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Re: [Xen-devel] [PATCH] 32on64: increase size of compat argumenttranslat
| To: | Jan Beulich <JBeulich@xxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] 32on64: increase size of compat argumenttranslation area to 2 pages |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Fri, 03 Jul 2009 14:47:52 +0100 |
| Cc: | |
| Delivery-date: | Fri, 03 Jul 2009 06:48:35 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH] 32on64: increase size of compat argumenttranslation area to 2 pages |
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On 03/07/2009 14:31, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: >> Increasing COMPAT_ARG_XLAT_SIZE to 2 pages is sufficient to support >> order 9 exchanges. PERCPU_SHIFT must also be increased since the >> translation area is percpu. > > Perhaps we should decouple this by allocating those pages as CPUs get > brought up, and just have a pointer in per-CPU storage. Good idea. I will sort out a patch to do so, and apply Ian's patch on top. I will backport both for 3.4.1. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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