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authorDmitry Safonov <dima@arista.com>2020-06-08 21:31:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-09 09:39:12 -0700
commitee1e99009e914e4150774f5a717c179545c7699e (patch)
treec0fee7a569f43682a9dfb2ae940764779a1d0ddc
parent1ad87824f4cf16a7f381e1f94943a96bb7a99062 (diff)
downloadlinux-stericsson-ee1e99009e914e4150774f5a717c179545c7699e.tar.gz
unicore32: remove unused pmode argument in c_backtrace()
The pmode parameter isn't used in assembly - remove it. Second argument will be reused for printk() log level. Signed-off-by: Dmitry Safonov <dima@arista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Link: http://lkml.kernel.org/r/20200418201944.482088-38-dima@arista.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/unicore32/kernel/setup.h2
-rw-r--r--arch/unicore32/kernel/traps.c14
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)