Commit-ID: a123322d8afcfb5f86e0cc0062024084658aeeb2 Gitweb: http://git.kernel.org/tip/a123322d8afcfb5f86e0cc0062024084658aeeb2 Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Thu, 21 Mar 2013 22:49:37 +0100 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Mon, 8 Apr 2013 17:39:23 +0200
alpha: Use generic idle loop The core provides a generic idle poll loop. Signed-off-by: Thomas Gleixner <t...@linutronix.de> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Rusty Russell <ru...@rustcorp.com.au> Cc: Paul McKenney <paul...@linux.vnet.ibm.com> Cc: Peter Zijlstra <pet...@infradead.org> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.b...@linux.vnet.ibm.com> Cc: Magnus Damm <magnus.d...@gmail.com> Cc: Richard Henderson <r...@twiddle.net> Cc: Ivan Kokshaysky <i...@jurassic.park.msu.ru> Cc: Matt Turner <matts...@gmail.com> Link: http://lkml.kernel.org/r/20130321215233.766017...@linutronix.de Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- arch/alpha/Kconfig | 1 + arch/alpha/kernel/process.c | 19 ------------------- arch/alpha/kernel/smp.c | 3 +-- 3 files changed, 2 insertions(+), 21 deletions(-) diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 8a33ba0..6046982 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 63d27fb..a3fd8a2 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 9603bc2..7b60834 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. */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
