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Re: [Xen-devel] TPR write optimization (even improves 2003 sp2)


  • To: James Harper <james.harper@xxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • Date: Thu, 08 Jan 2009 09:12:23 +0000
  • Cc:
  • Delivery-date: Thu, 08 Jan 2009 01:14:32 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AclwbQESFc81qMn2SR2vAjv2yU5MgQABpemAAAyUQdEAAFfuQAAAdgGuAAA1Q7AAAPb/BAAAN9OgAADpQpkAA5LWcAAAj3LQABWGf/AAA+R78AAR/80QAAAI8AAAACIg2A==
  • Thread-topic: [Xen-devel] TPR write optimization (even improves 2003 sp2)

On 08/01/2009 09:09, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:

>> Using alloc_xenheap_page would be okay.
> 
> Is it possible to map a page allocated with alloc_domheap_page into the
> domain? The semantics must be different as it didn't work the way I
> expected it to...

It wouldn't be easy. Just use alloc_xenheap_page(). You can get rid of the
map_domain_page_global() then, too.

 -- Keir



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