Contributors: 19
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Don Zickus |
95 |
57.58% |
7 |
28.00% |
| Steven Rostedt |
16 |
9.70% |
1 |
4.00% |
| Chris Metcalf |
15 |
9.09% |
1 |
4.00% |
| Russell King |
8 |
4.85% |
1 |
4.00% |
| Masami Hiramatsu |
4 |
2.42% |
1 |
4.00% |
| Michel Lespinasse |
3 |
1.82% |
1 |
4.00% |
| Andi Kleen |
3 |
1.82% |
1 |
4.00% |
| Doug Anderson |
3 |
1.82% |
1 |
4.00% |
| Ingo Molnar |
3 |
1.82% |
1 |
4.00% |
| Mandeep Singh Baines |
3 |
1.82% |
1 |
4.00% |
| Glauber de Oliveira Costa |
2 |
1.21% |
1 |
4.00% |
| Rakib Mullick |
2 |
1.21% |
1 |
4.00% |
| Dave Jones |
2 |
1.21% |
1 |
4.00% |
| Paul Gortmaker |
1 |
0.61% |
1 |
4.00% |
| Thomas Gleixner |
1 |
0.61% |
1 |
4.00% |
| Linus Torvalds |
1 |
0.61% |
1 |
4.00% |
| Nicholas Piggin |
1 |
0.61% |
1 |
4.00% |
| Dave Hansen |
1 |
0.61% |
1 |
4.00% |
| Greg Kroah-Hartman |
1 |
0.61% |
1 |
4.00% |
| Total |
165 |
|
25 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* HW NMI watchdog support
*
* started by Don Zickus, Copyright (C) 2010 Red Hat, Inc.
*
* Arch specific calls to support NMI watchdog
*
* Bits copied from original nmi.c file
*
*/
#include <linux/thread_info.h>
#include <asm/apic.h>
#include <asm/nmi.h>
#include <linux/cpumask.h>
#include <linux/kdebug.h>
#include <linux/notifier.h>
#include <linux/kprobes.h>
#include <linux/nmi.h>
#include <linux/init.h>
#include <linux/delay.h>
#include "local.h"
#ifdef CONFIG_HARDLOCKUP_DETECTOR_PERF
u64 hw_nmi_get_sample_period(int watchdog_thresh)
{
return (u64)(cpu_khz) * 1000 * watchdog_thresh;
}
#endif
#ifdef arch_trigger_cpumask_backtrace
static void nmi_raise_cpu_backtrace(cpumask_t *mask)
{
__apic_send_IPI_mask(mask, NMI_VECTOR);
}
void arch_trigger_cpumask_backtrace(const cpumask_t *mask, int exclude_cpu)
{
nmi_trigger_cpumask_backtrace(mask, exclude_cpu,
nmi_raise_cpu_backtrace);
}
static int nmi_cpu_backtrace_handler(unsigned int cmd, struct pt_regs *regs)
{
if (nmi_cpu_backtrace(regs))
return NMI_HANDLED;
return NMI_DONE;
}
NOKPROBE_SYMBOL(nmi_cpu_backtrace_handler);
static int __init register_nmi_cpu_backtrace_handler(void)
{
register_nmi_handler(NMI_LOCAL, nmi_cpu_backtrace_handler,
0, "arch_bt");
return 0;
}
early_initcall(register_nmi_cpu_backtrace_handler);
#endif