Merge branch 'upstream-fixes'

[powerpc.git] / arch / powerpc / kernel / setup_64.c

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 0420418..a717dff 100644 (file)
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -33,6 +33,7 @@
 #include <linux/unistd.h>
 #include <linux/serial.h>
 #include <linux/serial_8250.h>
+#include <linux/bootmem.h>
 #include <asm/io.h>
 #include <asm/kdump.h>
 #include <asm/prom.h>
@@ -397,6 +398,9 @@ void __init setup_system(void)
 {
        DBG(" -> setup_system()\n");
 
+#ifdef CONFIG_KEXEC
+       kdump_move_device_tree();
+#endif
        /*
         * Unflatten the device-tree passed by prom_init or kexec
         */
@@ -654,3 +658,28 @@ void cpu_die(void)
        if (ppc_md.cpu_die)
                ppc_md.cpu_die();
 }
+
+#ifdef CONFIG_SMP
+void __init setup_per_cpu_areas(void)
+{
+       int i;
+       unsigned long size;
+       char *ptr;
+
+       /* Copy section for each CPU (we discard the original) */
+       size = ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES);
+#ifdef CONFIG_MODULES
+       if (size < PERCPU_ENOUGH_ROOM)
+               size = PERCPU_ENOUGH_ROOM;
+#endif
+
+       for_each_cpu(i) {
+               ptr = alloc_bootmem_node(NODE_DATA(cpu_to_node(i)), size);
+               if (!ptr)
+                       panic("Cannot allocate cpu data for CPU %d\n", i);
+
+               paca[i].data_offset = ptr - __per_cpu_start;
+               memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
+       }
+}
+#endif