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D36937.diff
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diff --git a/share/man/man9/swi.9 b/share/man/man9/swi.9
--- a/share/man/man9/swi.9
+++ b/share/man/man9/swi.9
@@ -139,12 +139,6 @@
.Fa handler
will be executed the next time that the software interrupt thread runs after
being scheduled by another event.
-Attaching a handler to the clock software interrupt thread and using this flag
-when scheduling a software interrupt handler can be used to implement the
-functionality performed by
-.Fn setdelayed
-in earlier versions of
-.Fx .
.It Dv SWI_FROMNMI
Specifies that
.Fn swi_sched
@@ -163,11 +157,9 @@
.Va tty_intr_event
is used to hang tty software interrupt handlers off of the same thread.
.Va clk_intr_event
-is used to hang delayed handlers off of the clock software interrupt thread so
-that the functionality of
-.Fn setdelayed
-can be obtained in conjunction with
-.Dv SWI_DELAY .
+is used to hang delayed handlers off of the clock interrupt, and is invoked
+directly by
+.Xr hardclock 9 .
.Sh RETURN VALUES
The
.Fn swi_add
@@ -222,6 +214,7 @@
.Dv NULL .
.El
.Sh SEE ALSO
+.Xr hardclock 9 ,
.Xr ithread 9 ,
.Xr taskqueue 9
.Sh HISTORY
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D36937: swi(9): clean up description of clk_intr_event
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