Re: [Xen-devel] 32-on-64: pvfb issue

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Thu, 2007-01-18 at 18:31 +0000, Keir Fraser wrote:
> This is even better than with blkfront/blkback because there are definitely
> no PV-on-HVM pvfb driver frontends out in the wild (and it's HVM that makes
> things harder).

PV on HVM for fbfront is pretty hard since the kernel.org tree does not
export zap_page_range to modules, neither do many of the older distro
kernels I've looked at.

I tried doing a compat version like with other such functions but it
ended up pulling half of mm/memory.c into the compat layer which I don't
like.

Do I vaguely recall plans to get rid of the use of zap_page_range or is
my memory playing tricks?

Ian.




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