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Re: [linux-kernel] Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override.

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To: David Newall <davidn@...>
Cc: David P. Reed <dpreed@...>, David Woodhouse <dwmw2@...>, Rene Herman <rene.herman@...>, Zachary Amsden <zach@...>, H. Peter Anvin <hpa@...>, Christer Weinigel <christer@...>, Ondrej Zary <linux@...>, Bodo Eggert <7eggert@...>, Ingo Molnar <mingo@...>, Paul Rolland <rol@...>, Pavel Machek <pavel@...>, Thomas Gleixner <tglx@...>, <linux-kernel@...>, Ingo Molnar <mingo@...>, rol <rol@...>
Date: Wednesday, January 16, 2008 - 4:08 pm

> If the hardware required an intermediate junk I/O, that would be a

And the only instruction that is synchronized to the bus in question is
an I/O instruction. 


Wrong again. ISA bus speed is neither defined precisely, nor visible in a
system portable fashion.

I'm so glad you have nothing better to do than troll, if you
actually wrote code I'd be worried it might get into something people
used.

Alan
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Messages in current thread:
Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Christer Weinigel, (Mon Jan 7, 11:15 pm)
Re: [linux-kernel] Re: [PATCH] x86: provide a DMI based port..., Alan Cox, (Wed Jan 16, 4:08 pm)
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