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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-22 16:06:58 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-25 18:38:17 +0100 |
| commit | 39854fe8c165872d743f6a0c4860ca2de8e45ac9 (patch) | |
| tree | 1bc791cf9dea4ffb34e85c0064326aa911889255 /kernel/time | |
| parent | time: ntp: simplify ntp_tick_adj calculations (diff) | |
| download | linux-39854fe8c165872d743f6a0c4860ca2de8e45ac9.tar.xz linux-39854fe8c165872d743f6a0c4860ca2de8e45ac9.zip | |
time: ntp: clean up second_overflow()
Impact: cleanup, no functionality changed
The 'time_adj' local variable is named in a very confusing
way because it almost shadows the 'time_adjust' global
variable - which is used in this same function.
Rename it to 'delta' - to make them stand apart more clearly.
kernel/time/ntp.o:
text data bss dec hex filename
2545 114 144 2803 af3 ntp.o.before
2545 114 144 2803 af3 ntp.o.after
md5:
1bf0b3be564512279ba7cee299d1d2be ntp.o.before.asm
1bf0b3be564512279ba7cee299d1d2be ntp.o.after.asm
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/ntp.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index a3fe7ef2d83b..c74eb7d9d854 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -236,7 +236,7 @@ static enum hrtimer_restart ntp_leap_second(struct hrtimer *timer) */ void second_overflow(void) { - s64 time_adj; + s64 delta; /* Bump the maxerror field */ time_maxerror += MAXFREQ / NSEC_PER_USEC; @@ -249,10 +249,11 @@ void second_overflow(void) * Compute the phase adjustment for the next second. The offset is * reduced by a fixed factor times the time constant. */ - tick_length = tick_length_base; - time_adj = shift_right(time_offset, SHIFT_PLL + time_constant); - time_offset -= time_adj; - tick_length += time_adj; + tick_length = tick_length_base; + + delta = shift_right(time_offset, SHIFT_PLL + time_constant); + time_offset -= delta; + tick_length += delta; if (!time_adjust) return; |