linux-kernel - Re: [PATCH v2] IB/mlx4: silence GCC warning

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Date:	Tue, 26 Feb 2013 09:57:04 +0200
From:	Jack Morgenstein <jackm@....mellanox.co.il>
To:	Roland Dreier <roland@...nel.org>
Cc:	Paul Bolle <pebolle@...cali.nl>, Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	Bart Van Assche <bvanassche@....org>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH v2] IB/mlx4: silence GCC warning

On Monday 25 February 2013 19:23, Roland Dreier wrote:
> On Mon, Feb 25, 2013 at 8:54 AM, Roland Dreier <roland@...nel.org> wrote:
> > I'm finally noticing that this is in the build_mlx_header() function,
> > which is pretty much a slow path.  Certainly another compare isn't
> > going to change performance given all the other stuff we do there.
> >
> > Let me look at the patches that have gone by and see what the cleanest
> > way to handle this is.
> 
> OK, after playing around a bit, I see that just initializing vlan
> doesn't really change the generated code (my gcc at least was already
> if effect setting vlan in the generated assembly code), so I'll just
> merge that.
> 
>  - R.

Thanks!

-Jack 
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