linux-kernel - Re: [PATCH] x86/asm: Remove unused COMPILE

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Message-ID: <20221128124513.76392c3d@gandalf.local.home>
Date:   Mon, 28 Nov 2022 12:45:13 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Vincent MAILHOL <mailhol.vincent@...adoo.fr>
Cc:     kirill.shutemov@...ux.intel.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, hpa@...or.com, jpoimboe@...nel.org,
        linux-kernel@...r.kernel.org, mingo@...hat.com,
        pbonzini@...hat.com, sathyanarayanan.kuppuswamy@...ux.intel.com,
        seanjc@...gle.com, tglx@...utronix.de, viro@...iv.linux.org.uk,
        x86@...nel.org
Subject: Re: [PATCH] x86/asm: Remove unused COMPILE_OFFSETS macro from
 asm-offsets.c

On Mon, 28 Nov 2022 20:30:35 +0900
Vincent MAILHOL <mailhol.vincent@...adoo.fr> wrote:

> > If you are sure <asm/ftrace.h> is never included from asm-offsets.c,
> > remove #ifndef COMPILE_OFFSETS too.  
> 
> It is never included from asm-offsets.c but it is still used by
> kvm-asm-offsets.c:
> https://elixir.bootlin.com/linux/v6.1-rc7/source/arch/x86/kvm/kvm-asm-offsets.c#L7

IIRC, the reason for adding that was because that logic was screwing up
asm-offsets.c. I'm not sure it screws up kvm-asm-offsets.c though.

This is one of those cases I wish I commented that code better :-/

-- Steve