Commit-ID: 01436228bfefca77493efa00aa49a8b67167d4c5 Gitweb: http://git.kernel.org/tip/01436228bfefca77493efa00aa49a8b67167d4c5 Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Thu, 21 Mar 2013 22:49:48 +0100 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Mon, 8 Apr 2013 17:39:26 +0200 m32r: Use generic idle loop Replace the private poller. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx> Cc: Paul McKenney <paulmck@xxxxxxxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@xxxxxxxxxxxxxxxxxx> Cc: Magnus Damm <magnus.damm@xxxxxxxxx> Cc: Hirokazu Takata <takata@xxxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/20130321215234.470547189@xxxxxxxxxxxxx Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- arch/m32r/Kconfig | 1 + arch/m32r/kernel/process.c | 18 ------------------ arch/m32r/kernel/smpboot.c | 2 +- 3 files changed, 2 insertions(+), 19 deletions(-) diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index bcd17b2..af814fe 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -13,6 +13,7 @@ config M32R select VIRT_TO_BUS select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW + select GENERIC_IDLE_LOOP select GENERIC_ATOMIC64 select ARCH_USES_GETTIMEOFFSET select MODULES_USE_ELF_RELA diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index bde899e..e2d0490 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -47,24 +47,6 @@ unsigned long thread_saved_pc(struct task_struct *tsk) void (*pm_power_off)(void) = NULL; EXPORT_SYMBOL(pm_power_off); -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ -void cpu_idle (void) -{ - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - cpu_relax(); - rcu_idle_exit(); - schedule_preempt_disabled(); - } -} - void machine_restart(char *__unused) { #if defined(CONFIG_PLAT_MAPPI3) diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index 13168a7..0ac558a 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -432,7 +432,7 @@ int __init start_secondary(void *unused) */ local_flush_tlb_all(); - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html