Re: [PATCH 06/11] x86/alternative: Simplify callthunk patching

[Josh Poimboeuf]

On Fri, Feb 07, 2025 at 01:15:35PM +0100, Peter Zijlstra wrote:
> +++ b/arch/x86/kernel/alternative.c
> @@ -1697,14 +1697,14 @@ void __init alternative_instructions(voi
>  	apply_retpolines(__retpoline_sites, __retpoline_sites_end);
>  	apply_returns(__return_sites, __return_sites_end);
>  
> -	apply_alternatives(__alt_instructions, __alt_instructions_end);
> -
>  	/*
> -	 * Now all calls are established. Apply the call thunks if
> -	 * required.
> +	 * Adjust all CALL instructions to point to func()-10, including
> +	 * those in .altinstr_replacement.

Clarify 10 is hex: "func()-0x10" ?

-- 
Josh