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Re: [Xen-devel] [PATCH 00/12] xenpaging changes for xen-unstable

To: Olaf Hering <olaf@xxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 00/12] xenpaging changes for xen-unstable
From: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Date: Tue, 11 Jan 2011 17:20:02 +0000
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Olaf Hering writes ("[Xen-devel] [PATCH 00/12] xenpaging changes for 
xen-unstable"):
> Here are some changes for xenpaging in xen-unstable.

Thanks.

> New to this series since my last post are patch 1 to 5.
> They are likely non-controversial and could be applied.

Yes, I intend to apply 1-5 to xen-unstable.hg now unless someone
shouts to tell me not to.

> Patches 6 and 7 are required to maintain the machine_to_phys_mapping[]
> array properly. Unless there are objections to the deallocation part,
> they could be applied.
> 
> Patch 8 could be applied as well.

Does 8 depend on 6 and 7 ?

> As it stands right now, a guest will hang hard with xenpaging once the
> balloon driver is loaded in the guest. Its not clear what the issue is,
> no memory_op hypercall has been issued yet. xm vcpu-list indicates the
> guest makes no progress.  I will debug this further.

Thanks.  Bear in mind that we are in at the end of the release cycle
now and the tree is becoming more and more frozen.

Since xenpaging doesn't work properly without your patches they're
bugfixes but we do want to get all of them in sooner rather than
later.  It's possible that we'll have to release without all the
changes you might want to make :-/.

Thanks,
Ian.

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