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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-03-21 22:49:37 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-04-08 17:39:23 +0200 |
| commit | a123322d8afcfb5f86e0cc0062024084658aeeb2 (patch) | |
| tree | 129e9960ddffde8609bfc1db1e2e38643289783b /arch | |
| parent | fa35e42a00ec0120db2b5128753206efb288e789 (diff) | |
| download | blackbird-op-linux-a123322d8afcfb5f86e0cc0062024084658aeeb2.tar.gz blackbird-op-linux-a123322d8afcfb5f86e0cc0062024084658aeeb2.zip | |
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')
| -rw-r--r-- | arch/alpha/Kconfig | 1 | ||||
| -rw-r--r-- | arch/alpha/kernel/process.c | 19 | ||||
| -rw-r--r-- | arch/alpha/kernel/smp.c | 3 |
3 files changed, 2 insertions, 21 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 8a33ba01301f..60469820a6c5 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 63d27fb9b023..a3fd8a29ccac 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 9603bc234b47..7b60834fb4b2 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. */ |
