On 03.01.2019 12:08, Marc Zyngier wrote: > Hi Stephan, > > On 29/12/2018 14:14, Stefan Agner wrote: >> Compiling with section mismatch debugging enabled prints the >> following warning: >> WARNING: vmlinux.o(.text+0xffa1b8): Section mismatch in reference from >> the function gic_smp_init() to the function .init.text:set_smp_cross_call() >> >> Avoid this warning by adding __init to gic_smp_init(). While add it, >> also add it where appropriate. >> >> Signed-off-by: Stefan Agner <[email protected]> >> --- >> drivers/irqchip/irq-gic-v3.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c >> index 0868a9d81c3c..3b33c94041e5 100644 >> --- a/drivers/irqchip/irq-gic-v3.c >> +++ b/drivers/irqchip/irq-gic-v3.c >> @@ -768,7 +768,7 @@ static void gic_raise_softirq(const struct cpumask >> *mask, unsigned int irq) >> isb(); >> } >> >> -static void gic_smp_init(void) >> +static void __init gic_smp_init(void) >> { >> set_smp_cross_call(gic_raise_softirq); >> cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_GIC_STARTING, >> @@ -848,7 +848,7 @@ static struct notifier_block gic_cpu_pm_notifier_block = >> { >> .notifier_call = gic_cpu_pm_notifier, >> }; >> >> -static void gic_cpu_pm_init(void) >> +static void __init gic_cpu_pm_init(void) >> { >> cpu_pm_register_notifier(&gic_cpu_pm_notifier_block); >> } >> > > Interesting. I don't see this warning at all. How do you trigger this?
I noticed that it suddenly disappeared again too. I used some crazy configurations while doing tests with LLVM/Clang, I think it was with allyesconfig. -- Stefan > > Thanks, > > M.

