We found these warnings in kernel/panic.c by using sparse tool: warning: symbol 'panic_smp_self_stop' was not declared. warning: symbol 'nmi_panic_self_stop' was not declared. warning: symbol 'crash_smp_send_stop' was not declared.
To avoid them, add declarations for these three functions in include/linux/smp.h. Reported-by: Hulk Robot <[email protected]> Signed-off-by: He Ying <[email protected]> --- V1->V2: - fix some misspellings include/linux/smp.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/smp.h b/include/linux/smp.h index 70c6f6284dcf..27008a1c8111 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -50,6 +50,14 @@ extern unsigned int total_cpus; int smp_call_function_single(int cpuid, smp_call_func_t func, void *info, int wait); +/* + * Cpus stopping functions in panic. All have default weak definitions. + * Architecture-dependent code may override them. + */ +void panic_smp_self_stop(void); +void nmi_panic_self_stop(struct pt_regs *regs); +void crash_smp_send_stop(void); + /* * Call a function on all processors */ -- 2.17.1
