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authorPaul Mackerras <paulus@samba.org>2006-02-24 14:05:47 +1100
committerPaul Mackerras <paulus@samba.org>2006-02-24 14:05:47 +1100
commita00428f5b149e36b8225b2a0812742a6dfb07b8c (patch)
treea78869cd67cf78a0eb091fb0ea5d397734bd6738 /arch/arm/mach-realview/platsmp.c
parent774fee58c465ea1c7e9775e347ec307bcf2deeb3 (diff)
parentfb5c594c2acc441f0d2d8f457484a0e0e9285db3 (diff)
Merge ../powerpc-merge
Diffstat (limited to 'arch/arm/mach-realview/platsmp.c')
-rw-r--r--arch/arm/mach-realview/platsmp.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index a8fbd76d8be..b8484e15dac 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -143,6 +143,18 @@ static void __init poke_milo(void)
mb();
}
+/*
+ * Initialise the CPU possible map early - this describes the CPUs
+ * which may be present or become present in the system.
+ */
+void __init smp_init_cpus(void)
+{
+ unsigned int i, ncores = get_core_count();
+
+ for (i = 0; i < ncores; i++)
+ cpu_set(i, cpu_possible_map);
+}
+
void __init smp_prepare_cpus(unsigned int max_cpus)
{
unsigned int ncores = get_core_count();
@@ -179,14 +191,11 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
local_timer_setup(cpu);
/*
- * Initialise the possible/present maps.
- * cpu_possible_map describes the set of CPUs which may be present
- * cpu_present_map describes the set of CPUs populated
+ * Initialise the present map, which describes the set of CPUs
+ * actually populated at the present time.
*/
- for (i = 0; i < max_cpus; i++) {
- cpu_set(i, cpu_possible_map);
+ for (i = 0; i < max_cpus; i++)
cpu_set(i, cpu_present_map);
- }
/*
* Do we need any more CPUs? If so, then let them know where