* Steven Rostedt <[email protected]> wrote:
> On Fri, 2005-08-19 at 09:00 -0400, Steven Rostedt wrote:
> > On Fri, 2005-08-19 at 02:39 -0400, Steven Rostedt wrote:
>
> > I haven't thought of a good way yet to solve the race condition with
> > dependent sleeper. (Except by turning off CONFIG_WAKEUP_TIMING :-)
> >
>
> OK, I found one simple solution. The problem stems from max_mutex
> being grabbed. Since this uses the RT locks, and since tracing
> shouldn't really care about PI and all that, I switched this to a
> compat_semaphore, but only if CONFIG_WAKEUP_TIMING is set. This seems
> to get rid of this race condition that I have.
ok, i have applied your patch and have done a small tweak: i made it a
compat semaphore unconditionally. There's no point in #ifdefing it on
WAKEUP_TIMING.
> I found more bugs, but for now this message is about this specific
> race.
ok.
Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
|
|