Revert "cxgb3: Check and handle the dma mapping errors"
authorAlexey Kardashevskiy <aik@ozlabs.ru>
Wed, 14 Aug 2013 09:19:01 +0000 (19:19 +1000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 15 Aug 2013 08:23:32 +0000 (01:23 -0700)
commit728e2ccaa3c4d20cf4d54b73a47956bf4d334a9f
treee3e6143d6a22605873988d533c50ceb909bd6e8b
parent3da988c91d9c167994703a9d6f9e645df22c3c95
Revert "cxgb3: Check and handle the dma mapping errors"

This reverts commit f83331bab149e29fa2c49cf102c0cd8c3f1ce9f9.

As the tests PPC64 (powernv platform) show, IOMMU pages are leaking
when transferring big amount of small packets (<=64 bytes),
"ping -f" and waiting for 15 seconds is the simplest way to confirm the bug.

Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Santosh Rastapur <santosh@chelsio.com>
Cc: Jay Fenlason <fenlason@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Divy Le ray <divy@chelsio.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/chelsio/cxgb3/sge.c