Messages in this thread | | | Date | Wed, 19 May 2004 16:46:08 -0700 | From | Tim Bird <> | Subject | Re: ANNOUNCE: CE Linux Forum - Specification V1.0 draft |
| |
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 =============================
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |