From: "H. Peter Anvin" Subject: Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps Date: Fri, 07 Oct 2011 14:48:19 -0700 Message-ID: <4E8F73A3.5080904@zytor.com> References: <4E8CF385.2080804@zytor.com> <4E8DEB19.1050509@goop.org> <20111006181055.GA2505@redhat.com> <1317925615.4729.14.camel@gandalf.stny.rr.com> <4E8DF870.6010000@redhat.com> <1317929321.4729.17.camel@gandalf.stny.rr.com> <4E8E20CD.5030207@goop.org> <1317938775.4729.29.camel@gandalf.stny.rr.com> <4E8E275F.6010801@goop.org> <1318007374.4729.58.camel@gandalf.stny.rr.com> <20111007185214.GD2978@redhat.com> <1318015311.4729.69.camel@gandalf.stny.rr.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1318015311.4729.69.camel@gandalf.stny.rr.com> Sender: linux-kernel-owner@vger.kernel.org To: Steven Rostedt Cc: Jason Baron , Jeremy Fitzhardinge , Richard Henderson , "David S. Miller" , David Daney , Michael Ellerman , Jan Glauber , the arch/x86 maintainers , Xen Devel , Linux Kernel Mailing List , Jeremy Fitzhardinge , peterz@infradead.org List-Id: xen-devel@lists.xenproject.org On 10/07/2011 12:21 PM, Steven Rostedt wrote: >> >> same here, at least WARN, more likely BUG() > > I just don't like using BUG(). BUG() means that if we continue we will > corrupt the filesystem or make you go blind. WARN and returning here > should not cause any harm and will even let those with X terminals see > oops in /var/log/messages. > Uh, NO. If this is wrong something in the kernel code stream is corrupted (heck, you might just have caught a rootkit!) Die. NOW. -hpa