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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@muc.de>,
virtualization@lists.osdl.org,
lkml - Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>,
Jeremy Fitzhardinge <jeremy@xensource.com>
Subject: Re: [PATCH 1/10] lguest: Don't rely on last-linked fallthru when no paravirt handler
Date: Fri, 09 Feb 2007 12:49:06 -0800 [thread overview]
Message-ID: <45CCDE42.2050603@goop.org> (raw)
In-Reply-To: <1171021966.2718.82.camel@localhost.localdomain>
Rusty Russell wrote:
> If we make it thought early_fault, this will do just that.
>
> Given this is a "never happens" situation, however... if you're actually
> under Xen or lguest, you won't make it that far (lguest, at least, will
> kill you on the cr2 load in early_fault, but it doesn't matter because
> we won't get anywhere with early_printk anyway).
>
> Actually, if we did BUG() here at least lguest would print something...
> I wonder what Xen would do...
Xen would print a complete register dump and backtrace. There's not a
lot else you can do here; you could try early_printk, but if we're in a
strange virtual environment, there may be no device on which the output
could appear.
J
prev parent reply other threads:[~2007-02-09 20:49 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-09 9:11 [PATCH 0/10] lguest Rusty Russell
2007-02-09 9:14 ` [PATCH 1/10] lguest: Don't rely on last-linked fallthru when no paravirt handler Rusty Russell
2007-02-09 9:15 ` [PATCH 2/10] lguest: Export symbols for lguest as a module Rusty Russell
2007-02-09 9:32 ` Andi Kleen
2007-02-09 12:06 ` Rusty Russell
2007-02-09 13:58 ` Andi Kleen
2007-02-10 11:39 ` Rusty Russell
2007-02-09 9:17 ` [PATCH 3/10] lguest: Expose get_futex_key, get_key_refs and drop_key_refs Rusty Russell
2007-02-09 9:18 ` [PATCH 4/10] lguest: Initialize esp0 properly all the time Rusty Russell
2007-02-09 9:19 ` [PATCH 5/10] Make hvc_console.c compile on non-PowerPC Rusty Russell
[not found] ` <1171012827.2718.42.camel@localhost.localdomain>
2007-02-09 9:22 ` [PATCH 7/10] lguest: Simple lguest network driver Rusty Russell
2007-02-09 9:23 ` [PATCH 8/10] lguest: console driver Rusty Russell
2007-02-09 9:24 ` [PATCH 9/10] lguest: block driver Rusty Russell
2007-02-09 9:25 ` [PATCH 10/10] lguest: documentatation including example launcher Rusty Russell
2007-02-09 9:35 ` [PATCH 6/10] lguest code: the little linux hypervisor Andrew Morton
2007-02-09 11:00 ` Rusty Russell
2007-02-09 11:13 ` Zachary Amsden
2007-02-09 11:50 ` Andi Kleen
2007-02-09 11:54 ` Zachary Amsden
2007-02-09 11:57 ` Andi Kleen
2007-02-09 12:08 ` Zachary Amsden
2007-02-09 22:29 ` David Miller
2007-02-09 10:09 ` Andi Kleen
2007-02-09 12:39 ` Rusty Russell
2007-02-09 13:57 ` Andi Kleen
2007-02-09 15:01 ` Rusty Russell
2007-02-09 14:17 ` Sam Ravnborg
2007-02-09 15:23 ` Rusty Russell
2007-02-12 13:34 ` [q] kbuild for private asm-offsets (Re: [PATCH 6/10] lguest code: the little linux hypervisor.) Oleg Verych
2007-02-12 17:24 ` Andi Kleen
2007-02-12 21:41 ` Sam Ravnborg
2007-02-12 23:41 ` Rusty Russell
2007-02-13 3:10 ` Oleg Verych
2007-02-16 15:55 ` [pp] kbuild: lguest with private asm-offsets (and some bloat) Oleg Verych
2007-02-16 15:59 ` [pp] kbuild: asm-offsets generalized Oleg Verych
2007-02-16 18:56 ` Sam Ravnborg
2007-02-16 21:56 ` Oleg Verych
2007-02-17 4:43 ` Rusty Russell
2007-02-17 5:33 ` Oleg Verych
2007-04-01 20:42 ` Sam Ravnborg
2007-04-01 21:08 ` Oleg Verych
2007-04-01 21:03 ` Sam Ravnborg
2007-02-09 10:55 ` [PATCH 6a/10] lguest: Config and headers Rusty Russell
2007-02-09 10:56 ` [PATCH 6b/10] lguest: the host code (lg.ko) Rusty Russell
2007-02-09 10:57 ` [PATCH 6c/10] lguest: the guest code Rusty Russell
2007-02-09 10:58 ` [PATCH 6d/10] lguest: the Makefiles Rusty Russell
2007-02-09 17:06 ` [PATCH 6c/10] lguest: the guest code Len Brown
2007-02-09 17:14 ` James Morris
2007-02-09 17:49 ` Len Brown
2007-02-09 23:48 ` [PATCH 11/10] lguest: use disable_acpi() Rusty Russell
2007-02-09 9:31 ` [PATCH 1/10] lguest: Don't rely on last-linked fallthru when no paravirt handler Andi Kleen
2007-02-09 11:52 ` Rusty Russell
2007-02-09 20:49 ` Jeremy Fitzhardinge [this message]
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