The test for rootfs (now mountlist) is to avoid panic'ing in sync().

Now that rootfs is not special, it should not be needed anymore.  You
never saw this on HP300s because there, *(foo *)NULL succeeds in the
kernel....; From: Chris Torek <torek@BSDI.COM>

SCCS-vsn: sys/sparc/sparc/machdep.c 8.6

diff --git a/usr/src/sys/sparc/sparc/machdep.c b/usr/src/sys/sparc/sparc/machdep.c
index aa7a936..1051b5b 100644 (file)
--- a/usr/src/sys/sparc/sparc/machdep.c
+++ b/usr/src/sys/sparc/sparc/machdep.c
@@ -13,7 +13,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)machdep.c   8.5 (Berkeley) %G%
+ *     @(#)machdep.c   8.6 (Berkeley) %G%

  *
  * from: $Header: machdep.c,v 1.44 93/10/31 05:28:36 torek Exp $
  */
  *
  * from: $Header: machdep.c,v 1.44 93/10/31 05:28:36 torek Exp $
  */


@@ -515,8 +515,7 @@ boot(howto)
 
        fb_unblank();
        boothowto = howto;
 
        fb_unblank();
        boothowto = howto;

-       if ((howto & RB_NOSYNC) == 0 &&
-           waittime < 0 && mountlist.tqh_first != NULL) {
+       if ((howto & RB_NOSYNC) == 0 && waittime < 0) {

                register struct buf *bp;
                int iter, nbusy;
 #if 1
                register struct buf *bp;
                int iter, nbusy;
 #if 1