[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] Allow programatic iomem permissions
On 13/7/07 16:54, "Kieran Mansley" <kmansley@xxxxxxxxxxxxxx> wrote: > Oops, sorry, forgot to refresh the patch before sending. This one > should compile better! The put_page[_and_type] also needs to be on the far side of the TLB flush. This is because if a refcount falls to zero then the page can change type (e.g., to pagetable page) or be recycled to another domain! This is a safety issue for Xen rather than for the granter. :-) -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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