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author	Zoltan Kiss <zoltan.kiss@citrix.com>
	Thu, 6 Mar 2014 21:48:31 +0000 (21:48 +0000)
committer	David S. Miller <davem@davemloft.net>
	Fri, 7 Mar 2014 20:57:21 +0000 (15:57 -0500)
commit	e9275f5e2df1b2098a8cc405d87b88b9affd73e6
tree	05898b0d8dab616b2936783964cae4f77b06af84	tree \| snapshot (tar.gz zip)
parent	093507885ae5dc0288af07fbb922d2f85b3a88a6	commit \| diff

xen-netback: Aggregate TX unmap operations

Unmapping causes TLB flushing, therefore we should make it in the largest
possible batches. However we shouldn't starve the guest for too long. So if
the guest has space for at least two big packets and we don't have at least a
quarter ring to unmap, delay it for at most 1 milisec.

Signed-off-by: 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

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