Re: hotplug and interrupt context

Andreas Bombe (andreas.bombe@munich.netsurf.de)
Tue, 13 Mar 2001 02:43:11 +0100

On Sun, Mar 11, 2001 at 10:18:18PM -0500, Jeff Garzik wrote:
> Andreas Bombe wrote:
> >
> > I couldn't trace that down to be 100% sure and it's better to conform to
> > design than implementation, so I'll ask:
> >
> > Do the probe and remove functions of a pci_driver have to be able to
> > work in interrupt context? (i.e. GFP_ATOMIC and stuff)
>
> No, no interrupt context to worry about. It would really suck if you
> couldn't sleep in pci_driver::probe :)

Very good. I wasn't sure since I saw GFP_ATOMIC allocations somewhere
in the cardbus code which looked like it was in card initialization.
But it's also confusing and somewhere was a note saying that some of
this is obsolete code which is replaced elsewhere...

> For CardBus, it calls schedule_task ..

Another thing learned, thanks.

-- 
 Andreas E. Bombe <andreas.bombe@munich.netsurf.de>    DSA key 0x04880A44
http://home.pages.de/~andreas.bombe/    http://linux1394.sourceforge.net/
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