From: David S. Miller <davem@davemloft.net>
Date: Tue, 8 Apr 2008 23:50:44 +0000 (-0700)
Subject: [NET]: Undo code bloat in hot paths due to print_mac().
X-Git-Tag: v2.6.25-rc9~4^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=21f644f3eabde637f255f75ad05d0821a7a36b7f;p=pandora-kernel.git

[NET]: Undo code bloat in hot paths due to print_mac().

If print_mac() is used inside of a pr_debug() the compiler
can't see that the call is redundant so still performs it
even of pr_debug() ends up being a nop.

So don't use print_mac() in such cases in hot code paths,
use MAC_FMT et al. instead.

As noted by Joe Perches, pr_debug() could be modified to
handle this better, but that is a change to an interface
used by the entire kernel and thus needs to be validated
carefully.  This here is thus the less risky fix for
2.6.25

Signed-off-by: David S. Miller <davem@davemloft.net>
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