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powerpc: Add NAP mode support on Power7 in HV mode

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Wakeup comes from the system reset handler with a potential loss of
the non-hypervisor CPU state. We save the non-volatile state on the
stack and a pointer to it in the PACA, which the system reset handler
uses to restore things

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2011-01-24 18:42:41 +11:00
parent 9d07bc841c
commit 948cf67c47
7 changed files with 139 additions and 2 deletions
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1
arch/powerpc/include/asm/machdep.h
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@ -267,6 +267,7 @@ struct machdep_calls {
extern void e500_idle(void);
extern void power4_idle(void);
extern void power7_idle(void);
extern void ppc6xx_idle(void);
extern void book3e_idle(void);