From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756420AbbCBRaP (ORCPT ); Mon, 2 Mar 2015 12:30:15 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:38626 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753370AbbCBRaM (ORCPT ); Mon, 2 Mar 2015 12:30:12 -0500 Message-ID: <54F49E17.7030004@oracle.com> Date: Mon, 02 Mar 2015 09:29:59 -0800 From: santosh shilimkar Organization: Oracle Corporation User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.1.2 MIME-Version: 1.0 To: Valentin Rothberg , tony@atomide.com, ssantosh@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] omap_l3_smx.c: remove IRQF_DISABLED flag References: <1425303353-32283-1-git-send-email-Valentin.Rothberg@lip6.fr> In-Reply-To: <1425303353-32283-1-git-send-email-Valentin.Rothberg@lip6.fr> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/2/2015 5:35 AM, Valentin Rothberg wrote: > The IRQF_DISABLED flag is a NOOP and scheduled to be removed. According > to commit e58aa3d2d0cc ("genirq: Run irq handlers with interrupts > disabled") running IRQ handlers with interrupts enabled can cause stack > overflows when the interrupt line of the issuing device is still active. > > Signed-off-by: Valentin Rothberg > --- Acked-by: Santosh Shilimkar