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authorChristophe Leroy <christophe.leroy@c-s.fr>2018-05-29 16:19:14 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2018-06-04 00:39:20 +1000
commit60f1d2893ee6de65cdea609c84950b133e76a769 (patch)
tree2df14a87991219868fe6b5f62276733ef707c3d7 /arch
parent1c38976334c0efce1b285369a6037f205e196299 (diff)
downloadlinux-0-day-60f1d2893ee6de65cdea609c84950b133e76a769.tar.gz
linux-0-day-60f1d2893ee6de65cdea609c84950b133e76a769.tar.xz
powerpc/time: inline arch_vtime_task_switch()
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/cputime.h16
-rw-r--r--arch/powerpc/kernel/time.c21
2 files changed, 15 insertions, 22 deletions
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
index 99b541865d8dd..bc4903badb3ff 100644
--- a/arch/powerpc/include/asm/cputime.h
+++ b/arch/powerpc/include/asm/cputime.h
@@ -47,9 +47,23 @@ static inline unsigned long cputime_to_usecs(const cputime_t ct)
* has to be populated in the new task
*/
#ifdef CONFIG_PPC64
+#define get_accounting(tsk) (&get_paca()->accounting)
static inline void arch_vtime_task_switch(struct task_struct *tsk) { }
#else
-void arch_vtime_task_switch(struct task_struct *tsk);
+#define get_accounting(tsk) (&task_thread_info(tsk)->accounting)
+/*
+ * 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.
+ */
+static inline void arch_vtime_task_switch(struct task_struct *prev)
+{
+ struct cpu_accounting_data *acct = get_accounting(current);
+ struct cpu_accounting_data *acct0 = get_accounting(prev);
+
+ acct->starttime = acct0->starttime;
+ acct->startspurr = acct0->startspurr;
+}
#endif
#endif /* __KERNEL__ */
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 2530cf60b8392..70f145e024877 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -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