[PATCH v3 4/4] arc: Use generic dump_stack_print_cmdline() implementation

From: Helge Deller
Date: Mon Aug 08 2022 - 09:10:04 EST


The process program name and command line is now shown in generic code
in dump_stack_print_info(), so drop the arc-specific implementation.

Signed-off-by: Helge Deller <deller@xxxxxx>
---
arch/arc/kernel/troubleshoot.c | 24 ------------------------
1 file changed, 24 deletions(-)

diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c
index 7654c2e42dc0..9807e590ee55 100644
--- a/arch/arc/kernel/troubleshoot.c
+++ b/arch/arc/kernel/troubleshoot.c
@@ -51,29 +51,6 @@ static void print_regs_callee(struct callee_regs *regs)
regs->r24, regs->r25);
}

-static void print_task_path_n_nm(struct task_struct *tsk)
-{
- char *path_nm = NULL;
- struct mm_struct *mm;
- struct file *exe_file;
- char buf[ARC_PATH_MAX];
-
- mm = get_task_mm(tsk);
- if (!mm)
- goto done;
-
- exe_file = get_mm_exe_file(mm);
- mmput(mm);
-
- if (exe_file) {
- path_nm = file_path(exe_file, buf, ARC_PATH_MAX-1);
- fput(exe_file);
- }
-
-done:
- pr_info("Path: %s\n", !IS_ERR(path_nm) ? path_nm : "?");
-}
-
static void show_faulting_vma(unsigned long address)
{
struct vm_area_struct *vma;
@@ -176,7 +153,6 @@ void show_regs(struct pt_regs *regs)
*/
preempt_enable();

- print_task_path_n_nm(tsk);
show_regs_print_info(KERN_INFO);

show_ecr_verbose(regs);
--
2.37.1