diff options
| -rw-r--r-- | arch/arm/include/asm/sched_clock.h | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/sched_clock.c | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h index e3f757263438..3d520ddca61b 100644 --- a/arch/arm/include/asm/sched_clock.h +++ b/arch/arm/include/asm/sched_clock.h @@ -11,4 +11,6 @@ extern void sched_clock_postinit(void); extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate); +extern unsigned long long (*sched_clock_func)(void); + #endif diff --git a/arch/arm/kernel/sched_clock.c b/arch/arm/kernel/sched_clock.c index 040168e8a60d..880584852fca 100644 --- a/arch/arm/kernel/sched_clock.c +++ b/arch/arm/kernel/sched_clock.c @@ -165,12 +165,19 @@ void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate) pr_debug("Registered %pF as sched_clock source\n", read); } -unsigned long long notrace sched_clock(void) +static unsigned long long notrace sched_clock_32(void) { u32 cyc = read_sched_clock(); return cyc_to_sched_clock(cyc, sched_clock_mask); } +unsigned long long __read_mostly (*sched_clock_func)(void) = sched_clock_32; + +unsigned long long notrace sched_clock(void) +{ + return sched_clock_func(); +} + void __init sched_clock_postinit(void) { /* |