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authorSamuel Mendoza-Jonas <sam.mj@au1.ibm.com>2014-11-17 15:12:28 +1100
committerAlexander Graf <agraf@suse.de>2015-01-07 16:16:26 +0100
commit01a579729b2e614bd02b25c8504976eeecb64eff (patch)
treef5ce4284c32e0460ece5346ce914598e65f0ea3c /include
parente094c4c12f33a1c965f5af02f33968a337348739 (diff)
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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>
Diffstat (limited to 'include')
-rw-r--r--include/hw/ppc/spapr.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 749daf4..716bff4 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