linux-kernel - Re: Commit 0d989ac2c90b broke my x86-64 build.

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Date:   Mon, 25 Oct 2021 22:01:01 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Rob Landley <rob@...dley.net>,
        Masahiro Yamada <masahiroy@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrii Nakryiko <andrii@...nel.org>
Subject: Re: Commit 0d989ac2c90b broke my x86-64 build.

On Mon, Oct 25, 2021 at 11:59:45AM -0700, Josh Poimboeuf wrote:
> Plus it's a good idea to make the dependencies more explicit.  We've
> already been looking at modularizing, like creating a new CONFIG_OBJTOOL
> option and splitting stack validation out from some of the other
> features.  This could be a nice extension of that.
> 
> Which reminds me, I'm still thinking we need to make the interface more
> easily combinable, like:
> 
> objtool run				\
> 	[--validate]			\
> 	[--noinstr]			\
> 	[--retpoline]			\
> 	[--orc]				\
> 	[--mcount]			\
> 	[--static-call]			\
> 	[--kcov]			\
> 	[--frame-pointer]		\
> 	[--vmlinux]			\
> 	[--uaccess]			\
> 	[--module]			\
> 	[--no-unreachable]		\
> 	[--backup]			\
> 	[--stats]			\
> 	[--backtrace]
> 
> objtool dump				\
> 	[--orc]				\
> 	[--mcount]			\
> 	[--static-call]			\
> 	[--alternatives]		\
> 	[--whatever]
> 
> I can hopefully get to it one of these weeks...

Yes, that would be nice.

Also, unrelated, were you going to do that .fixup cleanup for x86_64 or
should I try and squeeze it in?