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Diffstat (limited to 'arch/score/kernel')
-rw-r--r--arch/score/kernel/entry.S4
-rw-r--r--arch/score/kernel/process.c22
-rw-r--r--arch/score/kernel/traps.c12
-rw-r--r--arch/score/kernel/vmlinux.lds.S1
4 files changed, 7 insertions, 32 deletions
diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S
index 7234ed09b7b..befb87d30a8 100644
--- a/arch/score/kernel/entry.S
+++ b/arch/score/kernel/entry.S
@@ -264,7 +264,7 @@ resume_kernel:
disable_irq
lw r8, [r28, TI_PRE_COUNT]
cmpz.c r8
- bne r8, restore_all
+ bne restore_all
need_resched:
lw r8, [r28, TI_FLAGS]
andri.c r9, r8, _TIF_NEED_RESCHED
@@ -415,7 +415,7 @@ ENTRY(handle_sys)
sw r9, [r0, PT_EPC]
cmpi.c r27, __NR_syscalls # check syscall number
- bgeu illegal_syscall
+ bcs illegal_syscall
slli r8, r27, 2 # get syscall routine
la r11, sys_call_table
diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
index 79568466b57..a1519ad3d49 100644
--- a/arch/score/kernel/process.c
+++ b/arch/score/kernel/process.c
@@ -41,24 +41,6 @@ void machine_halt(void) {}
/* If or when software machine-power-off is implemented, add code here. */
void machine_power_off(void) {}
-/*
- * The idle thread. There's no useful work to be
- * done, so just try to conserve power and have a
- * low exit latency (ie sit in a loop waiting for
- * somebody to say that they'd like to reschedule)
- */
-void __noreturn cpu_idle(void)
-{
- /* endless idle loop with no priority at all */
- while (1) {
- rcu_idle_enter();
- while (!need_resched())
- barrier();
- rcu_idle_exit();
- schedule_preempt_disabled();
- }
-}
-
void ret_from_fork(void);
void ret_from_kernel_thread(void);
@@ -96,8 +78,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
p->thread.reg0 = (unsigned long) childregs;
if (unlikely(p->flags & PF_KTHREAD)) {
memset(childregs, 0, sizeof(struct pt_regs));
- p->thread->reg12 = usp;
- p->thread->reg13 = arg;
+ p->thread.reg12 = usp;
+ p->thread.reg13 = arg;
p->thread.reg3 = (unsigned long) ret_from_kernel_thread;
} else {
*childregs = *current_pt_regs();
diff --git a/arch/score/kernel/traps.c b/arch/score/kernel/traps.c
index 0e46fb19a84..1517a7dcd6d 100644
--- a/arch/score/kernel/traps.c
+++ b/arch/score/kernel/traps.c
@@ -117,6 +117,8 @@ static void show_code(unsigned int *pc)
*/
void show_regs(struct pt_regs *regs)
{
+ show_regs_print_info(KERN_DEFAULT);
+
printk("r0 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
regs->regs[0], regs->regs[1], regs->regs[2], regs->regs[3],
regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);
@@ -149,16 +151,6 @@ static void show_registers(struct pt_regs *regs)
printk(KERN_NOTICE "\n");
}
-/*
- * The architecture-independent dump_stack generator
- */
-void dump_stack(void)
-{
- show_stack(current_thread_info()->task,
- (long *) get_irq_regs()->regs[0]);
-}
-EXPORT_SYMBOL(dump_stack);
-
void __die(const char *str, struct pt_regs *regs, const char *file,
const char *func, unsigned long line)
{
diff --git a/arch/score/kernel/vmlinux.lds.S b/arch/score/kernel/vmlinux.lds.S
index eebcbaa4e97..7274b5c4287 100644
--- a/arch/score/kernel/vmlinux.lds.S
+++ b/arch/score/kernel/vmlinux.lds.S
@@ -49,6 +49,7 @@ SECTIONS
}
. = ALIGN(16);
+ _sdata = .; /* Start of data section */
RODATA
EXCEPTION_TABLE(16)