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sparc: Use generic idle loop

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Add generic cpu_idle support

sparc32:
- replace call to cpu_idle() with cpu_startup_entry()
- add arch_cpu_idle()

sparc64:
- smp_callin() now include cpu_startup_entry() call so we can
  skip calling cpu_idle from assembler
- add arch_cpu_idle() and arch_cpu_idle_dead()

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Cc: torvalds@linux-foundation.org
Cc: rusty@rustcorp.com.au
Cc: paulmck@linux.vnet.ibm.com
Cc: peterz@infradead.org
Cc: magnus.damm@gmail.com
Acked-by: David Miller <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20130411193850.GA2330@merkur.ravnborg.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Sam Ravnborg
2013-04-11 21:38:50 +02:00
committed by Thomas Gleixner
parent 781b0e870c
commit 87fa05aeb3
7 changed files with 24 additions and 57 deletions
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3
arch/sparc/kernel/hvtramp.S
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@@ -128,8 +128,7 @@ hv_cpu_startup:
call smp_callin
nop
call cpu_idle
mov 0, %o0
call cpu_panic
nop