linux-kernel - Re: man-pages-2.57 is released

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Message-ID: <4676C838.1020006@zytor.com>
Date:	Mon, 18 Jun 2007 11:00:24 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	7eggert@....de
CC:	Michael Kerrisk <mtk-manpages@....net>,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org
Subject: Re: man-pages-2.57 is released

Bodo Eggert wrote:
> 
> BTW1: linux/arch/i386/kernel/ioport.c still states having 8K of bitmaps to
> be excessive (and implicitely and now wrongly as not being done). Since
> there should only be few processes requiring iopl, the 8K should not be
> excessive. We need a native speaker to change this text, at least not me
> right now.
> 

That text almost certainly dates back to when every process had a bitmap.

Unfortunately, in a case of utter design braindamage, you can't have the
I/O bitmap be more than 2^16 bytes away from the base of the TSS, so
fixing that took a long time.

	-hpa
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