The core provides a generic idle poll loop. Signed-off-by: Thomas Gleixner Cc: Richard Henderson Cc: Ivan Kokshaysky Cc: Matt Turner --- arch/alpha/Kconfig | 1 + arch/alpha/kernel/process.c | 19 ------------------- arch/alpha/kernel/smp.c | 3 +-- 3 files changed, 2 insertions(+), 21 deletions(-) Index: linux-2.6/arch/alpha/Kconfig =================================================================== --- linux-2.6.orig/arch/alpha/Kconfig +++ linux-2.6/arch/alpha/Kconfig @@ -17,6 +17,7 @@ config ALPHA select ARCH_WANT_IPC_PARSE_VERSION select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_SMP_IDLE_THREAD + select GENERIC_IDLE_LOOP select GENERIC_CMOS_UPDATE select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER Index: linux-2.6/arch/alpha/kernel/process.c =================================================================== --- linux-2.6.orig/arch/alpha/kernel/process.c +++ linux-2.6/arch/alpha/kernel/process.c @@ -46,25 +46,6 @@ void (*pm_power_off)(void) = machine_power_off; EXPORT_SYMBOL(pm_power_off); -void -cpu_idle(void) -{ - current_thread_info()->status |= TS_POLLING; - - while (1) { - /* FIXME -- EV6 and LCA45 know how to power down - the CPU. */ - - rcu_idle_enter(); - while (!need_resched()) - cpu_relax(); - - rcu_idle_exit(); - schedule_preempt_disabled(); - } -} - - struct halt_info { int mode; char *restart_cmd; Index: linux-2.6/arch/alpha/kernel/smp.c =================================================================== --- linux-2.6.orig/arch/alpha/kernel/smp.c +++ linux-2.6/arch/alpha/kernel/smp.c @@ -167,8 +167,7 @@ smp_callin(void) cpuid, current, current->active_mm)); preempt_disable(); - /* Do nothing. */ - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); } /* Wait until hwrpb->txrdy is clear for cpu. Return -1 on timeout. */