This simplifies ktime_compare, ktime_after and ktime_before to be defines. ktime_compare verified on x86_64 machine, gives a code 4 asm instruction less compared to the previous solution. Time measured is up to 2 times less.
Signed-off-by: Mariusz Skamra <[email protected]> Acked-by: Kuppuswamy Sathyanarayanan <[email protected]> --- include/linux/ktime.h | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/include/linux/ktime.h b/include/linux/ktime.h index 0c8bd45..3f3dfcd 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h @@ -106,14 +106,7 @@ static inline ktime_t timeval_to_ktime(struct timeval tv) * cmp1 == cmp2: return 0 * cmp1 > cmp2: return >0 */ -static inline int ktime_compare(const ktime_t cmp1, const ktime_t cmp2) -{ - if (cmp1 < cmp2) - return -1; - if (cmp1 > cmp2) - return 1; - return 0; -} +#define ktime_compare(cmp1, cmp2) ktime_sub(cmp1, cmp2) /** * ktime_after - Compare if a ktime_t value is bigger than another one. @@ -122,10 +115,7 @@ static inline int ktime_compare(const ktime_t cmp1, const ktime_t cmp2) * * Return: true if cmp1 happened after cmp2. */ -static inline bool ktime_after(const ktime_t cmp1, const ktime_t cmp2) -{ - return ktime_compare(cmp1, cmp2) > 0; -} +#define ktime_after(cmp1, cmp2) (ktime_compare(cmp1, cmp2) > 0) /** * ktime_before - Compare if a ktime_t value is smaller than another one. @@ -134,10 +124,7 @@ static inline bool ktime_after(const ktime_t cmp1, const ktime_t cmp2) * * Return: true if cmp1 happened before cmp2. */ -static inline bool ktime_before(const ktime_t cmp1, const ktime_t cmp2) -{ - return ktime_compare(cmp1, cmp2) < 0; -} +#define ktime_before(cmp1, cmp2) (ktime_compare(cmp1, cmp2) < 0) #if BITS_PER_LONG < 64 extern s64 __ktime_divns(const ktime_t kt, s64 div); -- 2.1.4 -------------------------------------------------------------------- Intel Technology Poland sp. z o.o. ul. Slowackiego 173 | 80-298 Gdansk | Sad Rejonowy Gdansk Polnoc | VII Wydzial Gospodarczy Krajowego Rejestru Sadowego - KRS 101882 | NIP 957-07-52-316 | Kapital zakladowy 200.000 PLN. Ta wiadomosc wraz z zalacznikami jest przeznaczona dla okreslonego adresata i moze zawierac informacje poufne. W razie przypadkowego otrzymania tej wiadomosci, prosimy o powiadomienie nadawcy oraz trwale jej usuniecie; jakiekolwiek przegladanie lub rozpowszechnianie jest zabronione. This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). If you are not the intended recipient, please contact the sender and delete all copies; any review or distribution by others is strictly prohibited.
