Add a generic kernel/init_task.c, since it is basically identical across
all the architectures Linux supports.
Signed-off-by: Kyle McMartin <kyle@xxxxxxxxxx>
---
kernel/Makefile | 4 ++++
kernel/init_task.c | 36 ++++++++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+), 0 deletions(-)
create mode 100644 kernel/init_task.c
diff --git a/kernel/Makefile b/kernel/Makefile
index 19fad00..b370dec 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -11,6 +11,10 @@ obj-y = sched.o fork.o exec_domain.o panic.o printk.o \
hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
notifier.o ksysfs.o pm_qos_params.o sched_clock.o
+ifneq ($(CONFIG_HAVE_ARCH_INIT_TASK),y)
+obj-y += init_task.o
+endif
+
ifdef CONFIG_FUNCTION_TRACER
# Do not trace debug files and internal ftrace files
CFLAGS_REMOVE_lockdep.o = -pg
diff --git a/kernel/init_task.c b/kernel/init_task.c
new file mode 100644
index 0000000..2ebfa81
--- /dev/null
+++ b/kernel/init_task.c
@@ -0,0 +1,36 @@
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/init_task.h>
+#include <linux/fs.h>
+#include <linux/mqueue.h>
+
+#include <asm/uaccess.h>
+#include <asm/pgtable.h>
+
+static struct fs_struct init_fs = INIT_FS;
+static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
+static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
+struct mm_struct init_mm = INIT_MM(init_mm);
+EXPORT_UNUSED_SYMBOL(init_mm); /* will be removed in 2.6.26 */
+
+/*
+ * Initial thread structure.
+ *
+ * We need to make sure that this is THREAD_SIZE 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
+ __attribute__((__section__(".data.init_task"))) =
+ { INIT_THREAD_INFO(init_task) };
+
+/*
+ * 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);
+
--
1.6.0.4
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