linux-kernel - Re: [GIT] Networking

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Message-ID: <1446512176.17404.30.camel@kernel.crashing.org>
Date:	Tue, 03 Nov 2015 11:56:16 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Andy Lutomirski <luto@...nel.org>,
	David Miller <davem@...emloft.net>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Network Development <netdev@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [GIT] Networking

On Mon, 2015-11-02 at 13:30 -0800, Andy Lutomirski wrote:
> 
> I'll stop making inane arguments if you stop bashing arguments I
> didn't make. :)  I said the helpers were useful for multiplication (by
> which I meant both signed and unsigned) and, to a lesser extent, for
> signed addition and subtraction.
> 
> I don't believe I even tried to justify usub_overflow as anything
> other than an extremely minor optimization that probably isn't
> worthwhile.

Also how much of the problem is simply that the function signature
(naming and choice of arguments) just plain sucks ?

Cheers,
Ben.

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