Re: __check_region in ide code?
William Lee Irwin III (firstname.lastname@example.org)
Fri, 6 Jun 2003 04:31:28 -0700
On Fri, Jun 06, 2003 at 05:34:24PM +1000, Rusty Russell wrote:
> I notice that drivers/ide/ide-probe.c's hwif_check_region()
> still uses check_region(). If it really does want to use it to probe
> and not reserve, I think we should stop it warning there.
> There's nothing inherently *wrong* with check_region, it's
> just deprecated to trap the old (now racy) idiom of "if
> (check_region(xx)) reserve_region(xx)". There's no reason not to
> introduce a probe_region if IDE really wants it.
> Of course, some people will start "fixing" drivers by
> s/check_region/probe_region/ when we do this, but that's the risk we
> It should also allow us to easily get rid of that stupid warning in
I've actually seen IDE oops doing a racy check_region()/request_region()
on 2.4.x-test*. Either the fix I brewed up never hit mainline or there's
more than the one I hit.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to email@example.com
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/