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| author | attilio <attilio@FreeBSD.org> | 2009-11-03 16:46:52 +0000 |
|---|---|---|
| committer | attilio <attilio@FreeBSD.org> | 2009-11-03 16:46:52 +0000 |
| commit | 1c940ef4f4e225185b488e5cf1498863dfbbcebb (patch) | |
| tree | 33345f6b0c0607c9b4b3c28c1eb1f317c974a310 /sys/kern/kern_idle.c | |
| parent | bd5fd681f2fbbc4a77b04b7586fcd7537c516ded (diff) | |
| download | FreeBSD-src-1c940ef4f4e225185b488e5cf1498863dfbbcebb.zip FreeBSD-src-1c940ef4f4e225185b488e5cf1498863dfbbcebb.tar.gz | |
Split P_NOLOAD into a per-thread flag (TDF_NOLOAD).
This improvements aims for avoiding further cache-misses in scheduler
specific functions which need to keep track of average thread running
time and further locking in places setting for this flag.
Reported by: jeff (originally), kris (currently)
Reviewed by: jhb
Tested by: Giuseppe Cocomazzi <sbudella at email dot it>
Diffstat (limited to 'sys/kern/kern_idle.c')
| -rw-r--r-- | sys/kern/kern_idle.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sys/kern/kern_idle.c b/sys/kern/kern_idle.c index 1d9b302..af12d7d 100644 --- a/sys/kern/kern_idle.c +++ b/sys/kern/kern_idle.c @@ -74,10 +74,9 @@ idle_setup(void *dummy) if (error) panic("idle_setup: kproc_create error %d\n", error); - p->p_flag |= P_NOLOAD; thread_lock(td); TD_SET_CAN_RUN(td); - td->td_flags |= TDF_IDLETD; + td->td_flags |= TDF_IDLETD | TDF_NOLOAD; sched_class(td, PRI_IDLE); sched_prio(td, PRI_MAX_IDLE); thread_unlock(td); |
