From 01a579729b2e614bd02b25c8504976eeecb64eff Mon Sep 17 00:00:00 2001
From: Samuel Mendoza-Jonas
Date: Mon, 17 Nov 2014 15:12:28 +1100
Subject: spapr: Fix stale HTAB during live migration (KVM)

If a guest reboots during a running migration, changes to the
hash page table are not necessarily updated on the destination.
Opening a new file descriptor to the HTAB forces the migration
handler to resend the entire table.

Signed-off-by: Samuel Mendoza-Jonas <sam.mj@au1.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 include/hw/ppc/spapr.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include')

diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 749daf4dd7..716bff43bf 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -37,6 +37,7 @@ typedef struct sPAPREnvironment {
     int htab_save_index;
     bool htab_first_pass;
     int htab_fd;
+    bool htab_fd_stale;
 } sPAPREnvironment;
 
 #define H_SUCCESS         0
-- 
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