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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 0084EC433DB for ; Wed, 24 Feb 2021 13:22:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B13A364EBA for ; Wed, 24 Feb 2021 13:22:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234882AbhBXNTP (ORCPT ); Wed, 24 Feb 2021 08:19:15 -0500 Received: from mail.kernel.org ([198.145.29.99]:58712 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234150AbhBXNIx (ORCPT ); Wed, 24 Feb 2021 08:08:53 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5E43964F14; Wed, 24 Feb 2021 12:55:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614171305; bh=1YK8oSAN7rQInznGmAOuKCx15FokfzKFU8CdTji2RAI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fReEpa4kIta+8XZk2FBo645tG9yRa7B7bRdjU28Y0y54efYR+VDhc2HLHpGwWbTQS D0y3QZpLNTmkEUaHcyOPJCZOlXnclKQ/oo2C12CXQC6DzqYZcpyHayNZRUbh/enP46 mKBRBZ6ww5Vu03gJoX8V5ziedWJd2RXahTfBsXBv6jUGpfY4q2sM64Aml3Faqxoq5o XxFjOFFhqg7zgzgLT022liGrvDEtnsWkyDehT6QbTLWnYq1VrkHY1ekSoO18PwB/I7 8JpVhSsm/C6S6Y944ZvbWdn6koH24ryPoSFN2/eqkWKvlJeqzZAv7t0H3/y2uoO1Fm xj8SRYEV5/8KQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: John David Anglin , Helge Deller , Sasha Levin , linux-parisc@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 23/26] parisc: Bump 64-bit IRQ stack size to 64 KB Date: Wed, 24 Feb 2021 07:54:31 -0500 Message-Id: <20210224125435.483539-23-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210224125435.483539-1-sashal@kernel.org> References: <20210224125435.483539-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: John David Anglin [ Upstream commit 31680c1d1595a59e17c14ec036b192a95f8e5f4a ] Bump 64-bit IRQ stack size to 64 KB. I had a kernel IRQ stack overflow on the mx3210 debian buildd machine. This patch increases the 64-bit IRQ stack size to 64 KB. The 64-bit stack size needs to be larger than the 32-bit stack size since registers are twice as big. Signed-off-by: John David Anglin Signed-off-by: Helge Deller Signed-off-by: Sasha Levin --- arch/parisc/kernel/irq.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 0ca254085a662..c152c30c2d06d 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -380,7 +380,11 @@ static inline int eirr_to_irq(unsigned long eirr) /* * IRQ STACK - used for irq handler */ +#ifdef CONFIG_64BIT +#define IRQ_STACK_SIZE (4096 << 4) /* 64k irq stack size */ +#else #define IRQ_STACK_SIZE (4096 << 3) /* 32k irq stack size */ +#endif union irq_stack_union { unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)]; -- 2.27.0