On Wed, 12 Jun 2013, Benjamin Herrenschmidt wrote: > The OF code uses irqsafe locks everywhere except in a handful of functions > for no obvious reasons. Since the conversion from the old rwlocks, this > now triggers lockdep warnings when used at interrupt time. At least one > driver (ibmvscsi) seems to be doing that from softirq context. > > This converts the few non-irqsafe locks into irqsafe ones, making them > consistent with the rest of the code.
Fun. https://lkml.org/lkml/2013/2/4/416 seems to have got lost > Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org> > CC: <sta...@vger.kernel.org> [v3.9+] Acked-by: Thomas Gleixner <t...@linutronix.de> > --- > > Note: It's silly to access the device-tree at interrupt time in most cases, > and we should probably fix ibmvscsi, but for the time being, let's fix the Right. > obvious bug. Thomas, this can probably still go into 3.10... If not, I've > CCed stable. Should go through Grant I think. Thanks, tglx _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
