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authorJuergen Gross <jgross@suse.com>2015-01-12 08:05:07 +0300
committerDavid Vrabel <david.vrabel@citrix.com>2015-01-12 13:09:34 +0300
commit82c92ed1357bca22a5d637fbb93dab3eb18a8e8c (patch)
treedb491472b60cfc8a255c0f3c7973fae70995351f /arch
parent7be0772d19103b3eac3c2e9ac325df2563273fdc (diff)
downloadlinux-82c92ed1357bca22a5d637fbb93dab3eb18a8e8c.tar.xz
xen: correct error for building p2m list on 32 bits
In xen_rebuild_p2m_list() for large areas of invalid or identity mapped memory the pmd entries on 32 bit systems are initialized wrong. Correct this error. Suggested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/xen/p2m.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index cab221da5f10..ff4ebd820603 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -378,7 +378,7 @@ static void __init xen_rebuild_p2m_list(unsigned long *p2m)
p2m_missing_pte : p2m_identity_pte;
for (i = 0; i < PMDS_PER_MID_PAGE; i++) {
pmdp = populate_extra_pmd(
- (unsigned long)(p2m + pfn + i * PTRS_PER_PTE));
+ (unsigned long)(p2m + pfn) + i * PMD_SIZE);
set_pmd(pmdp, __pmd(__pa(ptep) | _KERNPG_TABLE));
}
}