Re: [tip: x86/apic] smp: Provide 'setup_max_cpus' definition on UP too

From: Thomas Gleixner
Date: Mon Feb 26 2024 - 13:19:40 EST


On Mon, Feb 26 2024 at 11:48, tip-bot2 for Ingo Molnar wrote:
> --- a/include/linux/smp.h
> +++ b/include/linux/smp.h
> @@ -218,6 +218,8 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func,
> static inline void kick_all_cpus_sync(void) { }
> static inline void wake_up_all_idle_cpus(void) { }
>
> +static const unsigned int setup_max_cpus = 0;

Oops. I missed that when looking at the patch. This is in a header file
and will be instantiated a gazillion times where ever the header is
included. It want's to be a define, no?

Thanks,

tglx
---
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -218,7 +218,7 @@ smp_call_function_any(const struct cpuma
static inline void kick_all_cpus_sync(void) { }
static inline void wake_up_all_idle_cpus(void) { }

-static const unsigned int setup_max_cpus = 0;
+#define setup_max_cpus (0)

#ifdef CONFIG_UP_LATE_INIT
extern void __init up_late_init(void);