On Mon, May 13, 2002, David Brownell <[EMAIL PROTECTED]> wrote:
> > > The HCD is most _certainly_ allowed to block when cleaning up
> > > device state. Every device management API I've had reason to
> > > look at in Linux guarantees that the the "clean up after this device"
> > > call can block.
> >
> > You haven't been looking hard enough. Take a look at all of the
> > networking code.
>
> You mean like unregister_netdev()? Which is guaranteed
> to call net->stop() in a thread context? Sorry, I know that one.
It almost seems like you're trying to be stubborn or difficult. The
world is not just devices.
cd linux-2.5.15/net
grep atomic_dec_and_test */*.c
For example, unix/af_unix.c:
extern inline void unix_release_addr(struct unix_address *addr)
{
if (atomic_dec_and_test(&addr->refcnt))
kfree(addr);
}
JE
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