FreeBSD Bugzilla – Attachment 157248 Details for
Bug 200493
Killing pid 11 (idle) wedges the disk IO
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[patch]
Do not bump idle thread priority
1.patch (text/plain), 883 bytes, created by
Konstantin Belousov
on 2015-05-29 10:01:34 UTC
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Description:
Do not bump idle thread priority
Filename:
MIME Type:
Creator:
Konstantin Belousov
Created:
2015-05-29 10:01:34 UTC
Size:
883 bytes
patch
obsolete
>diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c >index b30e1ed..f5d12e6 100644 >--- a/sys/kern/kern_sig.c >+++ b/sys/kern/kern_sig.c >@@ -2370,7 +2370,8 @@ tdsigwakeup(struct thread *td, int sig, sig_t action, int intrval) > * Bring the priority of a thread up if we want it to get > * killed in this lifetime. > */ >- if (action == SIG_DFL && (prop & SA_KILL) && td->td_priority > PUSER) >+ if (action == SIG_DFL && (prop & SA_KILL) != 0 && >+ td->td_priority > PUSER && !TD_IS_IDLETHREAD(td)) > sched_prio(td, PUSER); > if (TD_ON_SLEEPQ(td)) { > /* >@@ -2408,7 +2409,7 @@ tdsigwakeup(struct thread *td, int sig, sig_t action, int intrval) > /* > * Give low priority threads a better chance to run. > */ >- if (td->td_priority > PUSER) >+ if (td->td_priority > PUSER && !TD_IS_IDLETHREAD(td)) > sched_prio(td, PUSER); > > wakeup_swapper = sleepq_abort(td, intrval);
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