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authorSridhar Samudrala <samudrala@us.ibm.com>2010-02-28 19:39:16 +0200
committerMichael S. Tsirkin <mst@redhat.com>2010-02-28 19:50:33 +0200
commit39286fa41a8b2c6a9c1f656a7b3c3efca95bc1b9 (patch)
tree1639935ff004a1ba9452314bd8921f81058bb29a /Documentation/x86
parentd6db3f5c11dc7ed5712d5d5682aa34025ee5248e (diff)
downloadlinux-39286fa41a8b2c6a9c1f656a7b3c3efca95bc1b9.tar.bz2
vhost-net: restart tx poll on sk_sndbuf full
guest to remote communication with vhost net sometimes stops until guest driver is restarted. This happens when we get guest kick precisely when the backend send queue is full, as a result handle_tx() returns without polling backend. This patch fixes this by restarting tx poll on this condition. Signed-off-by: Sridhar Samudrala <samudrala@us.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Tom Lendacky <toml@us.ibm.com>
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