From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753321AbaHADHw (ORCPT ); Thu, 31 Jul 2014 23:07:52 -0400 Received: from mail-pd0-f177.google.com ([209.85.192.177]:44707 "EHLO mail-pd0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751759AbaHADHv (ORCPT ); Thu, 31 Jul 2014 23:07:51 -0400 Date: Thu, 31 Jul 2014 20:07:46 -0700 From: Omar Sandoval To: Will Deacon Cc: "linux-arm-kernel@lists.infradead.org" , "linux@arm.linux.org.uk" , Catalin Marinas , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] ARM/ARM64: don't enter kgdb when userspace executes a kgdb break instruction. Message-ID: <20140801030746.GA26941@mew> References: <20140730071245.GA8954@mew.web-pass.com> <20140730112414.GJ12239@arm.com> <20140731053323.GA15523@mew.web-pass.com> <20140731104653.GM26853@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140731104653.GM26853@arm.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Will, On Thu, Jul 31, 2014 at 11:46:53AM +0100, Will Deacon wrote: > I'll merge the arm64 diff I proposed. Could you repost the ARM part please? I've just reposted it, hopefully we can get that merged in soon as well. > I think enabling and activating kgdb by default is a pretty crazy thing to > do, but I agree that we shouldn't allow userspace to trap into it either. Agreed, hopefully the actual footprint of this bug isn't too large, but it's worth fixing anyways. > Once you repost the ARM patches, we can look at getting them merged via rmk. > > Cheers, > > Will Thanks again! Omar