| Message ID | 2bf9735a6ae5ff9b350b667c0b8434cf2bbe9b50.1579196675.git.christophe.leroy@c-s.fr (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Paul Burton |
| Headers | show |
| Series | powerpc: switch VDSO to C implementation. | expand |
diff --git a/arch/powerpc/include/asm/vdso/gettimeofday.h b/arch/powerpc/include/asm/vdso/gettimeofday.h index 0a247f9b9af9..74b6eef8fbe9 100644 --- a/arch/powerpc/include/asm/vdso/gettimeofday.h +++ b/arch/powerpc/include/asm/vdso/gettimeofday.h @@ -74,6 +74,12 @@ static __always_inline u64 __arch_get_hw_counter(s32 clock_mode) const struct vdso_data *__arch_get_vdso_data(void); +static inline bool __arch_vdso_capable(const struct vdso_data *vd) +{ + return !__USE_RTC(); +} +#define __arch_vdso_capable __arch_vdso_capable + /* * powerpc specific delta calculation. *
When the timebase is used, make __arch_vdso_capable() always return true. When the RTC clock is used, make __arch_vdso_capable() always return false. Before the patch: clock-gettime-realtime: vdso: 1086 nsec/call After the patch: clock-gettime-realtime: vdso: 1033 nsec/call Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- arch/powerpc/include/asm/vdso/gettimeofday.h | 6 ++++++ 1 file changed, 6 insertions(+)