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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 24BA3C43603 for ; Sun, 15 Dec 2019 18:27:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E9F122467E for ; Sun, 15 Dec 2019 18:27:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576434429; bh=i+67C7dBjaT98qfPSZOYM/GpPhISDIP8eHuAFjclcZk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=z7cgtsDLwkztNyqezXSfDZvrGZiYgeiregHKI6PAPhRSmRkf+6aSqQ6vYYC/13trR hxJ0csWffcsrZLEHTSi4nQlYD+BoRCcUjaHJpuhjRu9DJR6KP7TQ11QLsEQmLaE1xz b3QFmLiRfScdum2nnUAC3wzu/SDR/7cYnbTrOPCI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726260AbfLOS1I (ORCPT ); Sun, 15 Dec 2019 13:27:08 -0500 Received: from mail.kernel.org ([198.145.29.99]:54918 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726219AbfLOS1I (ORCPT ); Sun, 15 Dec 2019 13:27:08 -0500 Received: from localhost (unknown [73.61.17.254]) (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 7B5F1206E0; Sun, 15 Dec 2019 18:27:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576434427; bh=i+67C7dBjaT98qfPSZOYM/GpPhISDIP8eHuAFjclcZk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=cbpDo7F0WvUo1eGrPRmmmf3h/Yj1Z6eBRlWxu05HD2Ynv2HyJPqmmCTcAd4UWILDf +ibpAcR5n3lzR/XXNJUCWh18uGQ9pTwIgMjRdESw1zEugj8oe7MamYSH30YusxOdap e8Rw8Sy18b5J87P7WX6oHPB2pGZqLH03tRHJoJ9A= Date: Sun, 15 Dec 2019 13:27:06 -0500 From: Sasha Levin To: gregkh@linuxfoundation.org Cc: Meng.Li@windriver.com, bp@suse.de, james.morse@arm.com, linux-edac@vger.kernel.org, mchehab@kernel.org, rrichter@marvell.com, stable@vger.kernel.org, thor.thayer@linux.intel.com, tony.luck@intel.com Subject: Re: FAILED: patch "[PATCH] EDAC/altera: Use fast register IO for S10 IRQs" failed to apply to 4.19-stable tree Message-ID: <20191215182706.GL18043@sasha-vm> References: <1576407196157167@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <1576407196157167@kroah.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sun, Dec 15, 2019 at 11:53:16AM +0100, gregkh@linuxfoundation.org wrote: > >The patch below does not apply to the 4.19-stable tree. >If someone wants it applied there, or to any other stable or longterm >tree, then please email the backport, including the original git commit >id to . > >thanks, > >greg k-h > >------------------ original commit in Linus's tree ------------------ > >>From 56d9e7bd3fa0f105b6670021d167744bc50ae4fe Mon Sep 17 00:00:00 2001 >From: Meng Li >Date: Thu, 21 Nov 2019 12:30:46 -0600 >Subject: [PATCH] EDAC/altera: Use fast register IO for S10 IRQs > >When an IRQ occurs, regmap_{read,write,...}() is invoked in atomic >context. Regmap must indicate register IO is fast so that a spinlock is >used instead of a mutex to avoid sleeping in atomic context: > > lock_acquire > __mutex_lock > mutex_lock_nested > regmap_lock_mutex > regmap_write > a10_eccmgr_irq_unmask > unmask_irq.part.0 > irq_enable > __irq_startup > irq_startup > __setup_irq > request_threaded_irq > devm_request_threaded_irq > altr_sdram_probe > >Mark it so. > > [ bp: Massage. ] > >Fixes: 3dab6bd52687 ("EDAC, altera: Add support for Stratix10 SDRAM EDAC") >Reported-by: Meng Li >Signed-off-by: Meng Li >Signed-off-by: Thor Thayer >Signed-off-by: Borislav Petkov >Cc: James Morse >Cc: linux-edac >Cc: Mauro Carvalho Chehab >Cc: Robert Richter >Cc: stable >Cc: Tony Luck >Link: https://lkml.kernel.org/r/1574361048-17572-2-git-send-email-thor.thayer@linux.intel.com Adjusted context and queued for 4.19. -- Thanks, Sasha