On Thu, Sep 20, 2012 at 2:03 AM, Paul E. McKenney <paul...@linux.vnet.ibm.com> wrote:
> Any thoughts on the feasibility of implementing NMI-based stack backtraces > for ARM? Nico's department, so let's page him. In IIRC ux500 all NMIs are reserved for the secure world, so it's basically a no can do. :-( And I'm told this is the case in some other ARMv7 arches too. > In the meantime, a crude fallback is for the CPU that detected the stall > to trace the stack of the task running on the other CPU. See below for > a crude (and untested) patch. I'll test! Thanks, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
