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nd6: Mark several callouts as MPSAFE

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The use of Giant here is vestigal and does not provide any useful
synchronization.  Furthermore, non-MPSAFE callouts can cause the
softclock threads to block waiting for long-running newbus operations to
complete.

Reported by:	mav
Reviewed by:	bz
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D31470
This commit is contained in:
Mark Johnston 2021-08-09 13:21:43 -04:00
parent 8ee0826f75
commit 663428ea17
2 changed files with 3 additions and 3 deletions
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2
sys/netinet6/in6_ifattach.c
View File

@ -889,7 +889,7 @@ in6_ifattach_init(void *dummy)
{
/* Timer for regeneranation of temporary addresses randomize ID. */
callout_init(&V_in6_tmpaddrtimer_ch, 0);
callout_init(&V_in6_tmpaddrtimer_ch, 1);
callout_reset(&V_in6_tmpaddrtimer_ch,
(V_ip6_temp_preferred_lifetime - V_ip6_desync_factor -
V_ip6_temp_regen_advance) * hz,

4
sys/netinet6/nd6.c
View File

@ -225,11 +225,11 @@ nd6_init(void)
nd6_defrouter_init();
/* Start timers. */
callout_init(&V_nd6_slowtimo_ch, 0);
callout_init(&V_nd6_slowtimo_ch, 1);
callout_reset(&V_nd6_slowtimo_ch, ND6_SLOWTIMER_INTERVAL * hz,
nd6_slowtimo, curvnet);
callout_init(&V_nd6_timer_ch, 0);
callout_init(&V_nd6_timer_ch, 1);
callout_reset(&V_nd6_timer_ch, hz, nd6_timer, curvnet);
nd6_dad_init();