git: c8d02c3763b9 - stable/14 - ithread: Annotate a branch in ithread_execute_handlers()
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Date: Thu, 15 Aug 2024 14:29:59 UTC
The branch stable/14 has been updated by markj:
URL: https://cgit.FreeBSD.org/src/commit/?id=c8d02c3763b9c19c5829741336ff84f97819a143
commit c8d02c3763b9c19c5829741336ff84f97819a143
Author: Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2024-07-30 14:36:35 +0000
Commit: Mark Johnston <markj@FreeBSD.org>
CommitDate: 2024-08-15 14:29:49 +0000
ithread: Annotate a branch in ithread_execute_handlers()
No functional change intended.
Reviewed by: kib, jhb
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D45491
(cherry picked from commit c122d7ffad5efb31e1aa5035cb1a26ad2e479074)
---
sys/kern/kern_intr.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sys/kern/kern_intr.c b/sys/kern/kern_intr.c
index 6869d9112ea9..2e8ed6c5ece9 100644
--- a/sys/kern/kern_intr.c
+++ b/sys/kern/kern_intr.c
@@ -1203,8 +1203,9 @@ ithread_execute_handlers(struct proc *p, struct intr_event *ie)
* number of back to back interrupts exceeds the storm threshold,
* then enter storming mode.
*/
- if (intr_storm_threshold != 0 && ie->ie_count >= intr_storm_threshold &&
- !(ie->ie_flags & IE_SOFT)) {
+ if (__predict_false(intr_storm_threshold != 0 &&
+ ie->ie_count >= intr_storm_threshold &&
+ (ie->ie_flags & IE_SOFT) == 0)) {
/* Report the message only once every second. */
if (ppsratecheck(&ie->ie_warntm, &ie->ie_warncnt, 1)) {
printf(