linux-kernel - Re: [PATCH 1/5] x86: Implement _

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Message-ID: <7cddf309-be53-c556-0919-dfa23ad0512e@linux.intel.com>
Date:   Tue, 21 Mar 2017 08:17:54 -0700
From:   Arjan van de Ven <arjan@...ux.intel.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     mingo@...nel.org, tglx@...utronix.de, hpa@...or.com,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        bp@...en8.de, richard.weinberger@...il.com
Subject: Re: [PATCH 1/5] x86: Implement __WARN using UD0

On 3/21/2017 8:14 AM, Peter Zijlstra wrote:
> For self-documentation purposes, maybe use a define for the length of
> the ud0 instruction?

#define TWO 2

;-)


some things make sense as a define, others don't
(adding a comment, maybe)