linux-kernel - Re: [PATCH] Reduce the number of expensive division instructions done by _parse

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Message-ID: <8689.1328810841@redhat.com>
Date:	Thu, 09 Feb 2012 18:07:21 +0000
From:	David Howells <dhowells@...hat.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	dhowells@...hat.com, Eric Dumazet <eric.dumazet@...il.com>,
	adobriyan@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Reduce the number of expensive division instructions done by _parse_integer()

Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> Bah. The constant is hoisted out of the loop on anything that has
> enough registers - and "cannot generate constants" is almost
> universally associated with "fair amount of registers".

True.

Do you want me to attach my patch description to your patch, or do you want to
do that?

David
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