Commit-ID: dfa174dcf841d0665065dedec2bc133227da56ef Gitweb: http://git.kernel.org/tip/dfa174dcf841d0665065dedec2bc133227da56ef Author: Thomas Gleixner <[email protected]> AuthorDate: Thu, 21 Mar 2013 22:49:49 +0100 Committer: Thomas Gleixner <[email protected]> CommitDate: Mon, 8 Apr 2013 17:39:26 +0200
m68k: Use generic idle loop Signed-off-by: Thomas Gleixner <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Rusty Russell <[email protected]> Cc: Paul McKenney <[email protected]> Cc: Peter Zijlstra <[email protected]> Reviewed-by: Cc: Srivatsa S. Bhat <[email protected]> Cc: Magnus Damm <[email protected]> Cc: Geert Uytterhoeven <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- arch/m68k/Kconfig | 1 + arch/m68k/kernel/process.c | 32 ++++---------------------------- 2 files changed, 5 insertions(+), 28 deletions(-) diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 6de8133..41859405 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -6,6 +6,7 @@ config M68K select HAVE_DEBUG_BUGVERBOSE select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_SHOW + select GENERIC_IDLE_LOOP select GENERIC_ATOMIC64 select HAVE_UID16 select VIRT_TO_BUS diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index d538694..c55ff71 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -51,40 +51,16 @@ unsigned long thread_saved_pc(struct task_struct *tsk) return sw->retpc; } -/* - * The idle loop on an m68k.. - */ -static void default_idle(void) +void arch_cpu_idle(void) { - if (!need_resched()) #if defined(MACH_ATARI_ONLY) - /* block out HSYNC on the atari (falcon) */ - __asm__("stop #0x2200" : : : "cc"); + /* block out HSYNC on the atari (falcon) */ + __asm__("stop #0x2200" : : : "cc"); #else - __asm__("stop #0x2000" : : : "cc"); + __asm__("stop #0x2000" : : : "cc"); #endif } -void (*idle)(void) = default_idle; - -/* - * 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()) - idle(); - rcu_idle_exit(); - schedule_preempt_disabled(); - } -} - void machine_restart(char * __unused) { if (mach_reset) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
