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Re: [Xen-devel] Question about mmu_update
| To: | xen-devel list <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | Re: [Xen-devel] Question about mmu_update |
| From: | Simon Kagstrom <simon.kagstrom@xxxxxx> |
| Date: | Thu, 16 Feb 2006 13:11:40 +0100 |
| Delivery-date: | Thu, 16 Feb 2006 12:24:05 +0000 |
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At Tue, 14 Feb 2006 14:53:39 +0100, Simon Kagstrom wrote: > ------------------------------------------------------------ > new[NR_GRANT_FRAMES].ptr = phys_to_machine(to_phys(pgdir)) + sizeof(void*) * > l2_table_offset(XEN_GNTTAB_START); > new[NR_GRANT_FRAMES].val = phys_to_machine(pgtab) | (L1_PROT & ~_PAGE_RW); > > BUG_ON(HYPERVISOR_mmu_update(new, 1, NULL, DOMID_SELF) < 0); > ------------------------------------------------------------ I've also tried to set val to 0, and I still get the same problem: ------------------------------------------------------------ (XEN) DOM7: (file=mm.c, line=352) Could not get page ref for pfn 921c0183 (XEN) DOM7: (file=mm.c, line=2042) Could not get page for normal update ------------------------------------------------------------ I'm puzzled. The pfn given there looks all wrong, and I'm not sure what is wrong with this code. The page directory is taken directly from start_info (pt_base). Does anyone see what I do wrong? // Simon _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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