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authorLen Brown <len.brown@intel.com>2005-12-06 17:31:30 -0500
committerLen Brown <len.brown@intel.com>2005-12-06 17:31:30 -0500
commit3d5271f9883cba7b54762bc4fe027d4172f06db7 (patch)
treeab8a881a14478598a0c8bda0d26c62cdccfffd6d /arch/frv/kernel
parent378b2556f4e09fa6f87ff0cb5c4395ff28257d02 (diff)
parent9115a6c787596e687df03010d97fccc5e0762506 (diff)
Pull release into acpica branch
Diffstat (limited to 'arch/frv/kernel')
-rw-r--r--arch/frv/kernel/pm.c1
-rw-r--r--arch/frv/kernel/process.c6
-rw-r--r--arch/frv/kernel/ptrace.c43
-rw-r--r--arch/frv/kernel/semaphore.c2
-rw-r--r--arch/frv/kernel/time.c4
5 files changed, 9 insertions, 47 deletions
diff --git a/arch/frv/kernel/pm.c b/arch/frv/kernel/pm.c
index 1a1e8a119c3..712c3c24c95 100644
--- a/arch/frv/kernel/pm.c
+++ b/arch/frv/kernel/pm.c
@@ -14,6 +14,7 @@
#include <linux/config.h>
#include <linux/init.h>
#include <linux/pm.h>
+#include <linux/pm_legacy.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/sysctl.h>
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 3001b82b151..54a452136f0 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -77,16 +77,20 @@ void (*idle)(void) = core_sleep_idle;
*/
void cpu_idle(void)
{
+ int cpu = smp_processor_id();
+
/* endless idle loop with no priority at all */
while (1) {
while (!need_resched()) {
- irq_stat[smp_processor_id()].idle_timestamp = jiffies;
+ irq_stat[cpu].idle_timestamp = jiffies;
if (!frv_dma_inprogress && idle)
idle();
}
+ preempt_enable_no_resched();
schedule();
+ preempt_disable();
}
}
diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c
index cbe03cba9f0..f953484e7d5 100644
--- a/arch/frv/kernel/ptrace.c
+++ b/arch/frv/kernel/ptrace.c
@@ -106,48 +106,11 @@ void ptrace_enable(struct task_struct *child)
child->thread.frame0->__status |= REG__STATUS_STEP;
}
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
- struct task_struct *child;
unsigned long tmp;
int ret;
- lock_kernel();
- ret = -EPERM;
- if (request == PTRACE_TRACEME) {
- /* are we already being traced? */
- if (current->ptrace & PT_PTRACED)
- goto out;
- ret = security_ptrace(current->parent, current);
- if (ret)
- goto out;
- /* set the ptrace bit in the process flags. */
- current->ptrace |= PT_PTRACED;
- ret = 0;
- 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 */
- goto out_tsk;
-
- if (request == PTRACE_ATTACH) {
- ret = ptrace_attach(child);
- goto out_tsk;
- }
-
- ret = ptrace_check_attach(child, request == PTRACE_KILL);
- if (ret < 0)
- goto out_tsk;
-
switch (request) {
/* when I and D space are separate, these will need to be fixed. */
case PTRACE_PEEKTEXT: /* read word at location addr. */
@@ -351,10 +314,6 @@ asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
ret = -EIO;
break;
}
-out_tsk:
- put_task_struct(child);
-out:
- unlock_kernel();
return ret;
}
diff --git a/arch/frv/kernel/semaphore.c b/arch/frv/kernel/semaphore.c
index 5cba9c1f2b3..7971d680ae2 100644
--- a/arch/frv/kernel/semaphore.c
+++ b/arch/frv/kernel/semaphore.c
@@ -20,7 +20,7 @@ struct sem_waiter {
struct task_struct *task;
};
-#if SEM_DEBUG
+#if SEMAPHORE_DEBUG
void semtrace(struct semaphore *sem, const char *str)
{
if (sem->debug)
diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c
index 8d6558b00e4..2e9741227b7 100644
--- a/arch/frv/kernel/time.c
+++ b/arch/frv/kernel/time.c
@@ -34,9 +34,6 @@
extern unsigned long wall_jiffies;
-u64 jiffies_64 = INITIAL_JIFFIES;
-EXPORT_SYMBOL(jiffies_64);
-
unsigned long __nongprelbss __clkin_clock_speed_HZ;
unsigned long __nongprelbss __ext_bus_clock_speed_HZ;
unsigned long __nongprelbss __res_bus_clock_speed_HZ;
@@ -221,6 +218,7 @@ int do_settimeofday(struct timespec *tv)
clock_was_set();
return 0;
}
+EXPORT_SYMBOL(do_settimeofday);
/*
* Scheduler clock - returns current time in nanosec units.