[src/trunk]: src/sys/arch/xen/x86 Get rid of phycpus_attached bitmask; it's m...

[bouyer <bouyer%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1a0bbc2f2aec
branches:  trunk
changeset: 777589:1a0bbc2f2aec
user:      bouyer <bouyer%NetBSD.org@localhost>
date:      Fri Feb 24 11:31:23 2012 +0000

description:
Get rid of phycpus_attached bitmask; it's maintained but not used and
will limit the number of physical CPUs to 32 without good reasons.

diffstat:

 sys/arch/xen/x86/cpu.c |  14 ++------------
 1 files changed, 2 insertions(+), 12 deletions(-)

diffs (49 lines):

diff -r 282d6bbc93d0 -r 1a0bbc2f2aec sys/arch/xen/x86/cpu.c
--- a/sys/arch/xen/x86/cpu.c    Fri Feb 24 08:44:44 2012 +0000
+++ b/sys/arch/xen/x86/cpu.c    Fri Feb 24 11:31:23 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu.c,v 1.86 2012/02/24 08:06:07 cherry Exp $  */
+/*     $NetBSD: cpu.c,v 1.87 2012/02/24 11:31:23 bouyer Exp $  */
 /* NetBSD: cpu.c,v 1.18 2004/02/20 17:35:01 yamt Exp  */
 
 /*-
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.86 2012/02/24 08:06:07 cherry Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.87 2012/02/24 11:31:23 bouyer Exp $");
 
 #include "opt_ddb.h"
 #include "opt_multiprocessor.h"
@@ -184,9 +184,6 @@
 uint32_t cpus_attached = 1;
 uint32_t cpus_running = 1;
 
-uint32_t phycpus_attached = 0;
-uint32_t phycpus_running = 0;
-
 uint32_t cpu_feature[5]; /* X86 CPUID feature bits
                          *     [0] basic features %edx
                          *     [1] basic features %ecx
@@ -222,11 +219,6 @@
 
        sc->sc_dev = self;
 
-       if (phycpus_attached == ~0) {
-               aprint_error(": increase MAXCPUS\n");
-               return;
-       }
-
        /*
         * If we're an Application Processor, allocate a cpu_info
         * If we're the first attached CPU use the primary cpu_info,
@@ -260,8 +252,6 @@
        ci->ci_index = nphycpu++;
        ci->ci_cpumask = (1 << cpu_index(ci));
 
-       atomic_or_32(&phycpus_attached, ci->ci_cpumask);
-
        if (!pmf_device_register(self, NULL, NULL))
                aprint_error_dev(self, "couldn't establish power handler\n");