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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Tim Deegan <tim@xen.org>, Xen-devel <xen-devel@lists.xen.org>,
	Keir Fraser <keir@xen.org>,
	Ian Jackson <Ian.Jackson@eu.citrix.com>,
	Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [PATCH] hypercall/mem: Introduce XENMEM_machphys_compat_mfn_list
Date: Thu, 17 Apr 2014 13:25:18 +0100	[thread overview]
Message-ID: <534FC82E.9030208@citrix.com> (raw)
In-Reply-To: <534FC1CB.5060006@citrix.com>

On 17/04/14 12:58, Andrew Cooper wrote:
> On 17/04/14 12:42, Jan Beulich wrote:
>
>> Knowing where that is would help judging on the need for this
>> patch (and I don't want to waste time hunting for it knowing that you
>> already spotted it)...
> The bug is in canonicalize_pagetable() in xc_domain_save.c
>
> The search for affected L2 tables at line 445 will never succeed for a
> 64 bit guest, and the decision at line 500 will fail to identify any
> errors which should be fatal.

I do in fact mean 32 bit guest and 64 bit toolstack.

~Andrew

  reply	other threads:[~2014-04-17 12:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-17 11:10 [PATCH] hypercall/mem: Introduce XENMEM_machphys_compat_mfn_list Andrew Cooper
2014-04-17 11:42 ` Jan Beulich
2014-04-17 11:58   ` Andrew Cooper
2014-04-17 12:25     ` Andrew Cooper [this message]
  -- strict thread matches above, loose matches on Subject: below --
2014-04-17 15:53 Andrew Cooper
2014-04-18 13:44 ` Konrad Rzeszutek Wilk

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