]> Git Repo - J-linux.git/blob - arch/um/kernel/sysrq.c
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / arch / um / kernel / sysrq.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4  * Copyright (C) 2013 Richard Weinberger <[email protected]>
5  */
6
7 #include <linux/kallsyms.h>
8 #include <linux/kernel.h>
9 #include <linux/module.h>
10 #include <linux/sched.h>
11 #include <linux/sched/debug.h>
12 #include <linux/sched/task_stack.h>
13
14 #include <asm/stacktrace.h>
15 #include <os.h>
16
17 static void _print_addr(void *data, unsigned long address, int reliable)
18 {
19         const char *loglvl = data;
20
21         printk("%s [<%08lx>] %s%pS\n", loglvl, address, reliable ? "" : "? ",
22                 (void *)address);
23 }
24
25 static const struct stacktrace_ops stackops = {
26         .address = _print_addr
27 };
28
29 void show_stack(struct task_struct *task, unsigned long *stack,
30                        const char *loglvl)
31 {
32         struct pt_regs *segv_regs = current->thread.segv_regs;
33         int i;
34
35         if (!stack)
36                 stack = get_stack_pointer(task, segv_regs);
37
38         printk("%sStack:\n", loglvl);
39         for (i = 0; i < 3 * STACKSLOTS_PER_LINE; i++) {
40                 if (kstack_end(stack))
41                         break;
42                 if (i && ((i % STACKSLOTS_PER_LINE) == 0))
43                         pr_cont("\n");
44                 pr_cont(" %08lx", READ_ONCE_NOCHECK(*stack));
45                 stack++;
46         }
47
48         printk("%sCall Trace:\n", loglvl);
49         dump_trace(task ?: current, &stackops, (void *)loglvl);
50 }
This page took 0.028011 seconds and 4 git commands to generate.