From: Wei Yang <richardw.yang@linux.intel.com>
To: quintela@redhat.com, dgilbert@redhat.com
Cc: qemu-devel@nongnu.org, Wei Yang <richardw.yang@linux.intel.com>
Subject: [PATCH v2 6/6] migration/multifd: there is no spurious wakeup now
Date: Sat, 26 Oct 2019 08:45:20 +0800 [thread overview]
Message-ID: <20191026004520.5515-7-richardw.yang@linux.intel.com> (raw)
In-Reply-To: <20191026004520.5515-1-richardw.yang@linux.intel.com>
The spurious wakeup is gone.
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
---
migration/ram.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/migration/ram.c b/migration/ram.c
index fccdbfabc5..73ace40b1b 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1168,8 +1168,8 @@ static void *multifd_send_thread(void *opaque)
qemu_mutex_unlock(&p->mutex);
break;
} else {
- qemu_mutex_unlock(&p->mutex);
- /* sometimes there are spurious wakeups */
+ /* no other case should trigger me */
+ g_assert_not_reached();
}
}
--
2.17.1
next prev parent reply other threads:[~2019-10-26 0:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-26 0:45 [PATCH v2 0/6] migration/multifd: a new mechanism for send thread sync Wei Yang
2019-10-26 0:45 ` [PATCH v2 1/6] migration/multifd: move Params update and pages cleanup into multifd_send_fill_packet() Wei Yang
2019-11-19 10:57 ` Juan Quintela
2019-11-29 8:30 ` Wei Yang
2019-10-26 0:45 ` [PATCH v2 2/6] migration/multifd: notify channels_ready when send thread starts Wei Yang
2019-10-26 0:45 ` [PATCH v2 3/6] migration/multifd: use sync field to synchronize send threads Wei Yang
2019-10-26 0:45 ` [PATCH v2 4/6] migration/multifd: used must not be 0 for a pending job Wei Yang
2019-10-26 0:45 ` [PATCH v2 5/6] migration/multifd: use boolean for pending_job is enough Wei Yang
2019-10-26 0:45 ` Wei Yang [this message]
2019-12-16 2:36 ` [PATCH v2 0/6] migration/multifd: a new mechanism for send thread sync Wei Yang
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