diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-03-20 10:11:28 +0100 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2018-06-18 18:52:06 +0200 |
| commit | 57f7cbb29567785176ecc81b2c91d635dcf8b39d (patch) | |
| tree | bc10a423fae3bfcf043a3c46c1e1bd16c50a3338 | |
| parent | 5320c8e3bbd5ae53426013678194325453087634 (diff) | |
jiffies: Introduce USER_TICK_USEC and redefine TICK_USEC
Since the subsequent changes will need a TICK_USEC definition
analogous to TICK_NSEC, rename the existing TICK_USEC as
USER_TICK_USEC, update its users and redefine TICK_USEC
accordingly.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
| -rw-r--r-- | drivers/net/ethernet/sfc/mcdi.c | 2 | ||||
| -rw-r--r-- | include/linux/jiffies.h | 7 | ||||
| -rw-r--r-- | kernel/time/ntp.c | 2 |
3 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index 3df872f56289..37026473cf6d 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -376,7 +376,7 @@ static int efx_mcdi_poll(struct efx_nic *efx) * because generally mcdi responses are fast. After that, back off * and poll once a jiffy (approximately) */ - spins = TICK_USEC; + spins = USER_TICK_USEC; finish = jiffies + MCDI_RPC_TIMEOUT; while (1) { diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 9385aa57497b..a27cf6652327 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -62,8 +62,11 @@ extern int register_refined_jiffies(long clock_tick_rate); /* TICK_NSEC is the time between ticks in nsec assuming SHIFTED_HZ */ #define TICK_NSEC ((NSEC_PER_SEC+HZ/2)/HZ) -/* TICK_USEC is the time between ticks in usec assuming fake USER_HZ */ -#define TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ) +/* TICK_USEC is the time between ticks in usec assuming SHIFTED_HZ */ +#define TICK_USEC ((USEC_PER_SEC + HZ/2) / HZ) + +/* USER_TICK_USEC is the time between ticks in usec assuming fake USER_HZ */ +#define USER_TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ) #ifndef __jiffy_arch_data #define __jiffy_arch_data diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 99e03bec68e4..9de770228cb0 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -31,7 +31,7 @@ /* USER_HZ period (usecs): */ -unsigned long tick_usec = TICK_USEC; +unsigned long tick_usec = USER_TICK_USEC; /* SHIFTED_HZ period (nsecs): */ unsigned long tick_nsec; |