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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 CF5B3C433E0 for ; Thu, 4 Jun 2020 06:38:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A8894207D5 for ; Thu, 4 Jun 2020 06:38:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591252682; bh=O1a535rP16XFYofg4bMZWQkFl2JLEEYgVYDf/xPj9AA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=c2wvO4di/I4WU94mvyw0t3cAei4+dmrEtamWWCkIDHuwmyG8fr9sDi1+iJhHliXjG x+MqILRCgY0HywRY3uUU6u5W4K+copjFTnPgjV+k12fFXnfuGxL4uW2NO55BcNPGUo 2EMHI8UJi/+yik3+V8YZI0TH+JS3yhGmf+ndmHhI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726762AbgFDGh6 (ORCPT ); Thu, 4 Jun 2020 02:37:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:36888 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726364AbgFDGh5 (ORCPT ); Thu, 4 Jun 2020 02:37:57 -0400 Received: from kernel.org (unknown [87.71.78.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE6B9206C3; Thu, 4 Jun 2020 06:37:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591252677; bh=O1a535rP16XFYofg4bMZWQkFl2JLEEYgVYDf/xPj9AA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JfERwxMXEu2kI9XoIT9dWNXO1rREUwNy4knLypfsDDn3RoK04PQ+VcJ9cU4AiLvZ9 zgKMGrd4au2WatdA8yMk1LlH6XWepwggHO+6JEHEW8/tg+Uifk/2Ah/6wTBJLxUsMO hIlar1DcvGQ6J2i69MlWxGfbGkXBQIZ5oY21iu3Y= Date: Thu, 4 Jun 2020 09:37:45 +0300 From: Mike Rapoport To: Ira Weiny Cc: Guenter Roeck , Andrew Morton , linux-kernel@vger.kernel.org, Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , "David S. Miller" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Chris Zankel , Max Filippov , Dan Williams , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dri-devel@lists.freedesktop.org, Christian Koenig , Al Viro , Christoph Hellwig Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice Message-ID: <20200604063745.GB202650@kernel.org> References: <20200519165422.GA5838@roeck-us.net> <20200519184031.GB3356843@iweiny-DESK2.sc.intel.com> <20200519194215.GA71941@roeck-us.net> <20200520051315.GA3660833@iweiny-DESK2.sc.intel.com> <20200521174250.GB176262@iweiny-DESK2.sc.intel.com> <20200603135736.e7b5ded0082a81ae6d9067a0@linux-foundation.org> <20200603211416.GA1740285@iweiny-DESK2.sc.intel.com> <3538c8ad-674e-d310-d870-4ef6888092ed@roeck-us.net> <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On Wed, Jun 03, 2020 at 11:22:26PM -0700, Ira Weiny wrote: > On Wed, Jun 03, 2020 at 04:44:17PM -0700, Guenter Roeck wrote: > > With linux-next on sparc I too see the spinlock issue; something like: > > ... > Starting syslogd: BUG: spinlock recursion on CPU#0, S01syslogd/139 > lock: 0xf53ef350, .magic: dead4ead, .owner: S01syslogd/139, .owner_cpu: 0 > CPU: 0 PID: 139 Comm: S01syslogd Not tainted 5.7.0-next-20200603 #1 > [f0067d00 : > do_raw_spin_lock+0xa8/0xd8 ] > [f00d598c : > copy_page_range+0x328/0x804 ] > [f0025c34 : > dup_mm+0x334/0x434 ] > [f0027198 : > copy_process+0x1248/0x12d4 ] > [f00273b8 : > _do_fork+0x54/0x30c ] > [f00276e4 : > do_fork+0x5c/0x6c ] > [f000de44 : > sparc_do_fork+0x18/0x38 ] > [f000b7f4 : > do_syscall+0x34/0x40 ] > [5010cd4c : > 0x5010cd4c ] > > > I'm going to bisect between there and HEAD. The sparc issue should be fixed by https://lore.kernel.org/lkml/20200526173302.377-1-will@kernel.org > Ira -- Sincerely yours, Mike. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Rapoport Date: Thu, 04 Jun 2020 06:37:45 +0000 Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice Message-Id: <20200604063745.GB202650@kernel.org> List-Id: References: <20200519165422.GA5838@roeck-us.net> <20200519184031.GB3356843@iweiny-DESK2.sc.intel.com> <20200519194215.GA71941@roeck-us.net> <20200520051315.GA3660833@iweiny-DESK2.sc.intel.com> <20200521174250.GB176262@iweiny-DESK2.sc.intel.com> <20200603135736.e7b5ded0082a81ae6d9067a0@linux-foundation.org> <20200603211416.GA1740285@iweiny-DESK2.sc.intel.com> <3538c8ad-674e-d310-d870-4ef6888092ed@roeck-us.net> <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> In-Reply-To: <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Ira Weiny Cc: Peter Zijlstra , Dave Hansen , dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, "James E.J. Bottomley" , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Dan Williams , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Christoph Hellwig , Ingo Molnar , linux-snps-arc@lists.infradead.org, Guenter Roeck , linux-xtensa@linux-xtensa.org, Borislav Petkov , Al Viro , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Chris Zankel , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, Christian Koenig , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" On Wed, Jun 03, 2020 at 11:22:26PM -0700, Ira Weiny wrote: > On Wed, Jun 03, 2020 at 04:44:17PM -0700, Guenter Roeck wrote: > > With linux-next on sparc I too see the spinlock issue; something like: > > ... > Starting syslogd: BUG: spinlock recursion on CPU#0, S01syslogd/139 > lock: 0xf53ef350, .magic: dead4ead, .owner: S01syslogd/139, .owner_cpu: 0 > CPU: 0 PID: 139 Comm: S01syslogd Not tainted 5.7.0-next-20200603 #1 > [f0067d00 : > do_raw_spin_lock+0xa8/0xd8 ] > [f00d598c : > copy_page_range+0x328/0x804 ] > [f0025c34 : > dup_mm+0x334/0x434 ] > [f0027198 : > copy_process+0x1248/0x12d4 ] > [f00273b8 : > _do_fork+0x54/0x30c ] > [f00276e4 : > do_fork+0x5c/0x6c ] > [f000de44 : > sparc_do_fork+0x18/0x38 ] > [f000b7f4 : > do_syscall+0x34/0x40 ] > [5010cd4c : > 0x5010cd4c ] > > > I'm going to bisect between there and HEAD. The sparc issue should be fixed by https://lore.kernel.org/lkml/20200526173302.377-1-will@kernel.org > Ira -- Sincerely yours, Mike. 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_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 6EA16C433DF for ; Thu, 4 Jun 2020 06:39:42 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 1D2EA206C3 for ; Thu, 4 Jun 2020 06:39:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="JfERwxMX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1D2EA206C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49cx3038t1zDqnM for ; Thu, 4 Jun 2020 16:39:40 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=rppt@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=JfERwxMX; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49cx140cZjzDqWN for ; Thu, 4 Jun 2020 16:37:59 +1000 (AEST) Received: from kernel.org (unknown [87.71.78.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE6B9206C3; Thu, 4 Jun 2020 06:37:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591252677; bh=O1a535rP16XFYofg4bMZWQkFl2JLEEYgVYDf/xPj9AA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JfERwxMXEu2kI9XoIT9dWNXO1rREUwNy4knLypfsDDn3RoK04PQ+VcJ9cU4AiLvZ9 zgKMGrd4au2WatdA8yMk1LlH6XWepwggHO+6JEHEW8/tg+Uifk/2Ah/6wTBJLxUsMO hIlar1DcvGQ6J2i69MlWxGfbGkXBQIZ5oY21iu3Y= Date: Thu, 4 Jun 2020 09:37:45 +0300 From: Mike Rapoport To: Ira Weiny Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice Message-ID: <20200604063745.GB202650@kernel.org> References: <20200519165422.GA5838@roeck-us.net> <20200519184031.GB3356843@iweiny-DESK2.sc.intel.com> <20200519194215.GA71941@roeck-us.net> <20200520051315.GA3660833@iweiny-DESK2.sc.intel.com> <20200521174250.GB176262@iweiny-DESK2.sc.intel.com> <20200603135736.e7b5ded0082a81ae6d9067a0@linux-foundation.org> <20200603211416.GA1740285@iweiny-DESK2.sc.intel.com> <3538c8ad-674e-d310-d870-4ef6888092ed@roeck-us.net> <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Dave Hansen , dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, "James E.J. Bottomley" , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Dan Williams , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Christoph Hellwig , Ingo Molnar , linux-snps-arc@lists.infradead.org, Guenter Roeck , linux-xtensa@linux-xtensa.org, Borislav Petkov , Al Viro , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Chris Zankel , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, Christian Koenig , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, Jun 03, 2020 at 11:22:26PM -0700, Ira Weiny wrote: > On Wed, Jun 03, 2020 at 04:44:17PM -0700, Guenter Roeck wrote: > > With linux-next on sparc I too see the spinlock issue; something like: > > ... > Starting syslogd: BUG: spinlock recursion on CPU#0, S01syslogd/139 > lock: 0xf53ef350, .magic: dead4ead, .owner: S01syslogd/139, .owner_cpu: 0 > CPU: 0 PID: 139 Comm: S01syslogd Not tainted 5.7.0-next-20200603 #1 > [f0067d00 : > do_raw_spin_lock+0xa8/0xd8 ] > [f00d598c : > copy_page_range+0x328/0x804 ] > [f0025c34 : > dup_mm+0x334/0x434 ] > [f0027198 : > copy_process+0x1248/0x12d4 ] > [f00273b8 : > _do_fork+0x54/0x30c ] > [f00276e4 : > do_fork+0x5c/0x6c ] > [f000de44 : > sparc_do_fork+0x18/0x38 ] > [f000b7f4 : > do_syscall+0x34/0x40 ] > [5010cd4c : > 0x5010cd4c ] > > > I'm going to bisect between there and HEAD. The sparc issue should be fixed by https://lore.kernel.org/lkml/20200526173302.377-1-will@kernel.org > Ira -- Sincerely yours, Mike. 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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 AEAA9C433E0 for ; Thu, 4 Jun 2020 06:38:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 839152077D for ; Thu, 4 Jun 2020 06:38:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QyWFRI+6"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="JfERwxMX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 839152077D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ftULUUwmyL27Av1wXWgv0mXb8VYInUqmWbMn1FCaG3E=; b=QyWFRI+6HKhI8l +C9Bnuj1kwEkIc5rSPYc+aBvwU3Pmru/8xfSM25eBRl7XVDNvIG/Guf4rondjqeraEuRluI3OHpOS zLpZ4z35Fs7TeBJHpVMLIulBuPUfxDjgfSSa+tQiHkDSBgoDnrjPT6sgk49JCMZJbnszzfrpyCnpv 7uLUrdc6aYe6s5oDtPFP8q4+G9DhiE5ypcghKxPLg+NvnnwP5eXVZv3iKtEfzEB7iFEdL4qVTGKJ8 HS1pla1JvihKFD/Wz81gII4R9kXsFcWO5a44HtbJvPWu7iabGHnF6uDBlwVsjE0rdXwSjXM3CmzHU wn9BXr+DRG27HIxqI68Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgjVt-00068b-B2; Thu, 04 Jun 2020 06:38:05 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgjVl-00061i-Kx; Thu, 04 Jun 2020 06:37:59 +0000 Received: from kernel.org (unknown [87.71.78.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE6B9206C3; Thu, 4 Jun 2020 06:37:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591252677; bh=O1a535rP16XFYofg4bMZWQkFl2JLEEYgVYDf/xPj9AA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JfERwxMXEu2kI9XoIT9dWNXO1rREUwNy4knLypfsDDn3RoK04PQ+VcJ9cU4AiLvZ9 zgKMGrd4au2WatdA8yMk1LlH6XWepwggHO+6JEHEW8/tg+Uifk/2Ah/6wTBJLxUsMO hIlar1DcvGQ6J2i69MlWxGfbGkXBQIZ5oY21iu3Y= Date: Thu, 4 Jun 2020 09:37:45 +0300 From: Mike Rapoport To: Ira Weiny Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice Message-ID: <20200604063745.GB202650@kernel.org> References: <20200519165422.GA5838@roeck-us.net> <20200519184031.GB3356843@iweiny-DESK2.sc.intel.com> <20200519194215.GA71941@roeck-us.net> <20200520051315.GA3660833@iweiny-DESK2.sc.intel.com> <20200521174250.GB176262@iweiny-DESK2.sc.intel.com> <20200603135736.e7b5ded0082a81ae6d9067a0@linux-foundation.org> <20200603211416.GA1740285@iweiny-DESK2.sc.intel.com> <3538c8ad-674e-d310-d870-4ef6888092ed@roeck-us.net> <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200603_233757_711073_74170BF9 X-CRM114-Status: GOOD ( 10.33 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, "James E.J. Bottomley" , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Dan Williams , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Christoph Hellwig , Ingo Molnar , linux-snps-arc@lists.infradead.org, Guenter Roeck , linux-xtensa@linux-xtensa.org, Borislav Petkov , Al Viro , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Chris Zankel , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, Christian Koenig , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Wed, Jun 03, 2020 at 11:22:26PM -0700, Ira Weiny wrote: > On Wed, Jun 03, 2020 at 04:44:17PM -0700, Guenter Roeck wrote: > > With linux-next on sparc I too see the spinlock issue; something like: > > ... > Starting syslogd: BUG: spinlock recursion on CPU#0, S01syslogd/139 > lock: 0xf53ef350, .magic: dead4ead, .owner: S01syslogd/139, .owner_cpu: 0 > CPU: 0 PID: 139 Comm: S01syslogd Not tainted 5.7.0-next-20200603 #1 > [f0067d00 : > do_raw_spin_lock+0xa8/0xd8 ] > [f00d598c : > copy_page_range+0x328/0x804 ] > [f0025c34 : > dup_mm+0x334/0x434 ] > [f0027198 : > copy_process+0x1248/0x12d4 ] > [f00273b8 : > _do_fork+0x54/0x30c ] > [f00276e4 : > do_fork+0x5c/0x6c ] > [f000de44 : > sparc_do_fork+0x18/0x38 ] > [f000b7f4 : > do_syscall+0x34/0x40 ] > [5010cd4c : > 0x5010cd4c ] > > > I'm going to bisect between there and HEAD. The sparc issue should be fixed by https://lore.kernel.org/lkml/20200526173302.377-1-will@kernel.org > Ira -- Sincerely yours, Mike. _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc 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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 AB336C433E0 for ; Thu, 4 Jun 2020 06:38:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 7CDDE2075B for ; Thu, 4 Jun 2020 06:38:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Q5+X9BPP"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="JfERwxMX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7CDDE2075B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=cDyCJsEb0UHDTUR5QkU3RezMcewqNVX1xPf4lPiFNY0=; b=Q5+X9BPP9544DU Om8pYVCcOR/GHuiZaDFrfw09MOeTvibDZ56fT5ryowuwrEiAcV+QrGpBtWq07Nsv1E4RIPT+8MgS7 QBYv0ByKU012ED8nrQNuJczQ9eXfsB9WprbBODRTCkArUMLJ4YPIlHjBFkJn63R5YNu0aZ7hIn17+ 4/ppbBJRIu7ZfAjLY7zZHPnAU6g6QxkASD5BgFxQnTvY3Zwv7WSKS2sEAcpakvibOYZC3DpXHt+mg kzB0WPuKnTgm2KYSdJWaI7uGm4VEITrYGOwuzan7lxq10QjyIRwaXXShEXt//fXzXQ2wjNlTigUQx auJV05vegHpod+DPuVWw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgjVp-00062M-77; Thu, 04 Jun 2020 06:38:01 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jgjVl-00061i-Kx; Thu, 04 Jun 2020 06:37:59 +0000 Received: from kernel.org (unknown [87.71.78.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE6B9206C3; Thu, 4 Jun 2020 06:37:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591252677; bh=O1a535rP16XFYofg4bMZWQkFl2JLEEYgVYDf/xPj9AA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JfERwxMXEu2kI9XoIT9dWNXO1rREUwNy4knLypfsDDn3RoK04PQ+VcJ9cU4AiLvZ9 zgKMGrd4au2WatdA8yMk1LlH6XWepwggHO+6JEHEW8/tg+Uifk/2Ah/6wTBJLxUsMO hIlar1DcvGQ6J2i69MlWxGfbGkXBQIZ5oY21iu3Y= Date: Thu, 4 Jun 2020 09:37:45 +0300 From: Mike Rapoport To: Ira Weiny Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice Message-ID: <20200604063745.GB202650@kernel.org> References: <20200519165422.GA5838@roeck-us.net> <20200519184031.GB3356843@iweiny-DESK2.sc.intel.com> <20200519194215.GA71941@roeck-us.net> <20200520051315.GA3660833@iweiny-DESK2.sc.intel.com> <20200521174250.GB176262@iweiny-DESK2.sc.intel.com> <20200603135736.e7b5ded0082a81ae6d9067a0@linux-foundation.org> <20200603211416.GA1740285@iweiny-DESK2.sc.intel.com> <3538c8ad-674e-d310-d870-4ef6888092ed@roeck-us.net> <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200603_233757_711073_74170BF9 X-CRM114-Status: GOOD ( 10.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, "James E.J. Bottomley" , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Dan Williams , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Christoph Hellwig , Ingo Molnar , linux-snps-arc@lists.infradead.org, Guenter Roeck , linux-xtensa@linux-xtensa.org, Borislav Petkov , Al Viro , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Chris Zankel , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, Christian Koenig , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jun 03, 2020 at 11:22:26PM -0700, Ira Weiny wrote: > On Wed, Jun 03, 2020 at 04:44:17PM -0700, Guenter Roeck wrote: > > With linux-next on sparc I too see the spinlock issue; something like: > > ... > Starting syslogd: BUG: spinlock recursion on CPU#0, S01syslogd/139 > lock: 0xf53ef350, .magic: dead4ead, .owner: S01syslogd/139, .owner_cpu: 0 > CPU: 0 PID: 139 Comm: S01syslogd Not tainted 5.7.0-next-20200603 #1 > [f0067d00 : > do_raw_spin_lock+0xa8/0xd8 ] > [f00d598c : > copy_page_range+0x328/0x804 ] > [f0025c34 : > dup_mm+0x334/0x434 ] > [f0027198 : > copy_process+0x1248/0x12d4 ] > [f00273b8 : > _do_fork+0x54/0x30c ] > [f00276e4 : > do_fork+0x5c/0x6c ] > [f000de44 : > sparc_do_fork+0x18/0x38 ] > [f000b7f4 : > do_syscall+0x34/0x40 ] > [5010cd4c : > 0x5010cd4c ] > > > I'm going to bisect between there and HEAD. The sparc issue should be fixed by https://lore.kernel.org/lkml/20200526173302.377-1-will@kernel.org > Ira -- Sincerely yours, Mike. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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_INVALID,DKIM_SIGNED, 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 235F5C433E2 for ; Thu, 4 Jun 2020 06:37:59 +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 EE4962075B for ; Thu, 4 Jun 2020 06:37:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="JfERwxMX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EE4962075B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.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 61B9E892C1; Thu, 4 Jun 2020 06:37:58 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5EB8D892C1 for ; Thu, 4 Jun 2020 06:37:57 +0000 (UTC) Received: from kernel.org (unknown [87.71.78.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE6B9206C3; Thu, 4 Jun 2020 06:37:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591252677; bh=O1a535rP16XFYofg4bMZWQkFl2JLEEYgVYDf/xPj9AA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JfERwxMXEu2kI9XoIT9dWNXO1rREUwNy4knLypfsDDn3RoK04PQ+VcJ9cU4AiLvZ9 zgKMGrd4au2WatdA8yMk1LlH6XWepwggHO+6JEHEW8/tg+Uifk/2Ah/6wTBJLxUsMO hIlar1DcvGQ6J2i69MlWxGfbGkXBQIZ5oY21iu3Y= Date: Thu, 4 Jun 2020 09:37:45 +0300 From: Mike Rapoport To: Ira Weiny Subject: Re: [PATCH] arch/{mips,sparc,microblaze,powerpc}: Don't enable pagefault/preempt twice Message-ID: <20200604063745.GB202650@kernel.org> References: <20200519165422.GA5838@roeck-us.net> <20200519184031.GB3356843@iweiny-DESK2.sc.intel.com> <20200519194215.GA71941@roeck-us.net> <20200520051315.GA3660833@iweiny-DESK2.sc.intel.com> <20200521174250.GB176262@iweiny-DESK2.sc.intel.com> <20200603135736.e7b5ded0082a81ae6d9067a0@linux-foundation.org> <20200603211416.GA1740285@iweiny-DESK2.sc.intel.com> <3538c8ad-674e-d310-d870-4ef6888092ed@roeck-us.net> <20200604062226.GA1740345@iweiny-DESK2.sc.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200604062226.GA1740345@iweiny-DESK2.sc.intel.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: Peter Zijlstra , Dave Hansen , dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, "James E.J. Bottomley" , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Dan Williams , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Christoph Hellwig , Ingo Molnar , linux-snps-arc@lists.infradead.org, Guenter Roeck , linux-xtensa@linux-xtensa.org, Borislav Petkov , Al Viro , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Chris Zankel , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, Christian Koenig , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, Jun 03, 2020 at 11:22:26PM -0700, Ira Weiny wrote: > On Wed, Jun 03, 2020 at 04:44:17PM -0700, Guenter Roeck wrote: > > With linux-next on sparc I too see the spinlock issue; something like: > > ... > Starting syslogd: BUG: spinlock recursion on CPU#0, S01syslogd/139 > lock: 0xf53ef350, .magic: dead4ead, .owner: S01syslogd/139, .owner_cpu: 0 > CPU: 0 PID: 139 Comm: S01syslogd Not tainted 5.7.0-next-20200603 #1 > [f0067d00 : > do_raw_spin_lock+0xa8/0xd8 ] > [f00d598c : > copy_page_range+0x328/0x804 ] > [f0025c34 : > dup_mm+0x334/0x434 ] > [f0027198 : > copy_process+0x1248/0x12d4 ] > [f00273b8 : > _do_fork+0x54/0x30c ] > [f00276e4 : > do_fork+0x5c/0x6c ] > [f000de44 : > sparc_do_fork+0x18/0x38 ] > [f000b7f4 : > do_syscall+0x34/0x40 ] > [5010cd4c : > 0x5010cd4c ] > > > I'm going to bisect between there and HEAD. The sparc issue should be fixed by https://lore.kernel.org/lkml/20200526173302.377-1-will@kernel.org > Ira -- Sincerely yours, Mike. _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel