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Load the current timecounter into tc. The timecounter global can change

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at any time and we do not want to call one timercounter's function with
another timecounter's structural pointer.

MFC after:	3 days
This commit is contained in:
Matthew Dillon 2002-02-18 19:49:30 +00:00
parent 978d3bfe9c
commit 3e1ce344ba
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=90867
1 changed files with 2 additions and 1 deletions
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3
sys/kern/kern_random.c
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@ -199,8 +199,9 @@ add_timer_randomness(struct random_bucket *r, struct timer_rand_state *state,
int delta, delta2;
u_int nbits;
u_int32_t time;
struct timecounter *tc = timecounter; /* can change at any time */
num ^= timecounter->tc_get_timecount(timecounter) << 16;
num ^= tc->tc_get_timecount(tc) << 16;
r->entropy_count += 2;
time = ticks;