diff options
Diffstat (limited to 'arch/m32r')
| -rw-r--r-- | arch/m32r/Kconfig | 4 | ||||
| -rw-r--r-- | arch/m32r/kernel/m32r_ksyms.c | 3 | ||||
| -rw-r--r-- | arch/m32r/kernel/process.c | 17 | ||||
| -rw-r--r-- | arch/m32r/kernel/ptrace.c | 47 | ||||
| -rw-r--r-- | arch/m32r/kernel/smpboot.c | 2 |
5 files changed, 15 insertions, 58 deletions
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index fae67bbb52f6..a3dcc3fab4b7 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -12,10 +12,6 @@ config M32R config SBUS bool -config UID16 - bool - default n - config GENERIC_ISA_DMA bool default y diff --git a/arch/m32r/kernel/m32r_ksyms.c b/arch/m32r/kernel/m32r_ksyms.c index e5ec134d81d9..dbc8a392105f 100644 --- a/arch/m32r/kernel/m32r_ksyms.c +++ b/arch/m32r/kernel/m32r_ksyms.c @@ -18,8 +18,6 @@ #include <asm/irq.h> #include <asm/tlbflush.h> -extern void dump_thread(struct pt_regs *, struct user *); - #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE) extern struct drive_info_struct drive_info; EXPORT_SYMBOL(drive_info); @@ -27,7 +25,6 @@ EXPORT_SYMBOL(drive_info); /* platform dependent support */ EXPORT_SYMBOL(boot_cpu_data); -EXPORT_SYMBOL(dump_thread); EXPORT_SYMBOL(dump_fpu); EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(iounmap); diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index cc4b571e5db7..5dfc7ea45cf7 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -50,6 +50,10 @@ unsigned long thread_saved_pc(struct task_struct *tsk) * Powermanagement idle function, if any.. */ void (*pm_idle)(void) = NULL; +EXPORT_SYMBOL(pm_idle); + +void (*pm_power_off)(void) = NULL; +EXPORT_SYMBOL(pm_power_off); void disable_hlt(void) { @@ -238,13 +242,10 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) int copy_thread(int nr, unsigned long clone_flags, unsigned long spu, unsigned long unused, struct task_struct *tsk, struct pt_regs *regs) { - struct pt_regs *childregs; - unsigned long sp = (unsigned long)tsk->thread_info + THREAD_SIZE; + struct pt_regs *childregs = task_pt_regs(tsk); extern void ret_from_fork(void); /* Copy registers */ - sp -= sizeof (struct pt_regs); - childregs = (struct pt_regs *)sp; *childregs = *regs; childregs->spu = spu; @@ -257,14 +258,6 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long spu, } /* - * fill in the user structure for a core dump.. - */ -void dump_thread(struct pt_regs * regs, struct user * dump) -{ - /* M32R_FIXME */ -} - -/* * Capture the user space registers if the task is not running (in user space) */ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs) diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c index 078d2a0e71c2..340a3bf59b88 100644 --- a/arch/m32r/kernel/ptrace.c +++ b/arch/m32r/kernel/ptrace.c @@ -35,23 +35,6 @@ #include <asm/mmu_context.h> /* - * Get the address of the live pt_regs for the specified task. - * These are saved onto the top kernel stack when the process - * is not running. - * - * Note: if a user thread is execve'd from kernel space, the - * kernel stack will not be empty on entry to the kernel, so - * ptracing these tasks will fail. - */ -static inline struct pt_regs * -get_user_regs(struct task_struct *task) -{ - return (struct pt_regs *) - ((unsigned long)task->thread_info + THREAD_SIZE - - sizeof(struct pt_regs)); -} - -/* * This routine will get a word off of the process kernel stack. */ static inline unsigned long int @@ -59,7 +42,7 @@ get_stack_long(struct task_struct *task, int offset) { unsigned long *stack; - stack = (unsigned long *)get_user_regs(task); + stack = (unsigned long *)task_pt_regs(task); return stack[offset]; } @@ -72,7 +55,7 @@ put_stack_long(struct task_struct *task, int offset, unsigned long data) { unsigned long *stack; - stack = (unsigned long *)get_user_regs(task); + stack = (unsigned long *)task_pt_regs(task); stack[offset] = data; return 0; @@ -208,7 +191,7 @@ static int ptrace_write_user(struct task_struct *tsk, unsigned long off, */ static int ptrace_getregs(struct task_struct *tsk, void __user *uregs) { - struct pt_regs *regs = get_user_regs(tsk); + struct pt_regs *regs = task_pt_regs(tsk); return copy_to_user(uregs, regs, sizeof(struct pt_regs)) ? -EFAULT : 0; } @@ -223,7 +206,7 @@ static int ptrace_setregs(struct task_struct *tsk, void __user *uregs) ret = -EFAULT; if (copy_from_user(&newregs, uregs, sizeof(struct pt_regs)) == 0) { - struct pt_regs *regs = get_user_regs(tsk); + struct pt_regs *regs = task_pt_regs(tsk); *regs = newregs; ret = 0; } @@ -762,28 +745,16 @@ asmlinkage long sys_ptrace(long request, long pid, long addr, long data) int ret; lock_kernel(); - ret = -EPERM; if (request == PTRACE_TRACEME) { - /* are we already being traced? */ - if (current->ptrace & PT_PTRACED) - goto out; - /* set the ptrace bit in the process flags. */ - current->ptrace |= PT_PTRACED; - ret = 0; + ret = ptrace_traceme(); goto out; } - ret = -ESRCH; - read_lock(&tasklist_lock); - child = find_task_by_pid(pid); - if (child) - get_task_struct(child); - read_unlock(&tasklist_lock); - if (!child) - goto out; - ret = -EPERM; - if (pid == 1) /* you may not mess with init */ + child = ptrace_get_task_struct(pid); + if (IS_ERR(child)) { + ret = PTR_ERR(child); goto out; + } if (request == PTRACE_ATTACH) { ret = ptrace_attach(child); diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index b90c54169fa5..d7ec16e7fb25 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -286,7 +286,7 @@ static void __init do_boot_cpu(int phys_id) /* So we see what's up */ printk("Booting processor %d/%d\n", phys_id, cpu_id); stack_start.spi = (void *)idle->thread.sp; - idle->thread_info->cpu = cpu_id; + task_thread_info(idle)->cpu = cpu_id; /* * Send Startup IPI |