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[POWERPC] Fix stolen time for SMT without LPAR

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For POWERPC, stolen time accounts for cycles lost to the hypervisor or
PURR cycles attributed to the other SMT thread.  Hence, when a PURR is
available, we should still calculate stolen time, irrespective of being
virtualised.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Neuling
2007-06-08 13:18:50 +10:00
committed by Paul Mackerras
parent bb807e69c9
commit 4cefebb1b4
2 changed files with 2 additions and 2 deletions
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2
arch/powerpc/kernel/time.c
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@@ -214,7 +214,6 @@ static void account_process_time(struct pt_regs *regs)
run_posix_cpu_timers(current); run_posix_cpu_timers(current);
} }
#ifdef CONFIG_PPC_SPLPAR
/* /*
* Stuff for accounting stolen time. * Stuff for accounting stolen time.
*/ */
@@ -279,6 +278,7 @@ void calculate_steal_time(void)
pme->purr = purr; pme->purr = purr;
} }
#ifdef CONFIG_PPC_SPLPAR
/* /*
* Must be called before the cpu is added to the online map when * Must be called before the cpu is added to the online map when
* a cpu is being brought up at runtime. * a cpu is being brought up at runtime.

2
include/asm-powerpc/time.h
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@@ -232,7 +232,7 @@ extern void account_process_vtime(struct task_struct *tsk);
#define account_process_vtime(tsk) do { } while (0) #define account_process_vtime(tsk) do { } while (0)
#endif #endif
#if defined(CONFIG_VIRT_CPU_ACCOUNTING) && defined(CONFIG_PPC_SPLPAR) #if defined(CONFIG_VIRT_CPU_ACCOUNTING)
extern void calculate_steal_time(void); extern void calculate_steal_time(void);
extern void snapshot_timebases(void); extern void snapshot_timebases(void);
#else #else