Commit 82c92ed1 authored Jan 12, 2015 by Juergen Gross Committed by David Vrabel Jan 12, 2015

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>

parent 7be0772d

arch/x86/xen/p2m.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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));
		}
		}

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