From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932950AbbIDRNh (ORCPT ); Fri, 4 Sep 2015 13:13:37 -0400 Received: from mail-lb0-f176.google.com ([209.85.217.176]:34763 "EHLO mail-lb0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760189AbbIDRNg (ORCPT ); Fri, 4 Sep 2015 13:13:36 -0400 Date: Fri, 4 Sep 2015 23:12:47 +0600 From: Alexnader Kuleshov To: Jungseok Lee Cc: catalin.marinas@arm.com, will.deacon@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 2/3] arm64: Introduce IRQ stack Message-ID: <20150904171247.GA1786@localhost> References: <1441376587-12979-1-git-send-email-jungseoklee85@gmail.com> <1441376587-12979-3-git-send-email-jungseoklee85@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1441376587-12979-3-git-send-email-jungseoklee85@gmail.com> X-Operating-System: Linux X-Date: Fri Sep 4 22:50:30 ALMT 2015 User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Jungseok, On 09-04-15, Jungseok Lee wrote: > +config IRQ_STACK > + bool "Use separate kernel stack when handling interrupts" > + depends on ARM64_4K_PAGES > + help > + Say Y here if you want to use separate kernel stack to handle both > + hard and soft interrupts. As reduceing memory footprint regarding > + kernel stack, it benefits low memory platforms. s/reduceing/reducing