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From: "H. Peter Anvin" <hpa@zytor.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Jason Baron <jbaron@redhat.com>,
	Jeremy Fitzhardinge <jeremy@goop.org>,
	Richard Henderson <rth@redhat.com>,
	"David S. Miller" <davem@davemloft.net>,
	David Daney <david.daney@cavium.com>,
	Michael Ellerman <michael@ellerman.id.au>,
	Jan Glauber <jang@linux.vnet.ibm.com>,
	the arch/x86 maintainers <x86@kernel.org>,
	Xen Devel <xen-devel@lists.xensource.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
	peterz@infradead.org
Subject: Re: [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps
Date: Fri, 07 Oct 2011 14:48:19 -0700	[thread overview]
Message-ID: <4E8F73A3.5080904@zytor.com> (raw)
In-Reply-To: <1318015311.4729.69.camel@gandalf.stny.rr.com>

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

  reply	other threads:[~2011-10-07 21:48 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-01 21:55 [PATCH RFC V2 0/5] jump-label: allow early jump_label_enable() Jeremy Fitzhardinge
2011-10-01 21:55 ` [PATCH RFC V2 1/5] jump_label: use proper atomic_t initializer Jeremy Fitzhardinge
2011-10-01 21:55 ` [PATCH RFC V2 2/5] stop_machine: make stop_machine safe and efficient to call early Jeremy Fitzhardinge
2011-10-02  0:36   ` Tejun Heo
2011-10-03 19:24   ` [Xen-devel] " Konrad Rzeszutek Wilk
2011-10-01 21:55 ` [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out Jeremy Fitzhardinge
2011-10-03 15:02   ` Jason Baron
2011-10-03 15:47     ` Steven Rostedt
2011-10-03 16:27     ` Jeremy Fitzhardinge
2011-10-04 14:10       ` Jason Baron
2011-10-04 15:18         ` Jeremy Fitzhardinge
2011-10-04 16:30         ` H. Peter Anvin
2011-10-04 17:53           ` Jason Baron
2011-10-04 18:05             ` Steven Rostedt
2011-10-06  0:16           ` Jeremy Fitzhardinge
2011-10-06  0:17             ` H. Peter Anvin
2011-10-06  0:47               ` Jeremy Fitzhardinge
2011-10-06 17:53               ` Jeremy Fitzhardinge
2011-10-06 18:10                 ` Jason Baron
2011-10-06 18:13                   ` H. Peter Anvin
2011-10-06 21:39                     ` Jeremy Fitzhardinge
2011-10-06 22:08                       ` Steven Rostedt
2011-10-06 18:15                   ` Jeremy Fitzhardinge
2011-10-06 18:33                     ` Jason Baron
2011-10-06 18:35                       ` H. Peter Anvin
2011-10-06 18:43                         ` Jason Baron
2011-10-06 18:26                   ` Steven Rostedt
2011-10-06 18:29                     ` H. Peter Anvin
2011-10-06 18:38                       ` Jason Baron
2011-10-06 19:34                         ` Steven Rostedt
2011-10-06 20:33                           ` Jason Baron
2011-10-06 20:45                             ` Steven Rostedt
2011-10-06 18:50                     ` Richard Henderson
2011-10-06 19:28                       ` Steven Rostedt
2011-10-06 21:42                         ` Jeremy Fitzhardinge
2011-10-06 22:06                           ` Steven Rostedt
2011-10-06 22:10                             ` Jeremy Fitzhardinge
2011-10-06 22:20                               ` Steven Rostedt
2011-10-07 17:09                               ` [PATCH][RFC] jump_labels/x86: Use either 5 byte or 2 byte jumps Steven Rostedt
2011-10-07 18:52                                 ` Jason Baron
2011-10-07 19:21                                   ` Steven Rostedt
2011-10-07 21:48                                     ` H. Peter Anvin [this message]
2011-10-07 22:00                                       ` Steven Rostedt
2011-10-07 22:03                                         ` H. Peter Anvin
2011-10-07 19:33                                   ` Steven Rostedt
2011-10-07 19:40                                 ` Jeremy Fitzhardinge
2011-10-07 19:58                                   ` Steven Rostedt
2011-10-07 20:04                                   ` Peter Zijlstra
2011-10-10 15:36   ` [PATCH RFC V2 3/5] jump_label: if a key has already been initialized, don't nop it out Jason Baron
2011-10-10 19:58     ` Jeremy Fitzhardinge
2011-10-10 20:10       ` Jason Baron
2011-10-01 21:55 ` [PATCH RFC V2 4/5] x86/jump_label: drop arch_jump_label_text_poke_early() Jeremy Fitzhardinge
2011-10-01 21:55 ` [PATCH RFC V2 5/5] sparc/jump_label: " Jeremy Fitzhardinge

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