linux-kernel - Re: [PATCH] checkpatch: Check for .byte-spelled insn opcodes documentation on x86

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Date:   Mon, 12 Oct 2020 08:02:06 -0700
From:   Joe Perches <joe@...ches.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     X86 ML <x86@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>,
        Andy Whitcroft <apw@...onical.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] checkpatch: Check for .byte-spelled insn opcodes
 documentation on x86

On Mon, 2020-10-12 at 16:21 +0200, Borislav Petkov wrote:
> On Sat, Oct 10, 2020 at 09:47:59AM -0700, Joe Perches wrote:
> > > '/\s*\.byte\s+(?:0x[0-9a-f]{1,2}[\s,]*){2,}/i'
> >     ^^^                                       ^
> > now useless without the "
>
> There are \.byte specifications without " so not useless.

Matching optional leading spaces is useless.