Messages in this thread Patch in this message | | | From | Mark Salyzyn <> | Subject | [PATCH v2 4/10] arm: vdso: enforce monotonic and realtime as inline | Date | Thu, 12 Oct 2017 15:59:52 -0700 |
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Ensure monotonic and realtime are inline, small price to pay for high volume common request.
Signed-off-by: Mark Salyzyn <salyzyn@android.com>
v2: split first CL into 4 of 7 pieces --- arch/arm/vdso/vgettimeofday.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/arm/vdso/vgettimeofday.c b/arch/arm/vdso/vgettimeofday.c index 5f596911bd53..71003a1997c4 100644 --- a/arch/arm/vdso/vgettimeofday.c +++ b/arch/arm/vdso/vgettimeofday.c @@ -99,7 +99,7 @@ static notrace int do_monotonic_coarse(const struct vdso_data *vd, #ifdef CONFIG_ARM_ARCH_TIMER -static notrace u64 get_ns(const struct vdso_data *vd) +static __always_inline notrace u64 get_ns(const struct vdso_data *vd) { u64 cycle_delta; u64 cycle_now; @@ -115,7 +115,9 @@ static notrace u64 get_ns(const struct vdso_data *vd) return nsec; } -static notrace int do_realtime(const struct vdso_data *vd, struct timespec *ts) +/* Code size doesn't matter (vdso is 4k/16k/64k anyway) and this is faster. */ +static __always_inline notrace int do_realtime(const struct vdso_data *vd, + struct timespec *ts) { u64 nsecs; u32 seq; @@ -137,7 +139,8 @@ static notrace int do_realtime(const struct vdso_data *vd, struct timespec *ts) return 0; } -static notrace int do_monotonic(const struct vdso_data *vd, struct timespec *ts) +static __always_inline notrace int do_monotonic(const struct vdso_data *vd, + struct timespec *ts) { struct timespec tomono; u64 nsecs; -- 2.15.0.rc0.271.g36b669edcc-goog
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