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Diffstat (limited to 'arch/mn10300/include/asm/processor.h')
-rw-r--r--arch/mn10300/include/asm/processor.h46
1 files changed, 18 insertions, 28 deletions
diff --git a/arch/mn10300/include/asm/processor.h b/arch/mn10300/include/asm/processor.h
index 75c422abcd6..4c1b5cc14c1 100644
--- a/arch/mn10300/include/asm/processor.h
+++ b/arch/mn10300/include/asm/processor.h
@@ -13,10 +13,13 @@
#ifndef _ASM_PROCESSOR_H
#define _ASM_PROCESSOR_H
+#include <linux/threads.h>
+#include <linux/thread_info.h>
#include <asm/page.h>
#include <asm/ptrace.h>
#include <asm/cpu-regs.h>
-#include <linux/threads.h>
+#include <asm/uaccess.h>
+#include <asm/current.h>
/* Forward declaration, a strange C thing */
struct task_struct;
@@ -83,10 +86,6 @@ extern void dodgy_tsc(void);
*/
#define TASK_UNMAPPED_BASE 0x30000000
-typedef struct {
- unsigned long seg;
-} mm_segment_t;
-
struct fpu_state_struct {
unsigned long fs[32]; /* fpu registers */
unsigned long fpcr; /* fpu control register */
@@ -99,7 +98,6 @@ struct thread_struct {
unsigned long a3; /* kernel FP */
unsigned long wchan;
unsigned long usp;
- struct pt_regs *frame;
unsigned long fpu_flags;
#define THREAD_USING_FPU 0x00000001 /* T if this task is using the FPU */
#define THREAD_HAS_FPU 0x00000002 /* T if this task owns the FPU right now */
@@ -113,7 +111,6 @@ struct thread_struct {
.sp = 0, \
.a3 = 0, \
.wchan = 0, \
- .frame = NULL, \
}
#define INIT_MMAP \
@@ -125,27 +122,20 @@ struct thread_struct {
* - need to discard the frame stacked by the kernel thread invoking the execve
* syscall (see RESTORE_ALL macro)
*/
-#if defined(CONFIG_SMP) && defined(CONFIG_PREEMPT) /* FIXME */
-#define start_thread(regs, new_pc, new_sp) do { \
- int cpu; \
- preempt_disable(); \
- cpu = CPUID; \
- set_fs(USER_DS); \
- ___frame[cpu] = current->thread.uregs; \
- ___frame[cpu]->epsw = EPSW_nSL | EPSW_IE | EPSW_IM;\
- ___frame[cpu]->pc = new_pc; \
- ___frame[cpu]->sp = new_sp; \
- preempt_enable(); \
-} while (0)
-#else /* CONFIG_SMP && CONFIG_PREEMPT */
-#define start_thread(regs, new_pc, new_sp) do { \
- set_fs(USER_DS); \
- __frame = current->thread.uregs; \
- __frame->epsw = EPSW_nSL | EPSW_IE | EPSW_IM; \
- __frame->pc = new_pc; \
- __frame->sp = new_sp; \
-} while (0)
-#endif /* CONFIG_SMP && CONFIG_PREEMPT */
+static inline void start_thread(struct pt_regs *regs,
+ unsigned long new_pc, unsigned long new_sp)
+{
+ struct thread_info *ti = current_thread_info();
+ struct pt_regs *frame0;
+ set_fs(USER_DS);
+
+ frame0 = thread_info_to_uregs(ti);
+ frame0->epsw = EPSW_nSL | EPSW_IE | EPSW_IM;
+ frame0->pc = new_pc;
+ frame0->sp = new_sp;
+ ti->frame = frame0;
+}
+
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);