Commit-ID: fee84c43e6afc42295ae8058cbbef9ea5633926c Gitweb: http://git.kernel.org/tip/fee84c43e6afc42295ae8058cbbef9ea5633926c Author: John Stultz <[email protected]> AuthorDate: Fri, 13 Jul 2012 01:21:52 -0400 Committer: Thomas Gleixner <[email protected]> CommitDate: Sun, 15 Jul 2012 10:39:05 +0200
time: Explicitly use u32 instead of int for shift values Ingo noted that using a u32 instead of int for shift values would be better to make sure the compiler doesn't unnecessarily use complex signed arithmetic. Signed-off-by: John Stultz <[email protected]> Reviewed-by: Ingo Molnar <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Richard Cochran <[email protected]> Cc: Prarit Bhargava <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- kernel/time/timekeeping.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index c2f12aa..4fd83df 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -28,7 +28,7 @@ struct timekeeper { /* NTP adjusted clock multiplier */ u32 mult; /* The shift value of the current clocksource. */ - int shift; + u32 shift; /* Number of clock cycles in one NTP interval. */ cycle_t cycle_interval; /* Number of clock shifted nano seconds in one NTP interval. */ @@ -45,7 +45,7 @@ struct timekeeper { s64 ntp_error; /* Shift conversion between clock shifted nano seconds and * ntp shifted nano seconds. */ - int ntp_error_shift; + u32 ntp_error_shift; /* The current time */ struct timespec xtime; @@ -960,7 +960,7 @@ static void timekeeping_adjust(s64 offset) * * Returns the unconsumed cycles. */ -static cycle_t logarithmic_accumulation(cycle_t offset, int shift) +static cycle_t logarithmic_accumulation(cycle_t offset, u32 shift) { u64 nsecps = (u64)NSEC_PER_SEC << timekeeper.shift; u64 raw_nsecs; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
