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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 159B7C43603 for ; Sun, 15 Dec 2019 10:53:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA02520700 for ; Sun, 15 Dec 2019 10:53:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576407202; bh=CsdJ2gdc5FStK1S/adMZRCYGrPMrjVnK6CQ1zeLTrFU=; h=Subject:To:Cc:From:Date:List-ID:From; b=clDadOFU+c3lcKMw0KDCIGdW9Ej+ly1arZ6dV0NdI8REtSrXUdTCUYUuSjTLqIeFa QsL7qmAHAxqsQMtYW058dbZJyXyia4F6YgxKvk81zTSAz+/DEX8xyv2r7X19fmLcs/ N7PiNyCCx+21jUkJgxpy14npvA+aKf6x2EElMkfs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726089AbfLOKxV (ORCPT ); Sun, 15 Dec 2019 05:53:21 -0500 Received: from out5-smtp.messagingengine.com ([66.111.4.29]:32769 "EHLO out5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726083AbfLOKxV (ORCPT ); Sun, 15 Dec 2019 05:53:21 -0500 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id DC48922278; Sun, 15 Dec 2019 05:53:20 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute6.internal (MEProxy); Sun, 15 Dec 2019 05:53:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=l86Dig CGvinahViX9QNGIS51XhMLwGLDrxCCtZR4cqM=; b=pqE0F1wNZms3lzTvRF5hFj K5cDiAAHG/i+obfThFrMFwqMvtX8Q+K6bUoSaAm3sjipCX0uXZS1XfFSPUJJAIq0 YKSGaJE3tlms2x/Tvy/xDLzCANS7poYAmaU/xYVLLxXZTRq0uw5zJ9RskUy2rqEY M8L3QFMXEeDU1Mrqoe0fNiNohpovVxIFy2+IFVejDYmMrybD8beYxb3GdVOHl5u6 5XPyVrf8aZbngmBfdJDZ7/L923Y3RTAOROxxLGLJkdJJwiri+3n+qqKIsGcc6EPr gPqLsjfnJ/B4iqSqQRaTopQA75gdFTcVl7mv5uM7MtLrkv1qxu84SGo33kMyUNcQ == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedufedrvddtfedgvddvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefuvffhfffkgggtgfesthekredttd dtlfenucfhrhhomhepoehgrhgvghhkhheslhhinhhugihfohhunhgurghtihhonhdrohhr gheqnecuffhomhgrihhnpehkvghrnhgvlhdrohhrghenucfkphepkeefrdekiedrkeelrd dutdejnecurfgrrhgrmhepmhgrihhlfhhrohhmpehgrhgvgheskhhrohgrhhdrtghomhen ucevlhhushhtvghrufhiiigvpedt 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 6325D8005C; Sun, 15 Dec 2019 05:53:19 -0500 (EST) Subject: FAILED: patch "[PATCH] EDAC/altera: Use fast register IO for S10 IRQs" failed to apply to 4.19-stable tree To: 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 Cc: From: Date: Sun, 15 Dec 2019 11:53:16 +0100 Message-ID: <1576407196157167@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: linux-edac-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org 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 diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index fbda4b876afd..0be3d1b17f03 100644 --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -560,6 +560,7 @@ static const struct regmap_config s10_sdram_regmap_cfg = { .reg_write = s10_protected_reg_write, .use_single_read = true, .use_single_write = true, + .fast_io = true, }; /************** ***********/