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-rw-r--r--arch/blackfin/Kconfig1
-rw-r--r--arch/blackfin/Makefile2
-rw-r--r--arch/blackfin/kernel/Makefile2
-rw-r--r--arch/blackfin/kernel/init_task.c32
-rw-r--r--arch/blackfin/mach-common/smp.c19
5 files changed, 3 insertions, 53 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 383e7ecda923..7f3c589cc024 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -37,6 +37,7 @@ config BLACKFIN
select GENERIC_IRQ_PROBE
select IRQ_PER_CPU if SMP
select HAVE_NMI_WATCHDOG if NMI_WATCHDOG
+ select GENERIC_SMP_IDLE_THREAD
config GENERIC_CSUM
def_bool y
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index 74fdf679da01..d3d7e64ca96d 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -109,8 +109,6 @@ KBUILD_AFLAGS += -mcpu=$(CPU_REV)
CHECKFLAGS_SILICON = $(shell echo "" | $(CPP) $(KBUILD_CFLAGS) -dD - 2>/dev/null | awk '$$2 == "__SILICON_REVISION__" { print $$3 }')
CHECKFLAGS += -D__SILICON_REVISION__=$(CHECKFLAGS_SILICON) -D__bfin__
-head-y := arch/$(ARCH)/kernel/init_task.o
-
core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ arch/$(ARCH)/mach-common/
# If we have a machine-specific directory, then include it in the build.
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index 9a0d6d706443..08e6625106be 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -2,7 +2,7 @@
# arch/blackfin/kernel/Makefile
#
-extra-y := init_task.o vmlinux.lds
+extra-y := vmlinux.lds
obj-y := \
entry.o process.o bfin_ksyms.o ptrace.o setup.o signal.o \
diff --git a/arch/blackfin/kernel/init_task.c b/arch/blackfin/kernel/init_task.c
deleted file mode 100644
index d3970e8acd1a..000000000000
--- a/arch/blackfin/kernel/init_task.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright 2004-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later
- */
-
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/init_task.h>
-#include <linux/mqueue.h>
-#include <linux/fs.h>
-
-static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
-static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-/*
- * Initial task structure.
- *
- * All other task structs will be allocated on slabs in fork.c
- */
-struct task_struct init_task = INIT_TASK(init_task);
-EXPORT_SYMBOL(init_task);
-
-/*
- * Initial thread structure.
- *
- * We need to make sure that this is 8192-byte aligned due to the
- * way process stacks are handled. This is done by having a special
- * "init_task" linker map entry.
- */
-union thread_union init_thread_union
- __init_task_data = {
-INIT_THREAD_INFO(init_task)};
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index ac8f8a43158c..00bbe672b3b3 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -340,27 +340,10 @@ void smp_send_stop(void)
return;
}
-int __cpuinit __cpu_up(unsigned int cpu)
+int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle)
{
int ret;
- struct blackfin_cpudata *ci = &per_cpu(cpu_data, cpu);
- struct task_struct *idle = ci->idle;
- if (idle) {
- free_task(idle);
- idle = NULL;
- }
-
- if (!idle) {
- idle = fork_idle(cpu);
- if (IS_ERR(idle)) {
- printk(KERN_ERR "CPU%u: fork() failed\n", cpu);
- return PTR_ERR(idle);
- }
- ci->idle = idle;
- } else {
- init_idle(idle, cpu);
- }
secondary_stack = task_stack_page(idle) + THREAD_SIZE;
ret = platform_boot_secondary(cpu, idle);