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Re: [Xen-devel] Why gnttab_grant_foreign_access() can only grantaccess f

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Why gnttab_grant_foreign_access() can only grantaccess for one page?
From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date: Sat, 8 Jul 2006 14:31:21 +0100
Cc: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, Lily Huang <ushuanglily@xxxxxxxxx>, Randy Thelen <rthelen@xxxxxxxxxx>
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> There should be a hypercall to grow a domain's grant table. It's been on
> the todo list for a while. Want to knock something up?

I'd be able to review code etc for this, feel free to contact me on or off 
list.  It'll be useful for my work also.

Cheers,
Mark

>
> Thanks,
> Ian
>
> > thanks,
> > lily
> >
> > On 7/7/06, Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx> wrote:
> >     > Lily Huang wrote:
> >     > > THis seems to be less efficient. Why cannot we allow this
> >
> > function
> >
> >     > > to grant access for mulitiple pages just remap function?
> >     >
> >     > With what frequency are multiple page grants requested?
> >
> >     You can always use multicalls for batches. In the current usage
> >     scenarios, grant tables are not typically used to map machine
> > contiguous
> >     regions.
> >
> >     Ian
>
> _______________________________________________
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-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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