Commit-ID: fad48ad63dd14656e3b571d42f700a1f2cadd036
Gitweb: http://git.kernel.org/tip/fad48ad63dd14656e3b571d42f700a1f2cadd036
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 21 Mar 2013 22:49:55 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 8 Apr 2013 17:39:27 +0200
parisc: Use generic idle loop
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: James E.J. Bottomley <jejb@xxxxxxxxxxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Link: http://lkml.kernel.org/r/20130321215234.956305981@xxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/parisc/Kconfig | 1 +
arch/parisc/kernel/process.c | 22 ----------------------
arch/parisc/kernel/smp.c | 2 +-
3 files changed, 2 insertions(+), 23 deletions(-)
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 0339181..0821e70 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 d135072..55f92b6 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 6266730..fd1bb15 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");
--
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