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| author | Dmitry Safonov <dima@arista.com> | 2020-06-08 21:31:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-09 09:39:12 -0700 |
| commit | ee1e99009e914e4150774f5a717c179545c7699e (patch) | |
| tree | c0fee7a569f43682a9dfb2ae940764779a1d0ddc /arch/unicore32 | |
| parent | 1ad87824f4cf16a7f381e1f94943a96bb7a99062 (diff) | |
| download | linux-ee1e99009e914e4150774f5a717c179545c7699e.tar.gz linux-ee1e99009e914e4150774f5a717c179545c7699e.tar.bz2 linux-ee1e99009e914e4150774f5a717c179545c7699e.zip | |
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>
Diffstat (limited to 'arch/unicore32')
| -rw-r--r-- | arch/unicore32/kernel/setup.h | 2 | ||||
| -rw-r--r-- | 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) |