Re: [Xen-devel] [PATCH] Add necessary bits to pvops Linux for mapping paged-out pages

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

On Fri, Dec 16, 2011 at 10:22:18PM -0500, Adin Scannell wrote:
> I've ported a couple of patches to the Linux pvops kernel that are necessary
> for correctly running domains with paging.  In a nutshell: in the case of a
> foreign attempt to map a paged-out page, the correct error code will now be
> propogated up to libxc, which will already handle it correctly.
> 
> This required an implementation of mmap_batch_v2.
> 
> I've tested it using a highly-paged domain and everything looks okay (qemu 
> will
> receive the appropriate error via the mmap_batch_v2 and retry).

Please re-run these patches against scripts/checkpath.pl

Also do re-base them on my #linux-next branch 
(git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git
#linux-next). I am a bit worried how they are going to work with Daniel's HVM
patches which I was planning to put in my branch shorlty:

http://old-list-archives.xen.org/archives/html/xen-devel/2011-10/msg01487.html

> 
> (My apologies if anyone/everyone receives this set of patches more than once,
> I've had some trouble with both my connection dying and guilt freaking out
> while I'm sending, leaving things in a bit of an unknown state.)

Next time please also send them to konrad.wilk@xxxxxxxxxxx

Thanks!
> 

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