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From: "H. Peter Anvin" <hpa@zytor.com>
To: 7eggert@gmx.de
Cc: Michael Kerrisk <mtk-manpages@gmx.net>,
	linux-kernel@vger.kernel.org, torvalds@linux-foundation.org
Subject: Re: man-pages-2.57 is released
Date: Mon, 18 Jun 2007 11:00:24 -0700	[thread overview]
Message-ID: <4676C838.1020006@zytor.com> (raw)
In-Reply-To: <E1I0HsK-0000of-5v@be1.lrz>

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

  parent reply	other threads:[~2007-06-18 18:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <8x3Cc-1LD-13@gated-at.bofh.it>
2007-06-18 14:06 ` man-pages-2.57 is released Bodo Eggert
2007-06-18 15:01   ` Michael Kerrisk
2007-06-18 18:00   ` H. Peter Anvin [this message]
2007-06-16 12:31 Michael Kerrisk

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