From: Wen Congyang <wency@cn.fujitsu.com>
To: Ian Campbell <ian.campbell@citrix.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Jackson <Ian.Jackson@eu.citrix.com>,
xen devel <xen-devel@lists.xen.org>
Subject: Re: Problem about dump-core
Date: Wed, 17 Sep 2014 09:14:57 +0800 [thread overview]
Message-ID: <5418E091.1090304@cn.fujitsu.com> (raw)
In-Reply-To: <1410916272.23505.39.camel@citrix.com>
On 09/17/2014 09:11 AM, Ian Campbell wrote:
> On Wed, 2014-09-17 at 08:50 +0800, Wen Congyang wrote:
>
>> Yes, we can check it more earlier. If the 4 error bits are set, is it a valid
>> mfn?
>
> It doesn't really matter, since valid or not you can't pass such an mfn
> to this interface because of the error handling behaviour.
OK. I will update this patch. I think that if such mfn is valid, the user only
should use IOCTL_PRIVCMD_MMAPBATCH_V2 to map it.
Thanks
Wen Congyang
>
> Ian.
>
> .
>
next prev parent reply other threads:[~2014-09-17 1:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-16 2:35 Problem about dump-core Wen Congyang
2014-09-16 7:23 ` Wen Congyang
2014-09-16 16:38 ` Ian Campbell
2014-09-17 0:50 ` Wen Congyang
2014-09-17 1:11 ` Ian Campbell
2014-09-17 1:14 ` Wen Congyang [this message]
2014-09-17 6:56 ` Wen Congyang
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