Re: PATCH: Multiprobe sanitizer

From: Benjamin Herrenschmidt
Date: Thu Aug 17 2006 - 08:12:49 EST

On Thu, 2006-08-17 at 05:00 -0700, Greg KH wrote:
> On Thu, Aug 17, 2006 at 11:24:35AM +0200, Benjamin Herrenschmidt wrote:
> > Probe ordering is fragile and completely defeated with busses that are
> > already probed asynchronously (like USB or firewire), and things can
> > only get worse. Thus we need to look for generic solutions, the trick of
> > maintaining probe ordering will work around problems today but we'll
> > still hit the wall in an increasing number of cases in the future.
> That's exactly why udev was created :)
> It can handle bus ordering issues already today just fine, and distros
> use it this way in shipping, "enterprise ready" products.

Only up to a certain point and for certain drivers... but yeah. That's
probably the right direction to take. Now, I'll let you and Alan argue
wether it's sufficient or not to move toward a fully parallel probing :)


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