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Re: [Xen-devel] grant table interface addition?
| To: | Jan Beulich <jbeulich@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] grant table interface addition? |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Fri, 31 Oct 2008 16:03:01 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 31 Oct 2008 09:03:25 -0700 |
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| Thread-topic: | [Xen-devel] grant table interface addition? |
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On 31/10/08 15:52, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: > Looking at that code I see some other potential issue, though: > GRANT_PTE_FLAGS include PAGE_USER for x86-64, but the generated > pte is passed through adjust_guest_l1e(), so without > GNTMAP_application_map we'd get global kernel mappings. Am I wrong > here? GRANT_PTE_FLAGS should include _PAGE_GUEST_KERNEL then? > Plus I would think that GRANT_PTE_FLAGS really should include PAGE_NX. Yeah, makes sense. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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