From: Tim Deegan <tim@xen.org>
To: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Cc: andres@gridcentric.ca, adin@gridcentric.ca, olaf@aepfle.de,
xen-devel@lists.xen.org
Subject: Re: [PATCH] x86/mm/paging: Prevent the guest from faulting on the same gfn when dying
Date: Thu, 15 Mar 2012 11:32:44 +0000 [thread overview]
Message-ID: <20120315113244.GE4798@ocelot.phlegethon.org> (raw)
In-Reply-To: <88584a17d2da567cd187.1331566963@xdev.gridcentric.ca>
At 11:42 -0400 on 12 Mar (1331552563), Andres Lagar-Cavilla wrote:
> A crashing guest due to paging may hit an "endless" loop faulting repeatedly on
> the current paged-out gfn, until the toolstack comes around to killing the
> domain.
>
> Unfortunately domain_crash at this point may not pause the vcpu due to the
> shutting_down flag, so we pause it explicitly when detecting the condition.
Applied, thanks.
Tim.
next prev parent reply other threads:[~2012-03-15 11:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-12 15:42 [PATCH] x86/mm/paging: Prevent the guest from faulting on the same gfn when dying Andres Lagar-Cavilla
2012-03-15 11:32 ` Tim Deegan [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-03-12 15:39 Andres Lagar-Cavilla
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