[PATCHv3 37/50] unicore32: Remove unused pmode argument in c_backtrace()

From: Dmitry Safonov
Date: Sat Apr 18 2020 - 16:21:40 EST


The pmode parameter isn't used in assembly - remove it.
Second argument will be reused for printk() log level.

Cc: Guan Xuetao <gxt@xxxxxxxxxx>
Signed-off-by: Dmitry Safonov <dima@xxxxxxxxxx>
---
arch/unicore32/kernel/setup.h | 2 +-
arch/unicore32/kernel/traps.c | 14 +++++---------
2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/arch/unicore32/kernel/setup.h b/arch/unicore32/kernel/setup.h
index e40d3603c7e7..03e70e37f472 100644
--- a/arch/unicore32/kernel/setup.h
+++ b/arch/unicore32/kernel/setup.h
@@ -29,7 +29,7 @@ extern void kernel_thread_helper(void);
extern void __init early_signal_init(void);

extern asmlinkage void __backtrace(void);
-extern asmlinkage void c_backtrace(unsigned long fp, int pmode);
+extern asmlinkage void c_backtrace(unsigned long fp);

extern void __show_regs(struct pt_regs *);

diff --git a/arch/unicore32/kernel/traps.c b/arch/unicore32/kernel/traps.c
index e24f67283864..3682a4c5d927 100644
--- a/arch/unicore32/kernel/traps.c
+++ b/arch/unicore32/kernel/traps.c
@@ -137,7 +137,7 @@ static void dump_instr(const char *lvl, struct pt_regs *regs)

static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
{
- unsigned int fp, mode;
+ unsigned int fp;
int ok = 1;

printk(KERN_DEFAULT "Backtrace: ");
@@ -145,16 +145,12 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
if (!tsk)
tsk = current;

- if (regs) {
+ if (regs)
fp = regs->UCreg_fp;
- mode = processor_mode(regs);
- } else if (tsk != current) {
+ else if (tsk != current)
fp = thread_saved_fp(tsk);
- mode = 0x10;
- } else {
+ else
asm("mov %0, fp" : "=r" (fp) : : "cc");
- mode = 0x10;
- }

if (!fp) {
printk("no frame pointer");
@@ -167,7 +163,7 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
printk("\n");

if (ok)
- c_backtrace(fp, mode);
+ c_backtrace(fp);
}

void show_stack(struct task_struct *tsk, unsigned long *sp)
--
2.26.0