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[src/trunk]: src/sys/arch/sparc64/sparc64 Remove restriction that cpu0 has to...



details:   https://anonhg.NetBSD.org/src/rev/010dfd777920
branches:  trunk
changeset: 749488:010dfd777920
user:      martin <martin%NetBSD.org@localhost>
date:      Tue Dec 01 00:06:31 2009 +0000

description:
Remove restriction that cpu0 has to attach first.
Make sure cpu0 attaches to the bootstrap cpu only (equivalent of previous
change but not restricted to UP kernels).

diffstat:

 sys/arch/sparc64/sparc64/cpu.c |  17 +++++++----------
 1 files changed, 7 insertions(+), 10 deletions(-)

diffs (55 lines):

diff -r f09bade568db -r 010dfd777920 sys/arch/sparc64/sparc64/cpu.c
--- a/sys/arch/sparc64/sparc64/cpu.c    Tue Dec 01 00:03:53 2009 +0000
+++ b/sys/arch/sparc64/sparc64/cpu.c    Tue Dec 01 00:06:31 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu.c,v 1.85 2009/11/29 19:38:45 martin Exp $ */
+/*     $NetBSD: cpu.c,v 1.86 2009/12/01 00:06:31 martin Exp $ */
 
 /*
  * Copyright (c) 1996
@@ -52,7 +52,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.85 2009/11/29 19:38:45 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.86 2009/12/01 00:06:31 martin Exp $");
 
 #include "opt_multiprocessor.h"
 
@@ -190,14 +190,13 @@
        if (strcmp(cf->cf_name, ma->ma_name) != 0)
                return 0;
 
-#ifndef MULTIPROCESSOR
        /*
-        * If we are going to only attach a single cpu, make sure
-        * to pick the one we are running on right now.
+        * Make sure cpu0 attaches to the currently running cpu (which
+        * is the boot cpu always, as we did not fire up others at this point)
         */
-       if (upaid_from_node(ma->ma_node) != CPU_UPAID)
+       if (cf->cf_unit == 0 && upaid_from_node(ma->ma_node) != CPU_UPAID)
                return 0;
-#endif
+
        return 1;
 }
 
@@ -238,7 +237,6 @@
        char buf[100];
        int     totalsize = 0;
        int     linesize;
-       static bool passed = false;
 
        /* tell them what we have */
        node = ma->ma_node;
@@ -255,8 +253,7 @@
         * For other cpus, we need to call mi_cpu_attach()
         * and complete setting up cpcb.
         */
-       if (!passed) {
-               passed = true;
+       if (ci->ci_flags & CPUF_PRIMARY) {
                fpstate_cache = pool_cache_init(sizeof(struct fpstate64),
                                        BLOCK_SIZE, 0, 0, "fpstate", NULL,
                                        IPL_NONE, NULL, NULL, NULL);



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