From: "Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>
To: qemu-devel@nongnu.org
Cc: quintela@redhat.com, lvivier@redhat.com, peterx@redhat.com
Subject: [Qemu-devel] [PATCH v4 0/6] A bunch of RDMA fixes
Date: Mon, 17 Jul 2017 12:09:30 +0100 [thread overview]
Message-ID: <20170717110936.23314-1-dgilbert@redhat.com> (raw)
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
This is a bunch of RDMA fixes, the first is a race
I spotted a while ago that you don't hit during normal
operation; the rest are to do with migration failure and
cancellation that I started looking at because of lp1545052 which
is a failure to recover on the source if the destination
fails.
I'm pretty sure there are other cases where the source
might hang waiting for a failed destination; particularly
if the destination hangs rather than fails completely;
one I know of is waiting for the event after the rdma_disconnect
but I don't have a good fix for it. Suggestions welcome.
v4
Fix more error paths in qemu_rdma_block_for_wrid - often
the 'ret' wasn't set. Fix that and also fix the case we
add to also set the ret. Spotted by Peter.
Dr. David Alan Gilbert (6):
migration/rdma: Fix race on source
migration: Close file on failed migration load
migration/rdma: fix qemu_rdma_block_for_wrid error paths
migration/rdma: Allow cancelling while waiting for wrid
migration/rdma: Safely convert control types
migration/rdma: Send error during cancelling
migration/migration.c | 1 +
migration/rdma.c | 137 ++++++++++++++++++++++++++++++++++++--------------
2 files changed, 101 insertions(+), 37 deletions(-)
--
2.13.0
next reply other threads:[~2017-07-17 11:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-17 11:09 Dr. David Alan Gilbert (git) [this message]
2017-07-17 11:09 ` [Qemu-devel] [PATCH v4 1/6] migration/rdma: Fix race on source Dr. David Alan Gilbert (git)
2017-07-17 11:09 ` [Qemu-devel] [PATCH v4 2/6] migration: Close file on failed migration load Dr. David Alan Gilbert (git)
2017-07-17 19:49 ` Juan Quintela
2017-07-17 11:09 ` [Qemu-devel] [PATCH v4 3/6] migration/rdma: fix qemu_rdma_block_for_wrid error paths Dr. David Alan Gilbert (git)
2017-07-18 1:20 ` Peter Xu
2017-07-18 19:04 ` Dr. David Alan Gilbert
2017-07-17 11:09 ` [Qemu-devel] [PATCH v4 4/6] migration/rdma: Allow cancelling while waiting for wrid Dr. David Alan Gilbert (git)
2017-07-18 1:23 ` Peter Xu
2017-07-17 11:09 ` [Qemu-devel] [PATCH v4 5/6] migration/rdma: Safely convert control types Dr. David Alan Gilbert (git)
2017-07-17 16:20 ` Juan Quintela
2017-07-17 11:09 ` [Qemu-devel] [PATCH v4 6/6] migration/rdma: Send error during cancelling Dr. David Alan Gilbert (git)
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