linux-kernel - Re: [PATCH 2/4] x86/ibt: Implement FineIBT

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Message-ID: <Y1pZUQtrSET7DTXy@hirez.programming.kicks-ass.net>
Date:   Thu, 27 Oct 2022 12:11:29 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Joao Moreira <joao@...rdrivepizza.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH 2/4] x86/ibt: Implement FineIBT

On Thu, Oct 27, 2022 at 11:28:14AM +0200, Peter Zijlstra wrote:
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -256,6 +256,7 @@ objtool-args-$(CONFIG_HAVE_JUMP_LABEL_HA
>  objtool-args-$(CONFIG_HAVE_NOINSTR_HACK)		+= --hacks=noinstr
>  objtool-args-$(CONFIG_CALL_DEPTH_TRACKING)		+= --hacks=skylake
>  objtool-args-$(CONFIG_X86_KERNEL_IBT)			+= --ibt
> +objtool-args-$(CONFIG_FINEIBT)                          += --cfi
>  objtool-args-$(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL)	+= --mcount
>  objtool-args-$(CONFIG_UNWINDER_ORC)			+= --orc
>  objtool-args-$(CONFIG_RETPOLINE)			+= --retpoline

I seem to have lost a refresh; consider that whitespace fail fixed.