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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-03-21 22:49:46 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-04-08 17:39:25 +0200 |
| commit | 4e0fcc567239ef4b3f80bba778c30b0a4b624eff (patch) | |
| tree | 9e1f410b32c6934eb5643bb669553f097af9de45 /arch/hexagon | |
| parent | 0d24260c9e27fc1de20c72669bcc387767a1c170 (diff) | |
| download | blackbird-op-linux-4e0fcc567239ef4b3f80bba778c30b0a4b624eff.tar.gz blackbird-op-linux-4e0fcc567239ef4b3f80bba778c30b0a4b624eff.zip | |
hexagon: Use generic idle 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>
Acked-by: Richard Kuo <rkuo@codeaurora.org>
Link: http://lkml.kernel.org/r/20130321215234.338692935@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/hexagon')
| -rw-r--r-- | arch/hexagon/Kconfig | 1 | ||||
| -rw-r--r-- | arch/hexagon/kernel/process.c | 23 | ||||
| -rw-r--r-- | arch/hexagon/kernel/smp.c | 2 |
3 files changed, 5 insertions, 21 deletions
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig index e4decc6b8947..6e3710e84a6c 100644 --- a/arch/hexagon/Kconfig +++ b/arch/hexagon/Kconfig @@ -24,6 +24,7 @@ config HEXAGON select NO_IOPORT select GENERIC_IOMAP select GENERIC_SMP_IDLE_THREAD + select GENERIC_IDLE_LOOP select STACKTRACE_SUPPORT select KTIME_SCALAR select GENERIC_CLOCKEVENTS diff --git a/arch/hexagon/kernel/process.c b/arch/hexagon/kernel/process.c index 06ae9ffcabd5..9b948c619a03 100644 --- a/arch/hexagon/kernel/process.c +++ b/arch/hexagon/kernel/process.c @@ -51,28 +51,11 @@ void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp) * If hardware or VM offer wait termination even though interrupts * are disabled. */ -static void default_idle(void) +void arch_cpu_idle(void) { __vmwait(); -} - -void (*idle_sleep)(void) = default_idle; - -void cpu_idle(void) -{ - while (1) { - tick_nohz_idle_enter(); - local_irq_disable(); - while (!need_resched()) { - idle_sleep(); - /* interrupts wake us up, but aren't serviced */ - local_irq_enable(); /* service interrupt */ - local_irq_disable(); - } - local_irq_enable(); - tick_nohz_idle_exit(); - schedule(); - } + /* interrupts wake us up, but irqs are still disabled */ + local_irq_enable(); } /* diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c index 8e095dffd070..0e364ca43198 100644 --- a/arch/hexagon/kernel/smp.c +++ b/arch/hexagon/kernel/smp.c @@ -184,7 +184,7 @@ void __cpuinit start_secondary(void) local_irq_enable(); - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); } |
