summaryrefslogtreecommitdiffstats
path: root/arch/mn10300/kernel
diff options
context:
space:
mode:
authorAnton Arapov <anton@redhat.com>2012-08-07 11:21:50 +0200
committerAnton Arapov <anton@redhat.com>2012-08-07 12:52:25 +0200
commit1d44b6f3fcf6058fb7c960b7558766967e8028f7 (patch)
tree53d88547c973ba048d233091a3f91f3173ad01df /arch/mn10300/kernel
parentd91eda5d7b0383e6a0c83e0146ff141ff3b1355b (diff)
downloadkernel-uprobes-1d44b6f3fcf6058fb7c960b7558766967e8028f7.tar.gz
kernel-uprobes-1d44b6f3fcf6058fb7c960b7558766967e8028f7.tar.xz
kernel-uprobes-1d44b6f3fcf6058fb7c960b7558766967e8028f7.zip
fedora kernel: 222b075b3ff0d9e88aa9353e3c80667756ed7361v3.5.0-4
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/mn10300/kernel')
-rw-r--r--arch/mn10300/kernel/Makefile2
-rw-r--r--arch/mn10300/kernel/cevt-mn10300.c10
-rw-r--r--arch/mn10300/kernel/init_task.c39
-rw-r--r--arch/mn10300/kernel/internal.h2
-rw-r--r--arch/mn10300/kernel/irq.c4
-rw-r--r--arch/mn10300/kernel/kgdb.c3
-rw-r--r--arch/mn10300/kernel/process.c10
-rw-r--r--arch/mn10300/kernel/signal.c73
-rw-r--r--arch/mn10300/kernel/smp.c2
-rw-r--r--arch/mn10300/kernel/traps.c1
10 files changed, 39 insertions, 107 deletions
diff --git a/arch/mn10300/kernel/Makefile b/arch/mn10300/kernel/Makefile
index 47ed30fe817..d06749173d6 100644
--- a/arch/mn10300/kernel/Makefile
+++ b/arch/mn10300/kernel/Makefile
@@ -1,7 +1,7 @@
#
# Makefile for the MN10300-specific core kernel code
#
-extra-y := head.o init_task.o vmlinux.lds
+extra-y := head.o vmlinux.lds
fpu-obj-y := fpu-nofpu.o fpu-nofpu-low.o
fpu-obj-$(CONFIG_FPU) := fpu.o fpu-low.o
diff --git a/arch/mn10300/kernel/cevt-mn10300.c b/arch/mn10300/kernel/cevt-mn10300.c
index 69cae026078..ccce35e3e17 100644
--- a/arch/mn10300/kernel/cevt-mn10300.c
+++ b/arch/mn10300/kernel/cevt-mn10300.c
@@ -70,6 +70,16 @@ static void event_handler(struct clock_event_device *dev)
{
}
+static inline void setup_jiffies_interrupt(int irq,
+ struct irqaction *action)
+{
+ u16 tmp;
+ setup_irq(irq, action);
+ set_intr_level(irq, NUM2GxICR_LEVEL(CONFIG_TIMER_IRQ_LEVEL));
+ GxICR(irq) |= GxICR_ENABLE | GxICR_DETECT | GxICR_REQUEST;
+ tmp = GxICR(irq);
+}
+
int __init init_clockevents(void)
{
struct clock_event_device *cd;
diff --git a/arch/mn10300/kernel/init_task.c b/arch/mn10300/kernel/init_task.c
deleted file mode 100644
index a481b043bea..00000000000
--- a/arch/mn10300/kernel/init_task.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/* MN10300 Initial task definitions
- *
- * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#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 THREAD_SIZE 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/mn10300/kernel/internal.h b/arch/mn10300/kernel/internal.h
index a5ac755dd69..2df440105a8 100644
--- a/arch/mn10300/kernel/internal.h
+++ b/arch/mn10300/kernel/internal.h
@@ -9,6 +9,8 @@
* 2 of the Licence, or (at your option) any later version.
*/
+#include <linux/irqreturn.h>
+
struct clocksource;
struct clock_event_device;
diff --git a/arch/mn10300/kernel/irq.c b/arch/mn10300/kernel/irq.c
index 2381df83bd0..35932a8de8b 100644
--- a/arch/mn10300/kernel/irq.c
+++ b/arch/mn10300/kernel/irq.c
@@ -170,9 +170,9 @@ mn10300_cpupic_setaffinity(struct irq_data *d, const struct cpumask *mask,
case SC1TXIRQ:
#ifdef CONFIG_MN10300_TTYSM1_TIMER12
case TM12IRQ:
-#elif CONFIG_MN10300_TTYSM1_TIMER9
+#elif defined(CONFIG_MN10300_TTYSM1_TIMER9)
case TM9IRQ:
-#elif CONFIG_MN10300_TTYSM1_TIMER3
+#elif defined(CONFIG_MN10300_TTYSM1_TIMER3)
case TM3IRQ:
#endif /* CONFIG_MN10300_TTYSM1_TIMER12 */
#endif /* CONFIG_MN10300_TTYSM1 */
diff --git a/arch/mn10300/kernel/kgdb.c b/arch/mn10300/kernel/kgdb.c
index f6c981db2a3..99770823451 100644
--- a/arch/mn10300/kernel/kgdb.c
+++ b/arch/mn10300/kernel/kgdb.c
@@ -397,7 +397,7 @@ static bool kgdb_arch_undo_singlestep(struct pt_regs *regs)
* single-step state is cleared. At this point the breakpoints should have
* been removed by __switch_to().
*/
-void free_thread_info(struct thread_info *ti)
+void arch_release_thread_info(struct thread_info *ti)
{
if (kgdb_sstep_thread == ti) {
kgdb_sstep_thread = NULL;
@@ -407,7 +407,6 @@ void free_thread_info(struct thread_info *ti)
* so force immediate reentry */
kgdb_breakpoint();
}
- kfree(ti);
}
/*
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index 14707f25153..7dab0cd3646 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -208,12 +208,14 @@ void copy_segments(struct task_struct *p, struct mm_struct *new_mm)
}
/*
- * this gets called before we allocate a new thread and copy the current task
- * into it so that we can store lazy state into memory
+ * this gets called so that we can store lazy state into memory and copy the
+ * current task into the new thread.
*/
-void prepare_to_copy(struct task_struct *tsk)
+int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
{
- unlazy_fpu(tsk);
+ unlazy_fpu(src);
+ *dst = *src;
+ return 0;
}
/*
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index 690f4e9507d..4d584ae29ae 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -31,24 +31,14 @@
#define DEBUG_SIG 0
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-
/*
* atomically swap in the new signal mask, and wait for a signal.
*/
asmlinkage long sys_sigsuspend(int history0, int history1, old_sigset_t mask)
{
- mask &= _BLOCKABLE;
- spin_lock_irq(&current->sighand->siglock);
- current->saved_sigmask = current->blocked;
- siginitset(&current->blocked, mask);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- set_thread_flag(TIF_RESTORE_SIGMASK);
- return -ERESTARTNOHAND;
+ sigset_t blocked;
+ siginitset(&blocked, mask);
+ return sigsuspend(&blocked);
}
/*
@@ -171,11 +161,7 @@ asmlinkage long sys_sigreturn(void)
sizeof(frame->extramask)))
goto badframe;
- sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
if (restore_sigcontext(current_frame(), &frame->sc, &d0))
goto badframe;
@@ -202,11 +188,7 @@ asmlinkage long sys_rt_sigreturn(void)
if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
goto badframe;
- sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
if (restore_sigcontext(current_frame(), &frame->uc.uc_mcontext, &d0))
goto badframe;
@@ -444,8 +426,9 @@ static inline void stepback(struct pt_regs *regs)
*/
static int handle_signal(int sig,
siginfo_t *info, struct k_sigaction *ka,
- sigset_t *oldset, struct pt_regs *regs)
+ struct pt_regs *regs)
{
+ sigset_t *oldset = sigmask_to_save();
int ret;
/* Are we from a system call? */
@@ -475,18 +458,12 @@ static int handle_signal(int sig,
ret = setup_rt_frame(sig, ka, info, oldset, regs);
else
ret = setup_frame(sig, ka, oldset, regs);
+ if (ret)
+ return ret;
- if (ret == 0) {
- spin_lock_irq(&current->sighand->siglock);
- sigorsets(&current->blocked, &current->blocked,
- &ka->sa.sa_mask);
- if (!(ka->sa.sa_flags & SA_NODEFER))
- sigaddset(&current->blocked, sig);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
- }
-
- return ret;
+ signal_delivered(sig, info, ka, regs,
+ test_thread_flag(TIF_SINGLESTEP));
+ return 0;
}
/*
@@ -496,7 +473,6 @@ static void do_signal(struct pt_regs *regs)
{
struct k_sigaction ka;
siginfo_t info;
- sigset_t *oldset;
int signr;
/* we want the common case to go fast, which is why we may in certain
@@ -504,23 +480,9 @@ static void do_signal(struct pt_regs *regs)
if (!user_mode(regs))
return;
- if (test_thread_flag(TIF_RESTORE_SIGMASK))
- oldset = &current->saved_sigmask;
- else
- oldset = &current->blocked;
-
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
if (signr > 0) {
- if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
- /* a signal was successfully delivered; the saved
- * sigmask will have been stored in the signal frame,
- * and will be restored by sigreturn, so we can simply
- * clear the TIF_RESTORE_SIGMASK flag */
- if (test_thread_flag(TIF_RESTORE_SIGMASK))
- clear_thread_flag(TIF_RESTORE_SIGMASK);
-
- tracehook_signal_handler(signr, &info, &ka, regs,
- test_thread_flag(TIF_SINGLESTEP));
+ if (handle_signal(signr, &info, &ka, regs) == 0) {
}
return;
@@ -546,10 +508,7 @@ static void do_signal(struct pt_regs *regs)
/* if there's no signal to deliver, we just put the saved sigmask
* back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
/*
@@ -569,13 +528,11 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags)
}
/* deal with pending signal delivery */
- if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+ if (thread_info_flags & _TIF_SIGPENDING)
do_signal(regs);
if (thread_info_flags & _TIF_NOTIFY_RESUME) {
clear_thread_flag(TIF_NOTIFY_RESUME);
tracehook_notify_resume(current_frame());
- if (current->replacement_session_keyring)
- key_replace_session_keyring();
}
}
diff --git a/arch/mn10300/kernel/smp.c b/arch/mn10300/kernel/smp.c
index 9cd69ad6aa0..090d35d3697 100644
--- a/arch/mn10300/kernel/smp.c
+++ b/arch/mn10300/kernel/smp.c
@@ -924,7 +924,7 @@ void initialize_secondary(void)
* __cpu_up - Set smp_commenced_mask for the nominated CPU
* @cpu: The target CPU.
*/
-int __devinit __cpu_up(unsigned int cpu)
+int __devinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
{
int timeout;
diff --git a/arch/mn10300/kernel/traps.c b/arch/mn10300/kernel/traps.c
index 94a9c6d53e1..b900e5afa0a 100644
--- a/arch/mn10300/kernel/traps.c
+++ b/arch/mn10300/kernel/traps.c
@@ -26,6 +26,7 @@
#include <linux/kdebug.h>
#include <linux/bug.h>
#include <linux/irq.h>
+#include <linux/export.h>
#include <asm/processor.h>
#include <linux/uaccess.h>
#include <asm/io.h>