linux-kernel - reason for delay in arch/x86/kernel/traps.c::io_check

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Message-ID: <49B56F18.1050904@nortel.com>
Date:	Mon, 09 Mar 2009 13:33:44 -0600
From:	"Chris Friesen" <cfriesen@...tel.com>
To:	linux-kernel@...r.kernel.org, Andi Kleen <andi@...stfloor.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: reason for delay in arch/x86/kernel/traps.c::io_check_error()?

Hi all,

I was just wondering about the basis for the delay in io_check_error(). 
  The ICH7 manual doesn't have any mention of a delay being required 
here--is it necessary for other hardware, something not mentioned in the 
manual, or just an accident?

Thanks,

Chris
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