From: Alexander Duyck <alexander.h.duyck@redhat.com>
Date: Thu, 9 Apr 2015 01:49:49 +0000 (-0700)
Subject: e100: Use dma_rmb/wmb where appropriate
X-Git-Tag: omap-for-v4.1/fixes-rc1~141^2~41^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c335869fb934ebcccab69315f1cbe7b34f6d9414;p=pandora-kernel.git

e100: Use dma_rmb/wmb where appropriate

Reduce the CPU overhead for transmit and receive by using lightweight dma_
barriers instead of full barriers where they are applicable.

Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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