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From: Tim Bird <tim.bird@am.sony.com>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: Christoph Hellwig <hch@infradead.org>,
	Mark Gross <mgross@linux.jf.intel.com>,
	linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: ANNOUNCE: CE Linux Forum - Specification V1.0 draft
Date: Wed, 19 May 2004 16:46:08 -0700	[thread overview]
Message-ID: <40ABF1C0.1010804@am.sony.com> (raw)
In-Reply-To: <20040519225729.A28893@flint.arm.linux.org.uk>

Russell King wrote:
> On Wed, May 19, 2004 at 12:30:42PM -0700, Tim Bird wrote:
> 
>>The non-normative section of this spec. explains where this was
>>a problem in 2.4, and why it is desirable, from the standpoint of
>>bootup time reduction, to avoid these busywaits.
> 
> In this case, it's really a bug that IDE is using a busy wait where it
> should be using a sleeping wait.  It's a bug, plain and simple.  To
> wrap the bug into "a spec" somehow seems wrong to me, especially when
> it would be far better to report the problem as a bug.

Sometimes it's difficult to discern what the intention or correctness
of a piece of code is, when you have limited experience with the code.
I know, we could have just asked...

> 
> Sure, specs make suit-wearing people happy, but that doesn't mean that
> they're appropriate as a bug reporting method. 8)

Agreed.  :-)  We should probably mutate this into a more general
statement that says "busywaits are not appreciated as a delay mechanism
by drivers on bootup."

=============================
Tim Bird
Architecture Group Co-Chair
CE Linux Forum
Senior Staff Engineer
Sony Electronics
E-mail: Tim.Bird@am.sony.com
=============================


  parent reply	other threads:[~2004-05-19 23:45 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-17 19:05 Tim Bird
2004-05-17 19:19 ` Christoph Hellwig
2004-05-17 19:59   ` Tim Bird
2004-05-17 20:42   ` Mark Gross
2004-05-17 20:48     ` Arjan van de Ven
     [not found]     ` <20040518074854.A7348@infradead.org>
2004-05-18 19:32       ` Mark Gross
2004-05-18 19:56         ` Russell King
2004-05-18 20:45           ` Bartlomiej Zolnierkiewicz
2004-05-18 20:00         ` viro
2004-05-19 19:30       ` Tim Bird
2004-05-19 21:57         ` Russell King
2004-05-19 22:02           ` Jeff Garzik
2004-05-19 23:46           ` Tim Bird [this message]
2004-05-19 22:08         ` Theodore Ts'o
2004-05-19 23:37           ` Tim Bird
2004-05-17 21:22   ` Tim Bird
2004-05-19 15:27     ` Adrian Bunk
2004-05-19 16:59       ` Tim Bird
2004-05-19 20:16         ` Adrian Bunk
2004-05-19 20:38           ` Tim Bird
2004-05-19 20:48             ` Nicolas Pitre
2004-05-19 22:00         ` Russell King

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