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 3A53AC43381 for ; Wed, 24 Feb 2021 13:16:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 03CC164E02 for ; Wed, 24 Feb 2021 13:16:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236200AbhBXNOQ (ORCPT ); Wed, 24 Feb 2021 08:14:16 -0500 Received: from mail.kernel.org ([198.145.29.99]:58438 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235807AbhBXNHR (ORCPT ); Wed, 24 Feb 2021 08:07:17 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0564A64F7F; Wed, 24 Feb 2021 12:54:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614171266; bh=n3+hBgB3Bu9tSf0VgVIejY8VIc+GhbJStIOOgD2WTaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RMlKH+sIC9D714dMdp1re+nwYNRpCxXMSumlwLl3jOmyZYci/Y21A8uAzs+qCBNmf wWmfsiyqPFRNcLQnAva4/EjvSbqdaCwkHt1QFhoUL3ngwAvnieU15MMfchgTyiXehp kbUQN2ktU3bu/vCmegC7r8fX1W2OKPEcHh+XDk7keCdZlA1qTFn/xBkTkmoh/F/zSs SNNyfsS6O01iV1H9W6oLzmIZYTuVkdd8wuM5kMMw6CUx+sva+CQQ1X+fiBrGHrNHuL TcElFxJoC/jsHbbvK8qz6pLI0TFYgLebI1Fc/XYUOBI+k1VS1C/3bdQV3Igrh+LjkL vqlT5JD59xwIA== 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 5.4 35/40] parisc: Bump 64-bit IRQ stack size to 64 KB Date: Wed, 24 Feb 2021 07:53:35 -0500 Message-Id: <20210224125340.483162-35-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210224125340.483162-1-sashal@kernel.org> References: <20210224125340.483162-1-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 e5fcfb70cc7c0..4d54aa70ea5f3 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)]; -- 2.27.0