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Message-ID: <3C685B6E.59076E64@linux-m68k.org>
Date: Tue, 12 Feb 2002 01:01:50 +0100
From: Roman Zippel <zippel@linux-m68k.org>
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To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: thread_info implementation
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Hi,

I wrote:

> 1. I more liked the previous byte fields instead of the bitmasks.
> bitfield/bitmask instructions are at least 2 bytes longer than a simple
> test instruction for m68k.

Additional note: The currently used bitfield instruction can be quite
expensive, where all we need is an atomic read and write, but not an
atomic test/modify.

bye, Roman
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