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=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_MUTT 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 75414C43441 for ; Wed, 14 Nov 2018 21:53:36 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CFFC12175B for ; Wed, 14 Nov 2018 21:53:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CFFC12175B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42wJCd09NhzF3VB for ; Thu, 15 Nov 2018 08:53:33 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=arm.com (client-ip=217.140.101.70; helo=foss.arm.com; envelope-from=will.deacon@arm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=arm.com Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by lists.ozlabs.org (Postfix) with ESMTP id 42wJ9B6dY5zF3RM for ; Thu, 15 Nov 2018 08:51:26 +1100 (AEDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BBF4F1596; Wed, 14 Nov 2018 13:51:24 -0800 (PST) Received: from brain-police (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id A48543F5A0; Wed, 14 Nov 2018 13:51:23 -0800 (PST) Date: Wed, 14 Nov 2018 21:51:13 +0000 From: Will Deacon To: Douglas Anderson Subject: Re: [PATCH v4 1/4] kgdb: Remove irq flags from roundup Message-ID: <20181114215112.GA4044@brain-police> References: <20181112182659.245726-1-dianders@chromium.org> <20181112182659.245726-2-dianders@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181112182659.245726-2-dianders@chromium.org> User-Agent: Mutt/1.9.4 (2018-02-28) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mips@linux-mips.org, Michal Hocko , linux-sh@vger.kernel.org, Peter Zijlstra , Catalin Marinas , Rich Felker , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Daniel Thompson , Yoshinori Sato , linux-hexagon@vger.kernel.org, x86@kernel.org, Russell King , Ingo Molnar , kgdb-bugreport@lists.sourceforge.net, James Hogan , linux-snps-arc@lists.infradead.org, Huang Ying , Mike Rapoport , Borislav Petkov , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Vineet Gupta , linux-kernel@vger.kernel.org, Ralf Baechle , Richard Kuo , Paul Burton , Jason Wessel , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, Nov 12, 2018 at 10:26:55AM -0800, Douglas Anderson wrote: > The function kgdb_roundup_cpus() was passed a parameter that was > documented as: > > > the flags that will be used when restoring the interrupts. There is > > local_irq_save() call before kgdb_roundup_cpus(). > > Nobody used those flags. Anyone who wanted to temporarily turn on > interrupts just did local_irq_enable() and local_irq_disable() without > looking at them. So we can definitely remove the flags. > > Signed-off-by: Douglas Anderson > --- Acked-by: Will Deacon I'm hopeful that you'll keep hacking on kgdb, because it definitely needs some love in its current state. Will