Hi,
On Wed, 30 Aug 2006, Oleg Nesterov wrote:
> > AFAICT it's called via rcu, does that mean anything released via rcu has
> > to be protected against interrupts?
>
> RCU means softirq, probably we can use spin_lock_bh() to protect against deadlock.
> But free_uid() may be called with irqs disabled, we can't use local_bh_enable()
> in such a case.
Eek, I wasn't really aware of it and this would really suck. We should
move things out of the interrupt context and not into it. :(
I would call it a bug in the rcu system.
bye, Roman
-
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]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
