From: Peter Lieven <pl@kamp.de>
To: qemu-devel@nongnu.org
Cc: quintela@redhat.com, aik@ozlabs.ru, Peter Lieven <pl@kamp.de>,
owasserm@redhat.com, pbonzini@redhat.com,
xiawenc@linux.vnet.ibm.com, david@gibson.dropbear.id.au
Subject: [Qemu-devel] [PATCHv2 0/2] fix migration of zero pages
Date: Mon, 10 Jun 2013 12:14:18 +0200 [thread overview]
Message-ID: <1370859260-8183-1-git-send-email-pl@kamp.de> (raw)
There have been reports that migration is broken on pseries by Alexey Kardashevskiy.
It turned out that migration will fail in general as soon as a page is zero on the
source, but not on the destination. I thus reverted the skipping of zero pages
in bulk transfer phase and added a patch that does not (over)write zero pages
at the destination.
v2:
- keep skipped pages fields in monitoring and qmp intact to avoid compatiblity
issues.
Peter Lieven (2):
Revert "migration: do not sent zero pages in bulk stage"
migration: do not overwrite zero pages
arch_init.c | 27 ++++++++++++---------------
1 file changed, 12 insertions(+), 15 deletions(-)
--
1.7.9.5
next reply other threads:[~2013-06-10 10:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-10 10:14 Peter Lieven [this message]
2013-06-10 10:14 ` [Qemu-devel] [PATCHv2 1/2] Revert "migration: do not sent zero pages in bulk stage" Peter Lieven
2013-06-10 15:42 ` mdroth
2013-06-10 17:08 ` Orit Wasserman
2013-06-13 2:45 ` Wenchao Xia
2013-06-10 10:14 ` [Qemu-devel] [PATCHv2 2/2] migration: do not overwrite zero pages Peter Lieven
2013-06-10 16:10 ` mdroth
2013-06-10 16:17 ` mdroth
2013-06-10 18:50 ` Peter Lieven
2013-06-10 17:13 ` Orit Wasserman
2013-06-13 3:30 ` Wenchao Xia
2013-06-13 6:21 ` Peter Lieven
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