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The th_bintime, th_microtime and th_nanotime members of the timehand

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all cache the last system time (uptime + boottime).  Only the format
differs.  Do not re-calculate the bintime and simply use the value
used to calculate the microtime and nanotime.

Group all the updates under the relevant comment.  Remove obsoleted
XXX part.

Submitted by:	Sebastian Huber <sebastian.huber@embedded-brains.de>
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2017-10-11 11:03:11 +00:00
parent 2832cbe7d2
commit 70e3b262d1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=324528
1 changed files with 1 additions and 3 deletions
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4
sys/kern/kern_tc.c
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@ -1413,10 +1413,8 @@ tc_windup(struct bintime *new_boottimebin)
if (bt.sec != t)
th->th_boottime.sec += bt.sec - t;
}
th->th_bintime = th->th_offset;
bintime_add(&th->th_bintime, &th->th_boottime);
/* Update the UTC timestamps used by the get*() functions. */
/* XXX shouldn't do this here. Should force non-`get' versions. */
th->th_bintime = bt;
bintime2timeval(&bt, &th->th_microtime);
bintime2timespec(&bt, &th->th_nanotime);