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Re: [Xen-devel] [PATCH] x86: adjust reserved bit page fault handling
| To: | Jan Beulich <jbeulich@xxxxxxxxxx>, Tim Deegan <Tim.Deegan@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] x86: adjust reserved bit page fault handling |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Fri, 01 Feb 2008 10:54:41 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 01 Feb 2008 02:55:39 -0800 |
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| Thread-index: | AchkwNiRFxj8cNC0EdymRgAX8io7RQ== |
| Thread-topic: | [Xen-devel] [PATCH] x86: adjust reserved bit page fault handling |
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On 1/2/08 10:38, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: >> The shadow pagetable code deliberately introduces invalid pagetable >> entries as part of its fast-path treatment of MMIO and not-present >> entries in the guest tables, so paging_fault needs to be called for >> PFEC_reserved_bit faults. > > Here's a replacement patch then, it would still be questionable whether > reserved bit faults should ever be propagated to a guest... > > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx> What problem does this patch solve? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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