From: Andi Kleen <ak@suse.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andi Kleen <ak@suse.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
jeremy@goop.org, xen-devel@lists.xensource.com,
netdev@vger.kernel.org, mingo@elte.hu, jbeulich@novell.com,
virtualization@lists.linux-foundation.org, chrisw@sous-sol.org,
virtualization@lists.osdl.org,
"Eric W. Biederman" <ebiederm@xmission.com>,
anthony@codemonkey.ws, akpm@linux-foundation.org,
David Miller <davem@davemloft.net>,
linux-kernel@vger.kernel.org
Subject: Re: [Xen-devel] Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable
Date: Tue, 20 Mar 2007 22:49:45 +0100 [thread overview]
Message-ID: <20070320214945.GG4286@bingen.suse.de> (raw)
In-Reply-To: <20070320213918.116862be@lxorguk.ukuu.org.uk>
On Tue, Mar 20, 2007 at 09:39:18PM +0000, Alan Cox wrote:
> > > Because that's really the issue: do you want a "pretty" backtrace, or do
> > > you want one that is rock solid but has some crud in it.
> >
> > I just want an as exact backtrace as possible. I also think
> > that we can make the unwinder robust enough.
>
> Any reason you can't put the exact back trace in "[xxx]" and the ones we
> see on the stack which dont look like call trace as ?xxx? It makes the
> code a bit trickier but we depend on the quality of traces
Linus is worried about the unwinder crashing -- that wouldn't help with that.
What the (now out of tree) unwinder does is to check if it finishes
the trace and if not fall back to the old unwinder.
-Andi
next prev parent reply other threads:[~2007-03-20 20:50 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070301232443.195603797@goop.org>
2007-03-01 23:25 ` [patch 26/26] Xen-paravirt_ops: Add the Xen virtual network device driver Jeremy Fitzhardinge
2007-03-02 0:42 ` Stephen Hemminger
2007-03-02 0:56 ` Jeremy Fitzhardinge
2007-03-02 1:30 ` [RFC] Arp announce (for Xen) Stephen Hemminger
2007-03-02 8:09 ` Pekka Savola
2007-03-02 18:29 ` Ben Greear
2007-03-02 19:59 ` Stephen Hemminger
2007-03-02 8:46 ` Keir Fraser
2007-03-02 12:54 ` Andi Kleen
2007-03-02 14:08 ` jamal
2007-03-02 18:08 ` Chris Wright
2007-03-06 4:35 ` David Miller
2007-03-06 18:51 ` [RFC] ARP notify option Stephen Hemminger
2007-03-06 19:04 ` Jeremy Fitzhardinge
2007-03-06 19:07 ` Chris Wright
2007-03-06 21:18 ` Chris Friesen
2007-03-06 22:52 ` Stephen Hemminger
2007-03-07 6:42 ` Pekka Savola
2007-03-07 17:00 ` Stephen Hemminger
2007-03-02 1:21 ` [patch 26/26] Xen-paravirt_ops: Add the Xen virtual network device driver Christoph Hellwig
2007-03-02 1:26 ` Chris Wright
[not found] ` <20070301232527.956565107@goop.org>
[not found] ` <20070316092445.GM23174@elte.hu>
[not found] ` <20070316.023331.59468179.davem@davemloft.net>
2007-03-16 20:38 ` [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable Jeremy Fitzhardinge
2007-03-17 10:33 ` Rusty Russell
2007-03-18 7:33 ` David Miller
2007-03-18 7:59 ` Jeremy Fitzhardinge
2007-03-18 12:08 ` Andi Kleen
2007-03-18 15:58 ` Jeremy Fitzhardinge
2007-03-18 17:04 ` Andi Kleen
2007-03-18 17:29 ` Jeremy Fitzhardinge
2007-03-18 19:30 ` Andi Kleen
2007-03-18 23:46 ` Jeremy Fitzhardinge
2007-03-19 10:57 ` Andi Kleen
2007-03-19 17:58 ` Jeremy Fitzhardinge
2007-03-19 19:08 ` David Miller
2007-03-19 20:59 ` Andi Kleen
2007-03-20 3:18 ` Linus Torvalds
2007-03-20 3:47 ` David Miller
2007-03-20 4:19 ` Eric W. Biederman
2007-03-20 13:28 ` Andi Kleen
2007-03-20 16:25 ` Eric W. Biederman
2007-03-20 17:42 ` Andi Kleen
2007-03-20 16:52 ` Linus Torvalds
2007-03-20 18:03 ` Andi Kleen
2007-03-20 17:27 ` Linus Torvalds
2007-03-20 19:21 ` Andi Kleen
2007-03-20 18:49 ` Linus Torvalds
2007-03-20 20:23 ` Andi Kleen
2007-03-20 21:39 ` Alan Cox
2007-03-20 21:49 ` Andi Kleen [this message]
2007-03-20 23:51 ` [Xen-devel] " Linus Torvalds
2007-03-20 23:43 ` Linus Torvalds
2007-03-21 6:08 ` Andrew Morton
2007-03-20 16:12 ` Chuck Ebbert
2007-03-20 1:23 ` Zachary Amsden
2007-03-20 1:45 ` Jeremy Fitzhardinge
2007-03-19 2:47 ` Rusty Russell
2007-03-19 18:25 ` Eric W. Biederman
2007-03-19 18:38 ` Linus Torvalds
2007-03-19 18:44 ` Linus Torvalds
2007-03-19 19:33 ` Jeremy Fitzhardinge
2007-03-20 0:01 ` Rusty Russell
2007-03-20 2:00 ` Zachary Amsden
2007-03-20 4:20 ` Rusty Russell
2007-03-20 5:54 ` Jeremy Fitzhardinge
2007-03-20 11:33 ` Andreas Kleen
2007-03-20 15:09 ` Linus Torvalds
2007-03-20 15:58 ` Eric W. Biederman
2007-03-20 16:06 ` Linus Torvalds
2007-03-20 16:31 ` Jeremy Fitzhardinge
2007-03-20 22:09 ` Zachary Amsden
2007-03-21 0:24 ` Linus Torvalds
2007-03-21 2:53 ` Zachary Amsden
2007-03-21 2:15 ` Linus Torvalds
2007-03-21 3:43 ` Zachary Amsden
2007-03-20 22:43 ` Matt Mackall
2007-03-20 23:08 ` Zachary Amsden
2007-03-20 23:33 ` Jeremy Fitzhardinge
2007-03-21 1:14 ` Zachary Amsden
2007-03-20 23:41 ` Matt Mackall
2007-03-21 0:20 ` Jeremy Fitzhardinge
2007-03-20 19:28 ` Andi Kleen
2007-03-20 19:54 ` Zachary Amsden
2007-03-20 20:02 ` Andi Kleen
2007-03-20 16:26 ` Jeremy Fitzhardinge
2007-03-20 22:41 ` Rusty Russell
2007-03-20 17:00 ` Ingo Molnar
2007-03-21 0:03 ` Paul Mackerras
2007-04-12 23:16 ` David Miller
2007-03-19 18:41 ` Chris Wright
2007-03-19 19:10 ` Jeremy Fitzhardinge
2007-03-19 19:46 ` David Miller
2007-03-19 20:06 ` Jeremy Fitzhardinge
2007-03-19 23:42 ` Andi Kleen
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