Linux Virtualization - Jun 2018 - [PATCH v6 3/3] x86: paravirt: make native_save_fl extern inline

* Nick Desaulniers <ndesaulniers at google.com> wrote:
> native_save_fl() is marked static inline, but by using it as
> a function pointer in arch/x86/kernel/paravirt.c, it MUST be outlined.
> --- a/arch/x86/include/asm/irqflags.h
> +++ b/arch/x86/include/asm/irqflags.h
> @@ -13,7 +13,7 @@
>   * Interrupt control:
>   */
>  
> -static inline unsigned long native_save_fl(void)
> +extern inline unsigned long native_save_fl(void)
>  {
>  	unsigned long flags;
>  
What's the code generation effect of this on say a defconfig kernel vmlinux
with
paravirt enabled?

Thanks,

	Ingo