linux_dsm_epyc7002/arch/um/kernel/sysrq.c
Ingo Molnar 3f8c24529b sched/headers: Prepare to move kstack_end() from <linux/sched.h> to <linux/sched/task_stack.h>
But first update the usage sites with the new header dependency.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:39 +01:00

63 lines
1.5 KiB
C

/*
* Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright (C) 2013 Richard Weinberger <richrd@nod.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kallsyms.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/sched/task_stack.h>
#include <asm/sysrq.h>
#include <asm/stacktrace.h>
#include <os.h>
static void _print_addr(void *data, unsigned long address, int reliable)
{
pr_info(" [<%08lx>]", address);
pr_cont(" %s", reliable ? "" : "? ");
print_symbol("%s", address);
pr_cont("\n");
}
static const struct stacktrace_ops stackops = {
.address = _print_addr
};
void show_stack(struct task_struct *task, unsigned long *stack)
{
unsigned long *sp = stack;
struct pt_regs *segv_regs = current->thread.segv_regs;
int i;
if (!segv_regs && os_is_signal_stack()) {
pr_err("Received SIGSEGV in SIGSEGV handler,"
" aborting stack trace!\n");
return;
}
if (!stack)
sp = get_stack_pointer(task, segv_regs);
pr_info("Stack:\n");
stack = sp;
for (i = 0; i < 3 * STACKSLOTS_PER_LINE; i++) {
if (kstack_end(stack))
break;
if (i && ((i % STACKSLOTS_PER_LINE) == 0))
pr_cont("\n");
pr_cont(" %08lx", *stack++);
}
pr_cont("\n");
pr_info("Call Trace:\n");
dump_trace(current, &stackops, NULL);
pr_info("\n");
}