[Xen-devel] Re: [RFC PATCH v01] Xen PVSCSI drivers for pvops xen/stable-2.6.32.x kernel

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Mon, 2011-01-10 at 10:15 +0000, Olaf Hering wrote:
> 
> > (The presence of the use of msleep in the eagain case is a bit
> > terrifying. Stripping it out for now and redoing it might not be a
> bad
> > plan)
> 
> Right now the retry is required for xenpaging, otherwise the guests
> filesystem will be corrupted.
> In the long run the newly added waitqueue feature may be used to make
> the page access transparent to the guest and dom0.

I mistakenly thought msleep was a spinning type wait, but it does
actually sleep properly so it's probably not as bad as I thought.

Ian.


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel