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authorThomas Gleixner <tglx@linutronix.de>2013-03-21 22:49:37 +0100
committerThomas Gleixner <tglx@linutronix.de>2013-04-08 17:39:23 +0200
commita123322d8afcfb5f86e0cc0062024084658aeeb2 (patch)
tree129e9960ddffde8609bfc1db1e2e38643289783b /arch/alpha
parentfa35e42a00ec0120db2b5128753206efb288e789 (diff)
downloadlinux-a123322d8afcfb5f86e0cc0062024084658aeeb2.tar.gz
alpha: Use generic idle loop
The core provides a generic idle poll loop. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Link: http://lkml.kernel.org/r/20130321215233.766017538@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/alpha')
-rw-r--r--arch/alpha/Kconfig1
-rw-r--r--arch/alpha/kernel/process.c19
-rw-r--r--arch/alpha/kernel/smp.c3
3 files changed, 2 insertions, 21 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 8a33ba01301..60469820a6c 100644
--- a/arch/alpha/Kconfig
+++ b/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
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 63d27fb9b02..a3fd8a29cca 100644
--- a/arch/alpha/kernel/process.c
+++ b/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;
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 9603bc234b4..7b60834fb4b 100644
--- a/arch/alpha/kernel/smp.c
+++ b/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. */