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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-03-21 22:49:55 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-04-08 17:39:27 +0200 |
| commit | fad48ad63dd14656e3b571d42f700a1f2cadd036 (patch) | |
| tree | 471879298770e07daf712c6914ee749491a334bf /arch | |
| parent | openrisc: Use generic idle loop (diff) | |
| download | linux-fad48ad63dd14656e3b571d42f700a1f2cadd036.tar.xz linux-fad48ad63dd14656e3b571d42f700a1f2cadd036.zip | |
parisc: 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>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Link: http://lkml.kernel.org/r/20130321215234.956305981@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/Kconfig | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/process.c | 22 | ||||
| -rw-r--r-- | arch/parisc/kernel/smp.c | 2 |
3 files changed, 2 insertions, 23 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 0339181bf3ac..0821e702d03f 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -18,6 +18,7 @@ config PARISC select GENERIC_PCI_IOMAP select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_SMP_IDLE_THREAD + select GENERIC_IDLE_LOOP select GENERIC_STRNCPY_FROM_USER select SYSCTL_ARCH_UNALIGN_ALLOW select HAVE_MOD_ARCH_SPECIFIC diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index d13507246c5d..55f92b614182 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -59,28 +59,6 @@ #include <asm/unwind.h> #include <asm/sections.h> -/* - * 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) -{ - set_thread_flag(TIF_POLLING_NRFLAG); - - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - barrier(); - rcu_idle_exit(); - schedule_preempt_disabled(); - check_pgt_cache(); - } -} - - #define COMMAND_GLOBAL F_EXTEND(0xfffe0030) #define CMD_RESET 5 /* reset any module */ diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 6266730efd61..fd1bb1519c2b 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -329,7 +329,7 @@ void __init smp_callin(void) local_irq_enable(); /* Interrupts have been off until now */ - cpu_idle(); /* Wait for timer to schedule some work */ + cpu_startup_entry(CPUHP_ONLINE); /* NOTREACHED */ panic("smp_callin() AAAAaaaaahhhh....\n"); |