* CONFIG_HIGHPTE ??? @ 2007-01-04 14:07 Jan Beulich 2007-01-04 14:09 ` Keir Fraser 2007-01-05 15:03 ` Rik van Riel 0 siblings, 2 replies; 3+ messages in thread From: Jan Beulich @ 2007-01-04 14:07 UTC (permalink / raw) To: xen-devel What is the background of not allowing this option under Xen? Thanks, Jan ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: CONFIG_HIGHPTE ??? 2007-01-04 14:07 CONFIG_HIGHPTE ??? Jan Beulich @ 2007-01-04 14:09 ` Keir Fraser 2007-01-05 15:03 ` Rik van Riel 1 sibling, 0 replies; 3+ messages in thread From: Keir Fraser @ 2007-01-04 14:09 UTC (permalink / raw) To: Jan Beulich, xen-devel It would probably have unpleasant performance, but that's only conjecture and I don't think there's any correctness reason not to allow that option these days. Give it a try. ;-) -- Keir On 4/1/07 14:07, "Jan Beulich" <jbeulich@novell.com> wrote: > What is the background of not allowing this option under Xen? > > Thanks, Jan > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: CONFIG_HIGHPTE ??? 2007-01-04 14:07 CONFIG_HIGHPTE ??? Jan Beulich 2007-01-04 14:09 ` Keir Fraser @ 2007-01-05 15:03 ` Rik van Riel 1 sibling, 0 replies; 3+ messages in thread From: Rik van Riel @ 2007-01-05 15:03 UTC (permalink / raw) To: Jan Beulich; +Cc: xen-devel Jan Beulich wrote: > What is the background of not allowing this option under Xen? The hypervisor interfaces to mark a certain page a page table pass a kernel virtual address as one of the arguments. I guess it might work with the page in question no longer having the address briefly after the call, but I'm not certain... -- All Rights Reversed ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2007-01-05 15:03 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2007-01-04 14:07 CONFIG_HIGHPTE ??? Jan Beulich 2007-01-04 14:09 ` Keir Fraser 2007-01-05 15:03 ` Rik van Riel
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