| From | Konrad Rzeszutek Wilk <> | Subject | [PATCH 09/10] xen/mmu: Be aware of p2m_[mid_|]missing when saving/restore. | Date | Tue, 21 Dec 2010 16:37:39 -0500 |
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We did not consider the 1-1 mapping and during restore would not properly deal with them.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> --- arch/x86/xen/mmu.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index a917439..b2b8733 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -329,14 +329,13 @@ void xen_build_mfn_list_list(void) * they're just missing, just update the stored mfn, * since all could have changed over a migrate. */ - if (mid == p2m_mid_identity) { + if (mid == p2m_mid_identity || mid == p2m_mid_missing) { BUG_ON(mididx); BUG_ON(mid_mfn_p != p2m_mid_identity_mfn); p2m_top_mfn[topidx] = virt_to_mfn(p2m_mid_identity_mfn); pfn += (P2M_MID_PER_PAGE - 1) * P2M_PER_PAGE; continue; } - if (mid_mfn_p == p2m_mid_identity_mfn) { /* * XXX boot-time only! We should never find -- 1.7.1
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