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powerpc/time: inline arch_vtime_task_switch()

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arch_vtime_task_switch() is a small function which is called
only from vtime_common_task_switch(), so it is worth inlining

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy
2018-05-29 16:19:14 +00:00
committed by Michael Ellerman
parent 1c38976334
commit 60f1d2893e
2 changed files with 15 additions and 22 deletions
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21
arch/powerpc/kernel/time.c
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@@ -163,12 +163,6 @@ EXPORT_SYMBOL(__cputime_usec_factor);
void (*dtl_consumer)(struct dtl_entry *, u64);
#endif
#ifdef CONFIG_PPC64
#define get_accounting(tsk) (&get_paca()->accounting)
#else
#define get_accounting(tsk) (&task_thread_info(tsk)->accounting)
#endif
static void calc_cputime_factors(void)
{
struct div_result res;
@@ -421,21 +415,6 @@ void vtime_flush(struct task_struct *tsk)
acct->softirq_time = 0;
}
#ifdef CONFIG_PPC32
/*
* Called from the context switch with interrupts disabled, to charge all
* accumulated times to the current process, and to prepare accounting on
* the next process.
*/
void arch_vtime_task_switch(struct task_struct *prev)
{
struct cpu_accounting_data *acct = get_accounting(current);
acct->starttime = get_accounting(prev)->starttime;
acct->startspurr = get_accounting(prev)->startspurr;
}
#endif /* CONFIG_PPC32 */
#else /* ! CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
#define calc_cputime_factors()
#endif