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(parent: ea2c5e1) | patch
xen-netback: don't stop dealloc kthread too early
authorWei Liu <wei.liu2@citrix.com>
Tue, 12 Aug 2014 10:48:07 +0000 (11:48 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 14 Aug 2014 03:07:44 +0000 (20:07 -0700)
commita64bd934528e26e8956112e43a279fba2ee0634e
tree304e4fca43ec1c2907bb0db71f50445ef5fcae32tree | snapshot (tar.gz zip)
parentea2c5e134237eadc9924ce821ded678750024549commit | diff
xen-netback: don't stop dealloc kthread too early

Reference count the number of packets in host stack, so that we don't
stop the deallocation thread too early. If not, we can end up with
xenvif_free permanently waiting for deallocation thread to unmap grefs.

Reported-by: Thomas Leonard <talex5@gmail.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Zoltan Kiss <zoltan.kiss@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/xen-netback/common.h diff | blob | blame | history
drivers/net/xen-netback/interface.c diff | blob | blame | history
drivers/net/xen-netback/netback.c diff | blob | blame | history