[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Fix alloc_{l2, l3}_table to correctly compute longword-sized virtual
ChangeSet 1.1734, 2005/06/23 09:48:36+01:00, kaf24@xxxxxxxxxxxxxxxxxxxx Fix alloc_{l2,l3}_table to correctly compute longword-sized virtual address from int-sized pagetable index. Based on discussion from Scott Parish and Jan Beulich. Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx> mm.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff -Nru a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c --- a/xen/arch/x86/mm.c 2005-06-23 05:03:43 -04:00 +++ b/xen/arch/x86/mm.c 2005-06-23 05:03:43 -04:00 @@ -753,7 +753,7 @@ #else # define create_pae_xen_mappings(pl3e) (1) # define l1_backptr(bp,l2o,l2t) \ - ({ *(bp) = (l2o) << L2_PAGETABLE_SHIFT; 1; }) + ({ *(bp) = (unsigned long)(l2o) << L2_PAGETABLE_SHIFT; 1; }) #endif static int alloc_l2_table(struct pfn_info *page, unsigned int type) @@ -821,7 +821,7 @@ pl3e = map_domain_page(pfn); for ( i = 0; i < L3_PAGETABLE_ENTRIES; i++ ) { - vaddr = i << L3_PAGETABLE_SHIFT; + vaddr = (unsigned long)i << L3_PAGETABLE_SHIFT; if ( is_guest_l3_slot(i) && unlikely(!get_page_from_l3e(pl3e[i], pfn, d, vaddr)) ) goto fail; _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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