Differential D19760 Diff 55615 sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c

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state->dts_buffer = kmem_zalloc(bufsize, KM_SLEEP);		state->dts_buffer = kmem_zalloc(bufsize, KM_SLEEP);
state->dts_aggbuffer = kmem_zalloc(bufsize, KM_SLEEP);		state->dts_aggbuffer = kmem_zalloc(bufsize, KM_SLEEP);

/*		/*
* Allocate and initialise the per-process per-CPU random state.		* Allocate and initialise the per-process per-CPU random state.
* SI_SUB_RANDOM < SI_SUB_DTRACE_ANON therefore entropy device is		* SI_SUB_RANDOM < SI_SUB_DTRACE_ANON therefore entropy device is
* assumed to be seeded at this point (if from Fortuna seed file).		* assumed to be seeded at this point (if from Fortuna seed file).
*/		*/
(void) read_random(&state->dts_rstate[0], 2 * sizeof(uint64_t));		arc4random_buf(&state->dts_rstate[0], 2 * sizeof(uint64_t));
for (cpu_it = 1; cpu_it < NCPU; cpu_it++) {		for (cpu_it = 1; cpu_it < NCPU; cpu_it++) {
/*		/*
* Each CPU is assigned a 2^64 period, non-overlapping		* Each CPU is assigned a 2^64 period, non-overlapping
* subsequence.		* subsequence.
*/		*/
dtrace_xoroshiro128_plus_jump(state->dts_rstate[cpu_it-1],		dtrace_xoroshiro128_plus_jump(state->dts_rstate[cpu_it-1],
state->dts_rstate[cpu_it]);		state->dts_rstate[cpu_it]);
}		}
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