From: Grant Likely <[email protected]> Date: Wed, 12 Jun 2013 10:06:12 +0100
> On Wed, 12 Jun 2013 10:25:56 +0200 (CEST), Thomas Gleixner > <[email protected]> wrote: >> 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 <[email protected]> >> > CC: <[email protected]> [v3.9+] >> >> Acked-by: Thomas Gleixner <[email protected]> >> >> > --- >> > >> > 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. > > Applied, thanks. FWIW: Acked-by: David S. Miller <[email protected]> _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
