Re: [PATCH -rt] race condition in fs/compat.c with compat_sys_ioctl

[Andi Kleen]

Steven Rostedt <rostedt@xxxxxxxxxxx> writes:
> 
> That's the problem. I found out that one ioctl might sleep holding the
> sem and won't be woken up until another process calls another ioctl to
> wake it up. But unfortunately, the one waking up the sleeper will block
> on the sem.  (the killer was tty_wait_until_sent)

You should have looked into mainline first. The semaphore is already gone
because it wasn't even needed anymore.

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/