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Re: [Xen-devel] [PATCH] [GNTTAB] expandable grant table

To: Keir Fraser <keir@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] [GNTTAB] expandable grant table
From: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Date: Mon, 19 Feb 2007 17:03:12 +0900
Cc: xen-ppc-devel@xxxxxxxxxxxxxxxxxxx, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
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Attached the updated patches. Please find them

- 13985_4fa9b86d41b8_grow_granttable_acm.patch
        acm part. I did only compile test.

- 13986_cca098fd122c_grow_granttable_ia64.patch
        ia64 part.

- 13987_f5f232aef7bd_grow_granttable_powerpc.patch
        powerpc part. This patch prohibits growing grant table.
        I didn't even compile test.
        It needs review by xen/powerpc developers and they may
        have their own opinions.

Thanks,

On Thu, Feb 15, 2007 at 02:39:37PM +0000, Keir Fraser wrote:
> 
> Hi Isaku,
> 
> The dynamic grant table patch is now in xen-unstable (c/s
> 13952:4bd0ea9c499). Can you update and resend these patches?
> 
>  Thanks,
>  Keir
> 
> 
> On 6/1/07 06:48, "Isaku Yamahata" <yamahata@xxxxxxxxxxxxx> wrote:
> 
> > On Fri, Jan 05, 2007 at 01:43:10PM +0000, Keir Fraser wrote:
> >> This one is waiting for final review before being checked in. Some people
> >> want the functionality this enables (>3 VIFs per guest) so I'm posting the
> >> patch in advance of applying it to xen-unstable.
> > 
> > I've been working on the same issue so that I have some patches.
> > I attached a part of them. Although they should be adjusted to
> > your patch which is to be commited, I wanted to send these out before
> > checking in.
> > If necessary, I'm willing to update them.
> > 
> > - acm code uses NR_GRANT_ENTRIES.
> >   The attached patch is only compile-tested.
> > 
> > - IA64 code needs a slight domain initialization adjustment.
> > 
> > - PPC code depends on the fact that shared grant table is machine 
> > continguous.
> >   I'm not familiar with PPC code so that I'm not sure how to solve it.
> >   If arch specific code can override maximal grant table size,
> >   Xen/PPC can prohibit growing grant table.
> >   After solving the issue, they can allow to grow grant table.
> 
> 
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> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
> 

-- 
yamahata

Attachment: 13985_4fa9b86d41b8_grow_granttable_acm.patch
Description: Text Data

Attachment: 13986_cca098fd122c_grow_granttable_ia64.patch
Description: Text Data

Attachment: 13987_f5f232aef7bd_grow_granttable_powerpc.patch
Description: Text Data

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