From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966749AbeEYLmA (ORCPT ); Fri, 25 May 2018 07:42:00 -0400 Received: from ozlabs.org ([203.11.71.1]:59127 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966731AbeEYLl5 (ORCPT ); Fri, 25 May 2018 07:41:57 -0400 X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 7daf59300999693b85233762b847f1b2313cccbd In-Reply-To: <20180523180054.9937-1-msuchanek@suse.de> To: Michal Suchanek , Benjamin Herrenschmidt , Paul Mackerras , Balbir Singh , Nicholas Piggin , Breno Leitao , Vaibhav Jain , "Guilherme G. Piccoli" , Michal Suchanek , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org From: Michael Ellerman Subject: Re: [v2] powerpc/xmon: Also setup debugger hooks when single-stepping Message-Id: <40skql47Ddz9s28@ozlabs.org> Date: Fri, 25 May 2018 21:41:54 +1000 (AEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2018-05-23 at 18:00:54 UTC, Michal Suchanek wrote: > When single-stepping kernel code from xmon without a debug hook enabled > the kernel crashes. This can happen when kernel starts with xmon on > crash disabled but xmon is entered using sysrq. > > Call force_enable_xmon when single-stepping in xmon to install the xmon > debug hooks. > > Fixes: e1368d0c9edb ("powerpc/xmon: Setup debugger hooks when first > break-point is set") > > Signed-off-by: Michal Suchanek > Reviewed-by: Vaibhav Jain Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/7daf59300999693b85233762b847f1 cheers