Re: [patch 8/8] PCI Error Recovery: PPC64 core recovery routines

[Paul Mackerras <paulus@samba.org>]

Benjamin Herrenschmidt writes:

> Ok, so what is the problem then ? Why do we have to wait at all ? Why
> not just unplug/replug right away ?

We'd have to be absolutely certain that the driver could not possibly
take another interrupt or try to access the device on behalf of the
old instance of the device by the time it returned from the remove
function.  I'm not sure I'd trust most drivers that far...

Paul.
-
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/