Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2b5407811db755257ae53c75cc6b312ed5d2ad9e
Commit: 2b5407811db755257ae53c75cc6b312ed5d2ad9e
Parent: 37cc8d7f963ba2deec29c9b68716944516a3244f
Author: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 13 16:20:35 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Feb 13 16:20:35 2008 +0100
xen: unpin initial Xen pagetable once we're finished with it
Unpin the Xen-provided pagetable once we've finished with it, so it
doesn't cause stray references which cause later swapper_pg_dir
pagetable updates to fail.
Signed-off-by: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
Tested-by: Jody Belka <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
arch/x86/xen/enlighten.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index de647bc..49e5358 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -798,6 +798,10 @@ static __init void xen_pagetable_setup_start(pgd_t *base)
* added to the table can be prepared properly for Xen.
*/
xen_write_cr3(__pa(base));
+
+ /* Unpin initial Xen pagetable */
+ pin_pagetable_pfn(MMUEXT_UNPIN_TABLE,
+ PFN_DOWN(__pa(xen_start_info->pt_base)));
}
static __init void xen_pagetable_setup_done(pgd_t *base)
-
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