Re: ANNOUNCE: CE Linux Forum - Specification V1.0 draft

[Tim Bird]

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@xxxxxxxxxxx
=============================

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