diff options
Diffstat (limited to 'arch/avr32')
| -rw-r--r-- | arch/avr32/include/asm/processor.h | 3 | ||||
| -rw-r--r-- | arch/avr32/include/asm/signal.h | 7 | ||||
| -rw-r--r-- | arch/avr32/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/avr32/kernel/init_task.c | 31 | ||||
| -rw-r--r-- | arch/avr32/kernel/signal.c | 30 |
5 files changed, 13 insertions, 60 deletions
diff --git a/arch/avr32/include/asm/processor.h b/arch/avr32/include/asm/processor.h index 108502bc677..87d8baccc60 100644 --- a/arch/avr32/include/asm/processor.h +++ b/arch/avr32/include/asm/processor.h @@ -145,9 +145,6 @@ extern void release_thread(struct task_struct *); /* Create a kernel thread without removing it from tasklists */ extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); -/* Prepare to copy thread state - unlazy all lazy status */ -#define prepare_to_copy(tsk) do { } while(0) - /* Return saved PC of a blocked thread */ #define thread_saved_pc(tsk) ((tsk)->thread.cpu_context.pc) diff --git a/arch/avr32/include/asm/signal.h b/arch/avr32/include/asm/signal.h index 8790dfc10d5..ae56849fdb2 100644 --- a/arch/avr32/include/asm/signal.h +++ b/arch/avr32/include/asm/signal.h @@ -115,13 +115,6 @@ typedef unsigned long sigset_t; #include <asm-generic/signal-defs.h> #ifdef __KERNEL__ -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - __sigrestore_t sa_restorer; -}; - struct sigaction { __sighandler_t sa_handler; unsigned long sa_flags; diff --git a/arch/avr32/kernel/Makefile b/arch/avr32/kernel/Makefile index 18229d0d186..9e2c465ef3a 100644 --- a/arch/avr32/kernel/Makefile +++ b/arch/avr32/kernel/Makefile @@ -8,7 +8,7 @@ obj-$(CONFIG_SUBARCH_AVR32B) += entry-avr32b.o obj-y += syscall_table.o syscall-stubs.o irq.o obj-y += setup.o traps.o ocd.o ptrace.o obj-y += signal.o sys_avr32.o process.o time.o -obj-y += init_task.o switch_to.o cpu.o +obj-y += switch_to.o cpu.o obj-$(CONFIG_MODULES) += module.o avr32_ksyms.o obj-$(CONFIG_KPROBES) += kprobes.o obj-$(CONFIG_STACKTRACE) += stacktrace.o diff --git a/arch/avr32/kernel/init_task.c b/arch/avr32/kernel/init_task.c deleted file mode 100644 index 6b2343e6fe3..00000000000 --- a/arch/avr32/kernel/init_task.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Copyright (C) 2004-2006 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/sched.h> -#include <linux/init_task.h> -#include <linux/mqueue.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. Must be aligned on an 8192-byte boundary. - */ -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/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c index 64f886fac2e..ae386c304be 100644 --- a/arch/avr32/kernel/signal.c +++ b/arch/avr32/kernel/signal.c @@ -77,6 +77,9 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) struct rt_sigframe __user *frame; sigset_t set; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + frame = (struct rt_sigframe __user *)regs->sp; pr_debug("SIG return: frame = %p\n", frame); @@ -87,10 +90,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) 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)) goto badframe; @@ -238,22 +238,16 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, */ ret |= !valid_user_regs(regs); - /* - * Block the signal if we were unsuccessful. - */ - if (ret != 0 || !(ka->sa.sa_flags & SA_NODEFER)) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, - &ka->sa.sa_mask); - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } - - if (ret == 0) + if (ret != 0) { + force_sigsegv(sig, current); return; + } - force_sigsegv(sig, current); + /* + * Block the signal if we were successful. + */ + block_sigmask(ka, sig); + clear_thread_flag(TIF_RESTORE_SIGMASK); } /* |