Re: [PATCH v6 3/3] x86: paravirt: make native_save_fl extern inline
From: Ingo Molnar
Date: Thu Jun 21 2018 - 22:26:07 EST
* Nick Desaulniers <ndesaulniers@xxxxxxxxxx> 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