• Rusty Russell's avatar
    virtio: fix balloon without VIRTIO_BALLOON_F_STATS_VQ · 169c246a
    Rusty Russell authored
    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: default avatarRusty Russell <rusty@rustcorp.com.au>
    Acked-by: default avatarAdam Litke <agl@us.ibm.com>
    169c246a
virtio_balloon.c 9.81 KB