Restructure code for readability improvement. No functional change.
Reviewed by: kib
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1b79b9498b
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=285705
@ -1231,17 +1231,14 @@ intr_event_execute_handlers(struct proc *p, struct intr_event *ie)
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* For software interrupt threads, we only execute
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* handlers that have their need flag set. Hardware
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* interrupt threads always invoke all of their handlers.
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*
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* ih_need can only be 0 or 1. Failed cmpset below
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* means that there is no request to execute handlers,
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* so a retry of the cmpset is not needed.
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*/
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if ((ie->ie_flags & IE_SOFT) != 0) {
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/*
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* ih_need can only be 0 or 1. Failed cmpset
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* below means that there is no request to
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* execute handlers, so a retry of the cmpset
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* is not needed.
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*/
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if (atomic_cmpset_int(&ih->ih_need, 1, 0) == 0)
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if ((ie->ie_flags & IE_SOFT) != 0 &&
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atomic_cmpset_int(&ih->ih_need, 1, 0) == 0)
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continue;
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}
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/* Execute this handler. */
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CTR6(KTR_INTR, "%s: pid %d exec %p(%p) for %s flg=%x",
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