sfc: Insert read memory barrier after checking MAC statistics flag
authorBen Hutchings <bhutchings@solarflare.com>
Mon, 1 Sep 2008 11:50:08 +0000 (12:50 +0100)
committerJeff Garzik <jgarzik@redhat.com>
Wed, 24 Sep 2008 22:54:40 +0000 (18:54 -0400)
This prevents speculative reading of the statistics before the
completion flag.

From: Neil Turton <nturton@solarflare.com>
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

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