[Xen-devel] [PATCH 08/24] xen: reserve i386 Xen pagetables

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

Make sure the Xen-provided pagetables are reserved on x86-32.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
 arch/x86/xen/mmu.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 2d30b74..065fe8d 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1789,6 +1789,11 @@ __init pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd,
 
        pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(swapper_pg_dir)));
 
+       reserve_early(__pa(xen_start_info->pt_base),
+                     __pa(xen_start_info->pt_base +
+                          xen_start_info->nr_pt_frames * PAGE_SIZE),
+                     "XEN PAGETABLES");
+
        return swapper_pg_dir;
 }
 #endif /* CONFIG_X86_64 */
-- 
1.6.0.6


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel