From mboxrd@z Thu Jan 1 00:00:00 1970 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 Message-ID: <1292967460-15709-10-git-send-email-konrad.wilk@oracle.com> References: <1292967460-15709-1-git-send-email-konrad.wilk@oracle.com> Return-path: In-Reply-To: <1292967460-15709-1-git-send-email-konrad.wilk@oracle.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, jeremy@goop.org, hpa@zytor.com Cc: Jan Beulich , xen-devel@lists.xensource.com, Konrad Rzeszutek Wilk , Konrad Rzeszutek Wilk List-Id: xen-devel@lists.xenproject.org We did not consider the 1-1 mapping and during restore would not properly deal with them. Signed-off-by: Konrad Rzeszutek Wilk --- 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