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authorThomas Gleixner <tglx@linutronix.de>2013-03-21 22:49:55 +0100
committerThomas Gleixner <tglx@linutronix.de>2013-04-08 17:39:27 +0200
commitfad48ad63dd14656e3b571d42f700a1f2cadd036 (patch)
tree471879298770e07daf712c6914ee749491a334bf /arch/parisc
parent6862c05ce4bc59ac52165df66f2a55ad692ef941 (diff)
downloadlinux-fad48ad63dd14656e3b571d42f700a1f2cadd036.tar.gz
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/parisc')
-rw-r--r--arch/parisc/Kconfig1
-rw-r--r--arch/parisc/kernel/process.c22
-rw-r--r--arch/parisc/kernel/smp.c2
3 files changed, 2 insertions, 23 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 0339181bf3a..0821e702d03 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 d13507246c5..55f92b61418 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 6266730efd6..fd1bb1519c2 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");