Rusty Russell 169c246a30 virtio: fix balloon without VIRTIO_BALLOON_F_STATS_VQ
When running under qemu-kvm-0.11.0:

	BUG: unable to handle kernel paging request at 56e58955
	...
	Process vballoon (pid: 1297, ti=c7976000 task=c70a6ca0 task.ti=c7
	...
	Call Trace:
	 [<c88253a3>] ? balloon+0x1b3/0x440 [virtio_balloon]
	 [<c041c2d7>] ? schedule+0x327/0x9d0
	 [<c88251f0>] ? balloon+0x0/0x440 [virtio_balloon]
	 [<c014a2d4>] ? kthread+0x74/0x80
	 [<c014a260>] ? kthread+0x0/0x80
	 [<c0103b36>] ? kernel_thread_helper+0x6/0x30

need_stats_update should be zero-initialized.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Adam Litke <agl@us.ibm.com>
2010-02-24 14:22:17 +10:30
..
2010-02-10 12:07:28 -07:00
2009-12-15 08:53:34 -08:00
2010-01-29 21:03:09 +01:00
2010-02-11 13:59:42 -08:00
2009-12-09 17:14:38 +11:00
2010-02-02 18:11:21 -08:00
2010-02-03 16:55:20 -05:00
2009-12-15 08:53:25 -08:00
2010-02-16 15:11:10 -08:00
2010-02-22 19:50:34 -08:00
2010-01-13 10:01:35 +00:00