On Thu, 2005-02-10 at 18:45 +0000, Russell King wrote:
> On Thu, Feb 10, 2005 at 12:18:37PM -0500, Adam Belay wrote:
> > > I think the issue that Al raises about drivers grabbing devices, and
> > > then trying to unbind them might be a real problem.
> > 
> > I agree.  Do you think registering every in-kernel driver before probing
> > hardware would solve this problem?
> 
> In which case, consider whether we should be tainting the kernel if
> someone loads a device driver, it binds to a device, and then they
> unload that driver.
> 
> It's precisely the same situation, and precisely the same mechanics
> as what I've suggested should be going on here.  If one scenario is
> inherently buggy, so is the other.
> 

I think it would depend on whether the user makes the device busy before
the driver is unloaded.  Different device classes may have different
requirements for when and how a device can be removed.  Are there other
issues as well?  Maybe there are ways to improve driver start and stop
mechanics.

Thanks,
Adam


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