drivers/acpi/processor.ko uses rcu_idle_enter()/_exit() but they are not exported. This causes build errors on IA64, so export those 2 functions.
ERROR: modpost: "rcu_idle_enter" [drivers/acpi/processor.ko] undefined! ERROR: modpost: "rcu_idle_exit" [drivers/acpi/processor.ko] undefined! Reported-by: kernel test robot <[email protected]> Signed-off-by: Randy Dunlap <[email protected]> Cc: Rafael J. Wysocki <[email protected]> Cc: [email protected] Cc: Peter Zijlstra <[email protected]> Cc: Tony Luck <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: [email protected] Cc: "Paul E. McKenney" <[email protected]> Cc: Josh Triplett <[email protected]> Cc: [email protected] --- Is there a problem with exporting these functions for use by loadable modules? If so, this driver should be modified not to use rcu_idle_enter/exit. kernel/rcu/tree.c | 2 ++ 1 file changed, 2 insertions(+) --- lnx-59-rc6.orig/kernel/rcu/tree.c +++ lnx-59-rc6/kernel/rcu/tree.c @@ -673,6 +673,7 @@ void rcu_idle_enter(void) lockdep_assert_irqs_disabled(); rcu_eqs_enter(false); } +EXPORT_SYMBOL_GPL(rcu_idle_enter); #ifdef CONFIG_NO_HZ_FULL /** @@ -886,6 +887,7 @@ void rcu_idle_exit(void) rcu_eqs_exit(false); local_irq_restore(flags); } +EXPORT_SYMBOL_GPL(rcu_idle_exit); #ifdef CONFIG_NO_HZ_FULL /**
