From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Fri, 26 Aug 2011 07:43:43 +0000 (+0000)
Subject: igb: streamline Rx buffer allocation and cleanup
X-Git-Tag: v3.2-rc1~129^2~253^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c023cd8898dbee857c8e82b357b4e68dc2d9561d;p=pandora-kernel.git

igb: streamline Rx buffer allocation and cleanup

This change is meant to streamline the Rx buffer allocation and cleanup.
This is accomplished by reducing the number of writes by only having the Rx
descriptor ring written by software during allocation, and it will only be
read during cleanup.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by:  Aaron Brown  <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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