diff options
Diffstat (limited to 'arch/m32r/kernel')
| -rw-r--r-- | arch/m32r/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/m32r/kernel/init_task.c | 34 | ||||
| -rw-r--r-- | arch/m32r/kernel/signal.c | 44 | ||||
| -rw-r--r-- | arch/m32r/kernel/smpboot.c | 6 |
4 files changed, 10 insertions, 76 deletions
diff --git a/arch/m32r/kernel/Makefile b/arch/m32r/kernel/Makefile index b1a4b603659..0c09dad8b1f 100644 --- a/arch/m32r/kernel/Makefile +++ b/arch/m32r/kernel/Makefile @@ -2,7 +2,7 @@ # Makefile for the Linux/M32R kernel. # -extra-y := head.o init_task.o vmlinux.lds +extra-y := head.o vmlinux.lds obj-y := process.o entry.o traps.o align.o irq.o setup.o time.o \ m32r_ksyms.o sys_m32r.o signal.o ptrace.o diff --git a/arch/m32r/kernel/init_task.c b/arch/m32r/kernel/init_task.c deleted file mode 100644 index 6c42d5f8df5..00000000000 --- a/arch/m32r/kernel/init_task.c +++ /dev/null @@ -1,34 +0,0 @@ -/* orig : i386 init_task.c */ - -#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 signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -/* - * 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) }; - -/* - * 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); - diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index a08697f0886..f3fb2c029cf 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -28,8 +28,6 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, unsigned long r2, unsigned long r3, unsigned long r4, @@ -111,11 +109,7 @@ sys_rt_sigreturn(unsigned long r0, unsigned long r1, if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &result)) goto badframe; @@ -270,9 +264,9 @@ static int prev_insn(struct pt_regs *regs) * OK, we're invoking a handler */ -static int +static void handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset, struct pt_regs *regs) + struct pt_regs *regs) { /* Are we from a system call? */ if (regs->syscall_nr >= 0) { @@ -297,16 +291,10 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, } /* Set up the stack frame */ - if (setup_rt_frame(sig, ka, info, oldset, regs)) - return -EFAULT; + if (setup_rt_frame(sig, ka, info, sigmask_to_save(), regs)) + return; - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked,sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - return 0; + signal_delivered(sig, info, ka, regs, 0); } /* @@ -319,7 +307,6 @@ static void do_signal(struct pt_regs *regs) siginfo_t info; int signr; struct k_sigaction ka; - sigset_t *oldset; /* * We want the common case to go fast, which @@ -330,14 +317,6 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - if (try_to_freeze()) - goto no_signal; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); if (signr > 0) { /* Re-enable any watchpoints before delivering the @@ -347,13 +326,11 @@ static void do_signal(struct pt_regs *regs) */ /* Whee! Actually deliver the signal. */ - if (handle_signal(signr, &ka, &info, oldset, regs) == 0) - clear_thread_flag(TIF_RESTORE_SIGMASK); + handle_signal(signr, &ka, &info, regs); return; } - no_signal: /* Did we come from a system call? */ if (regs->syscall_nr >= 0) { /* Restart the system call - no handlers present */ @@ -368,10 +345,7 @@ static void do_signal(struct pt_regs *regs) prev_insn(regs); } } - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } + restore_saved_sigmask(); } /* @@ -391,8 +365,6 @@ void do_notify_resume(struct pt_regs *regs, __u32 thread_info_flags) if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); - if (current->replacement_session_keyring) - key_replace_session_keyring(); } clear_thread_flag(TIF_IRET); diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index cfdbe5d1500..a2cfc0abb05 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -109,12 +109,8 @@ static unsigned int calibration_result; /* Function Prototypes */ /*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/ -void smp_prepare_boot_cpu(void); -void smp_prepare_cpus(unsigned int); static void init_ipi_lock(void); static void do_boot_cpu(int); -int __cpu_up(unsigned int); -void smp_cpus_done(unsigned int); int start_secondary(void *); static void smp_callin(void); @@ -347,7 +343,7 @@ static void __init do_boot_cpu(int phys_id) } } -int __cpuinit __cpu_up(unsigned int cpu_id) +int __cpuinit __cpu_up(unsigned int cpu_id, struct task_struct *tidle) { int timeout; |