From 9af3029471fac17983fbe3b1d3df020fcdc0e398 Mon Sep 17 00:00:00 2001
From: David Gwynne <dlg@cvs.openbsd.org>
Date: Thu, 3 Jun 2010 01:03:56 +0000
Subject: get rid of the kthread. it is unused and just bloats the kernel.

pointed out by brad.
---
 sys/dev/ic/ciss.c    | 31 +------------------------------
 sys/dev/ic/cissvar.h |  3 +--
 2 files changed, 2 insertions(+), 32 deletions(-)

(limited to 'sys/dev/ic')

diff --git a/sys/dev/ic/ciss.c b/sys/dev/ic/ciss.c
index 8d247ad837c..b30d9e77035 100644
--- a/sys/dev/ic/ciss.c
+++ b/sys/dev/ic/ciss.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ciss.c,v 1.53 2010/06/03 01:02:13 dlg Exp $	*/
+/*	$OpenBSD: ciss.c,v 1.54 2010/06/03 01:03:55 dlg Exp $	*/
 
 /*
  * Copyright (c) 2005,2006 Michael Shalayeff
@@ -29,7 +29,6 @@
 #include <sys/kernel.h>
 #include <sys/malloc.h>
 #include <sys/proc.h>
-#include <sys/kthread.h>
 
 #include <machine/bus.h>
 
@@ -88,7 +87,6 @@ int	ciss_ioctl(struct device *, u_long, caddr_t);
 int	ciss_sync(struct ciss_softc *sc);
 void	ciss_heartbeat(void *v);
 void	ciss_shutdown(void *v);
-void	ciss_kthread(void *v);
 #ifndef SMALL_KERNEL
 void	ciss_sensors(void *);
 #endif
@@ -370,16 +368,6 @@ ciss_attach(struct ciss_softc *sc)
 		return -1;
 	}
 
-#if 0
-	if (kthread_create(ciss_kthread, sc, NULL, "%s", sc->sc_dev.dv_xname)) {
-		printf(": unable to create kernel thread\n");
-		shutdownhook_disestablish(sc->sc_sh);
-		bus_dmamem_free(sc->dmat, sc->cmdseg, 1);
-		bus_dmamap_destroy(sc->dmat, sc->cmdmap);
-		return -1;
-	}
-#endif
-
 	sc->sc_link.device = &ciss_dev;
 	sc->sc_link.adapter_softc = sc;
 	sc->sc_link.openings = sc->maxcmd / (sc->maxunits? sc->maxunits : 1);
@@ -968,23 +956,6 @@ ciss_heartbeat(void *v)
 	timeout_add_sec(&sc->sc_hb, 3);
 }
 
-void
-ciss_kthread(void *v)
-{
-	struct ciss_softc *sc = v;
-	ciss_lock_t lock;
-
-	for (;;) {
-		tsleep(sc, PRIBIO, sc->sc_dev.dv_xname, 0);
-
-		lock = CISS_LOCK(sc);
-
-
-
-		CISS_UNLOCK(sc, lock);
-	}
-}
-
 int
 ciss_scsi_ioctl(struct scsi_link *link, u_long cmd,
     caddr_t addr, int flag, struct proc *p)
diff --git a/sys/dev/ic/cissvar.h b/sys/dev/ic/cissvar.h
index 97f245439ca..c6fba9d86aa 100644
--- a/sys/dev/ic/cissvar.h
+++ b/sys/dev/ic/cissvar.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cissvar.h,v 1.13 2010/06/03 00:56:42 dlg Exp $	*/
+/*	$OpenBSD: cissvar.h,v 1.14 2010/06/03 01:03:55 dlg Exp $	*/
 
 /*
  * Copyright (c) 2005,2006 Michael Shalayeff
@@ -32,7 +32,6 @@ struct ciss_softc {
 	struct timeout	sc_hb;
 	void		*sc_ih;
 	void		*sc_sh;
-	struct proc	*sc_thread;
 	int		sc_flush;
 	struct ksensor	*sensors;
 	struct ksensordev sensordev;
-- 
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