[POWERPC] Wrap cpu_die() with CONFIG_HOTPLUG_CPU
Per email discussion, it appears that rtas_stop_self()
and pSeries_mach_cpu_die() should not be compiled if
CONFIG_HOTPLUG_CPU is not defined. This patch adds
#ifdefs around these bits of code.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 6ef80d4..387ed0d 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -810,9 +810,9 @@
return 0;
}
+#ifdef CONFIG_HOTPLUG_CPU
/* This version can't take the spinlock, because it never returns */
-
-struct rtas_args rtas_stop_self_args = {
+static struct rtas_args rtas_stop_self_args = {
/* The token is initialized for real in setup_system() */
.token = RTAS_UNKNOWN_SERVICE,
.nargs = 0,
@@ -834,6 +834,7 @@
panic("Alas, I survived.\n");
}
+#endif
/*
* Call early during boot, before mem init or bootmem, to retrieve the RTAS
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index a8f3812..0dc2548 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -347,6 +347,7 @@
}
arch_initcall(pSeries_init_panel);
+#ifdef CONFIG_HOTPLUG_CPU
static void pSeries_mach_cpu_die(void)
{
local_irq_disable();
@@ -357,6 +358,9 @@
BUG();
for(;;);
}
+#else
+#define pSeries_mach_cpu_die NULL
+#endif
static int pseries_set_dabr(unsigned long dabr)
{
diff --git a/include/asm-powerpc/rtas.h b/include/asm-powerpc/rtas.h
index d34f9e1..5a0c136 100644
--- a/include/asm-powerpc/rtas.h
+++ b/include/asm-powerpc/rtas.h
@@ -54,8 +54,6 @@
rtas_arg_t *rets; /* Pointer to return values in args[]. */
};
-extern struct rtas_args rtas_stop_self_args;
-
struct rtas_t {
unsigned long entry; /* physical address pointer */
unsigned long base; /* physical address pointer */