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xen-ia64-devel
Re: [Xen-ia64-devel] PATCH: cleanup of tlbflush
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To: |
"Tian, Kevin" <kevin.tian@xxxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>, "Magenheimer, Dan \(HP Labs Fort Collins\)" <dan.magenheimer@xxxxxx>, "Alex Williamson" <alex.williamson@xxxxxx>, "Isaku Yamahata" <yamahata@xxxxxxxxxxxxx> |
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Subject: |
Re: [Xen-ia64-devel] PATCH: cleanup of tlbflush |
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From: |
Tristan Gingold <Tristan.Gingold@xxxxxxxx> |
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Date: |
Wed, 10 May 2006 13:57:13 +0200 |
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Wed, 10 May 2006 05:05:37 -0700 |
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Le Mercredi 10 Mai 2006 13:38, Tian, Kevin a écrit :
> From: Tristan Gingold [mailto:Tristan.Gingold@xxxxxxxx]
>
> >Sent: 2006年5月10日 18:47
> >
> >> I see your concern about flush efficiency. However we still need set
> >> necessary mask bits for correctness, right?
> >
> >Not yet, because pages are not transfered.
>
> It's not specific to page flipping. Simple page sharing also has same
> problem.
No really. Page sharing is only from domU to dom0. Thus, if we trust dom0 we
don't need to flush all the tlb.
Tristan.
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- [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tristan Gingold
- RE: [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tian, Kevin
- RE: [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tian, Kevin
- RE: [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tian, Kevin
- RE: [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tian, Kevin
- RE: [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tian, Kevin
- RE: [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tian, Kevin
- RE: [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tian, Kevin
- RE: [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tian, Kevin
- RE: [Xen-ia64-devel] PATCH: cleanup of tlbflush, Tian, Kevin
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