diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-23 09:28:37 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-23 09:28:37 -0800 |
| commit | 525445efacdfeed71329ce8bc5f558859a894b8b (patch) | |
| tree | 6cdf76560eae119b561bade1846dffa3b182da21 /include | |
| parent | 192a5e0a19712a079f456954c203ce9dd2b889fa (diff) | |
| parent | 344da544f177f919cf6919e5abcd388f27aa53db (diff) | |
Merge tag 'nmi.2023.02.14a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull x86 NMI diagnostics from Paul McKenney:
"Add diagnostics to the x86 NMI handler to help detect NMI-handler bugs
on the one hand and failing hardware on the other"
* tag 'nmi.2023.02.14a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
x86/nmi: Print reasons why backtrace NMIs are ignored
x86/nmi: Accumulate NMI-progress evidence in exc_nmi()
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nmi.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/nmi.h b/include/linux/nmi.h index f700ff2df074..048c0b9aa623 100644 --- a/include/linux/nmi.h +++ b/include/linux/nmi.h @@ -214,4 +214,12 @@ int proc_watchdog_cpumask(struct ctl_table *, int, void *, size_t *, loff_t *); #include <asm/nmi.h> #endif +#ifdef CONFIG_NMI_CHECK_CPU +void nmi_backtrace_stall_snap(const struct cpumask *btp); +void nmi_backtrace_stall_check(const struct cpumask *btp); +#else +static inline void nmi_backtrace_stall_snap(const struct cpumask *btp) {} +static inline void nmi_backtrace_stall_check(const struct cpumask *btp) {} +#endif + #endif |