From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755627AbcDDOIG (ORCPT ); Mon, 4 Apr 2016 10:08:06 -0400 Received: from mail-lf0-f42.google.com ([209.85.215.42]:36587 "EHLO mail-lf0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752017AbcDDOIE (ORCPT ); Mon, 4 Apr 2016 10:08:04 -0400 Subject: Re: [PATCH] arm, hw-breakpoint: Remove superfluous SMP function call To: Anna-Maria Gleixner , linux-kernel@vger.kernel.org References: <1459765920-15690-1-git-send-email-anna-maria@linutronix.de> Cc: Mark Rutland , Russell King , Will Deacon , rt@linutronix.de, linux-arm-kernel@lists.infradead.org From: Sergei Shtylyov Message-ID: <57027541.9080401@cogentembedded.com> Date: Mon, 4 Apr 2016 17:08:01 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 MIME-Version: 1.0 In-Reply-To: <1459765920-15690-1-git-send-email-anna-maria@linutronix.de> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/4/2016 1:32 PM, Anna-Maria Gleixner wrote: > Since commit 1cf4f629d9d2 ("cpu/hotplug: Move online calls to > hotplugged cpu") it is ensured that callbacks of CPU_ONLINE and > CPU_DOWN_PREPARE are processed on the hotplugged cpu. Due to this SMP > function calls are no longer required. > > Replace smp_call_function_single() with a direct call of > reset_ctrl_regs(). To keep the calling convention, interrupts are > explicitely disabled around the call. Same typo as in ARM64 patch. > Cc: Will Deacon > Cc: Mark Rutland > Cc: Russell King > Cc: linux-arm-kernel@lists.infradead.org > Signed-off-by: Anna-Maria Gleixner [...] MBR, Sergei