netdev - Re: [PATCH net-next 14/17] tcp: remove pointless .dsack code

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Message-Id: <20090302.030320.95493086.davem@davemloft.net>
Date:	Mon, 02 Mar 2009 03:03:20 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	ilpo.jarvinen@...sinki.fi
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next 14/17] tcp: remove pointless .dsack code

From: "Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Date: Sat, 28 Feb 2009 16:44:39 +0200

> From: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
> 
> In the pure assignment case, the earlier zeroing is
> still in effect.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>

I skipped this one.

These tests could be there to avoid dirtying a cacheline
when unnecessary.  And so unless we can prove the condition
always hits and we always do the write, we should keep
the tests there.
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