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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 EE96FC433E6 for ; Fri, 5 Mar 2021 13:56:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFFDB65019 for ; Fri, 5 Mar 2021 13:56:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231132AbhCEN4T (ORCPT ); Fri, 5 Mar 2021 08:56:19 -0500 Received: from mail.kernel.org ([198.145.29.99]:42332 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232593AbhCEMcG (ORCPT ); Fri, 5 Mar 2021 07:32:06 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id B471E65013; Fri, 5 Mar 2021 12:32:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614947526; bh=gVjVZMn6Oh54JaHOJV3k9KLNSIHXqkCaW9p8jeAoQYI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xUC0wa7/EvHhNQmo0PXaAPMgWgxR5hROL6uRGn+qUU4UNQQdZDVUrm0BTSnUTN1en Ad+ZDEVJ4nU+cDeCLuNOKe2Ra3giLG7PL/drMppJGLRwAPhrC3195cyYFLNqPUYRo0 BIwpmqWSuN90aQ5+ewC6bDMzW3988x0y8U8Hbwls= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, John David Anglin , Helge Deller , Sasha Levin Subject: [PATCH 5.10 077/102] parisc: Bump 64-bit IRQ stack size to 64 KB Date: Fri, 5 Mar 2021 13:21:36 +0100 Message-Id: <20210305120907.066355981@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210305120903.276489876@linuxfoundation.org> References: <20210305120903.276489876@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 e76c86619949..60f5829d476f 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -376,7 +376,11 @@ 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)]; -- 2.30.1