diff options
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/include/asm/processor_32.h | 3 | ||||
-rw-r--r-- | arch/sh/include/asm/processor_64.h | 1 | ||||
-rw-r--r-- | arch/sh/kernel/process.c | 7 | ||||
-rw-r--r-- | arch/sh/kernel/process_32.c | 9 |
4 files changed, 7 insertions, 13 deletions
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index 900f8d7..b6311fd 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -126,9 +126,6 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_pc, unsigned lo /* Free all resources held by a thread. */ extern void release_thread(struct task_struct *); -/* Prepare to copy thread state - unlazy all lazy status */ -void prepare_to_copy(struct task_struct *tsk); - /* * create a kernel thread without removing it from tasklists */ diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h index e25c4c7..fe99afe 100644 --- a/arch/sh/include/asm/processor_64.h +++ b/arch/sh/include/asm/processor_64.h @@ -172,7 +172,6 @@ extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); #define copy_segments(p, mm) do { } while (0) #define release_segments(mm) do { } while (0) #define forget_segments() do { } while (0) -#define prepare_to_copy(tsk) do { } while (0) /* * FPU lazy state save handling. */ diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index 325f98b..2bde59e 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -6,8 +6,15 @@ struct kmem_cache *task_xstate_cachep = NULL; unsigned int xstate_size; +/* + * this gets called so that we can store lazy state into memory and copy the + * current task into the new thread. + */ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { +#ifdef CONFIG_SUPERH32 + unlazy_fpu(src, task_pt_regs(src)); +#endif *dst = *src; if (src->thread.xstate) { diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 94273aa..dee5961 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -155,15 +155,6 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) } EXPORT_SYMBOL(dump_fpu); -/* - * This gets called before we allocate a new thread and copy - * the current task into it. - */ -void prepare_to_copy(struct task_struct *tsk) -{ - unlazy_fpu(tsk, task_pt_regs(tsk)); -} - asmlinkage void ret_from_fork(void); int copy_thread(unsigned long clone_flags, unsigned long usp, |