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xen: check pre-allocated page tables for conflict with memory map

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Check whether the page tables built by the domain builder are at
memory addresses which are in conflict with the target memory map.
If this is the case just panic instead of running into problems
later.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
This commit is contained in:
Juergen Gross
2015-07-17 06:51:31 +02:00
committed by David Vrabel
parent 808fdb7193
commit 04414baab5
3 changed files with 23 additions and 3 deletions
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arch/x86/xen/xen-ops.h
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@@ -35,6 +35,7 @@ void xen_build_mfn_list_list(void);
void xen_setup_machphys_mapping(void);
void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
void xen_reserve_top(void);
void __init xen_pt_check_e820(void);
void xen_mm_pin_all(void);
void xen_mm_unpin_all(void);