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authorDavid S. Miller <davem@hutch.davemloft.net>2007-06-02 14:41:44 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-06-04 21:49:50 -0700
commiteff3414b7277c4792debfa227f5408238d925f16 (patch)
tree6c68bbd22f14e8cfa42f4e2f5a18952086156321 /arch/sparc64/kernel/sysfs.c
parent5ecd3100e695228ac5e0ce0e325e252c0f11806f (diff)
[SPARC64]: Move topology init code into new file, sysfs.c
Also, use per-cpu data for struct cpu. Calling kmalloc for each cpu in topology_init() is just plain clumsy. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/sysfs.c')
-rw-r--r--arch/sparc64/kernel/sysfs.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/sysfs.c b/arch/sparc64/kernel/sysfs.c
new file mode 100644
index 000000000000..0808c214dc73
--- /dev/null
+++ b/arch/sparc64/kernel/sysfs.c
@@ -0,0 +1,26 @@
+/* sysfs.c: Toplogy sysfs support code for sparc64.
+ *
+ * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
+ */
+#include <linux/sysdev.h>
+#include <linux/cpu.h>
+#include <linux/smp.h>
+#include <linux/percpu.h>
+#include <linux/init.h>
+
+static DEFINE_PER_CPU(struct cpu, cpu_devices);
+
+static int __init topology_init(void)
+{
+ int cpu;
+
+ for_each_possible_cpu(cpu) {
+ struct cpu *c = &per_cpu(cpu_devices, cpu);
+
+ register_cpu(c, cpu);
+ }
+
+ return 0;
+}
+
+subsys_initcall(topology_init);