Re: [PATCH 4/9] x86/alternative: Implement .retpoline_sites support

From: Josh Poimboeuf
Date: Wed Oct 13 2021 - 17:13:33 EST


On Wed, Oct 13, 2021 at 02:22:21PM +0200, Peter Zijlstra wrote:
> +#ifdef CONFIG_X86_64
> +
> +/*
> + * CALL/JMP *%\reg
> + */
> +static int emit_indirect(int op, int reg, u8 *bytes)

X86_64 is already equivalent to STACK_VALIDATION these days, but might
as well clarify here where the retpoline_sites dependency comes from by
changing this to '#ifdef CONFIG_STACK_VALIDATION'.

--
Josh