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Re: [Xen-devel] [PATCH] linux: Slightly improve single-page contiguous r
| To: | "Jan Beulich" <jbeulich@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] linux: Slightly improve single-page contiguous region creation/destruction |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Thu, 29 Jun 2006 14:57:14 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 29 Jun 2006 06:57:46 -0700 |
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| In-reply-to: | <44A3F609.76E4.0078.0@xxxxxxxxxx> |
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On 29 Jun 2006, at 14:47, Jan Beulich wrote: Combine TLB flush with page table update, avoiding an extra hypercall. Especially on 32-bit PAE single page requests are quite frequent. Signed-off-by: jbeulich@xxxxxxxxxx Only on old Xen -- xen-unstable supports pgdirs above 4gb. So it's unclear this is a worthwhile optimisation there. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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