On Thu, 5 Sep 2013, Will Deacon wrote: > > > > if (el == DBG_ACTIVE_EL1 && > > - local_dec_and_test(this_cpu_ptr(&kde_ref_count))) > > + this_cpu_dec_return(kde_ref_count)) > > disable &= ~DBG_MDSCR_KDE; > > Almost! I think we just need an '== 0' check on the result from the > decrement, since local_dec_and_test is simply a way to check that we've > decremented to zero, so this patch would otherwise invert the meaning. Ok can you take it from here and modify it? I have no build and test environment set up for ARM. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html