhgvghcu mffjuceoghhrvghgsehkrhhorghhrdgtohhmqeenucfkphepkeefrdekiedrkeelrddutd ejnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepghhr vghgsehkrhhorghhrdgtohhm X-ME-Proxy: Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) by mail.messagingengine.com (Postfix) with ESMTPA id 933BF306C4E3; Tue, 7 Apr 2020 02:52:15 -0400 (EDT) Date: Tue, 7 Apr 2020 08:52:10 +0200 From: Greg KH To: Sultan Alsawaf Subject: Re: [PATCH 0/1] drm/i915: Fix a deadlock that only affects 5.4 Message-ID: <20200407065210.GA263852@kroah.com> References: <20200407062622.6443-1-sultan@kerneltoast.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200407062622.6443-1-sultan@kerneltoast.com> 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: dri-devel@lists.freedesktop.org, David Airlie , intel-gfx@lists.freedesktop.org, Chris Wilson , stable@vger.kernel.org, Rodrigo Vivi Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Mon, Apr 06, 2020 at 11:26:21PM -0700, Sultan Alsawaf wrote: > From: Sultan Alsawaf > > Hi, > > There's a mutex lock deadlock in i915 that only affects 5.4, but was fixed in > 5.5. Normally, I would send a backport of the fix from 5.5, but the patch set > that fixes the deadlock involves massive changes that are neither feasible nor > desirable for backporting [1][2][3]. Therefore, I've made a small patch that > only addresses the deadlock specifically for 5.4. This paragraph needs to go into the patch itself, otherwise just looking at that doesn't make any sense. And you do not need a cover letter for a single patch. Please fix up and resend. thanks, greg k-h _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel 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 X-Spam-Level: X-Spam-Status: No, score=-0.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 505F6C2BA80 for ; Tue, 7 Apr 2020 06:52:23 +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 26E3C20692 for ; Tue, 7 Apr 2020 06:52:23 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Tue, 7 Apr 2020 02:52:15 -0400 (EDT) Date: Tue, 7 Apr 2020 08:52:10 +0200 From: Greg KH To: Sultan Alsawaf Message-ID: <20200407065210.GA263852@kroah.com> References: <20200407062622.6443-1-sultan@kerneltoast.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200407062622.6443-1-sultan@kerneltoast.com> Subject: Re: [Intel-gfx] [PATCH 0/1] drm/i915: Fix a deadlock that only affects 5.4 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org, David Airlie , intel-gfx@lists.freedesktop.org, Chris Wilson , stable@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Mon, Apr 06, 2020 at 11:26:21PM -0700, Sultan Alsawaf wrote: > From: Sultan Alsawaf > > Hi, > > There's a mutex lock deadlock in i915 that only affects 5.4, but was fixed in > 5.5. Normally, I would send a backport of the fix from 5.5, but the patch set > that fixes the deadlock involves massive changes that are neither feasible nor > desirable for backporting [1][2][3]. Therefore, I've made a small patch that > only addresses the deadlock specifically for 5.4. This paragraph needs to go into the patch itself, otherwise just looking at that doesn't make any sense. And you do not need a cover letter for a single patch. Please fix up and resend. thanks, greg k-h _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx