Hi Russell, On Sat, Aug 02 2014 at 8:51:18 am BST, Russell King - ARM Linux <li...@arm.linux.org.uk> wrote: > On Tue, Jul 08, 2014 at 02:10:25PM +0100, Marc Zyngier wrote: >> Calling irq_find_mapping from outside a irq_{enter,exit} section is >> unsafe and produces ugly messages if CONFIG_PROVE_RCU is enabled: >> If coming from the idle state, the rcu_read_lock call in irq_find_mapping >> will generate an an unpleasant warning. >> >> A solution is to add a new handle_domain_irq entry point into >> the arm code that the interrupt controller code can call. >> This new function takes an irq_domain, and calls into irq_find_domain >> inside the irq_{enter,exit} block. >> >> Interrupt controllers can then be updated to use the new mechanism. > > I merged this last night, and this says it all... > > Subject: rmk build: 244 warnings 49 failures (rmk/v3.16-rc3-70-gc1ed1df) > > arch/arm/kernel/irq.c:81:3: error: implicit declaration of function > 'irq_find_mapping' [-Werror=implicit-function-declaration] > > So I'm dropping it.
Ouch. Sorry about that. Seems like I only tested this with a config that has CONFIG_IRQ_DOMAIN set. I'll respin in after the merge window. Thanks, M. -- Jazz is not dead. It just smells funny. -- 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/