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Date: Fri, 9 Sep 2016 16:40:44 +0200 (CEST)
From: Thomas Gleixner <tglx@linutronix.de>
To: Ingo Molnar <mingo@kernel.org>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>, x86@kernel.org,
        Ingo Molnar <mingo@redhat.com>, Toshi Kani <toshi.kani@hpe.com>,
        Denys Vlasenko <dvlasenk@redhat.com>, Borislav Petkov <bp@suse.de>,
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        Steffen Persvold <sp@numascale.com>, Alex Thorlton <athorlton@sgi.com>,
        Wei Jiangang <weijg.fnst@cn.fujitsu.com>
Subject: Re: [PATCH] x86: squash lines for simple wrapper functions
In-Reply-To: <20160908063359.GB24253@gmail.com>
Message-ID: <alpine.DEB.2.20.1609091639020.5679@nanos>
References: <1473161053-10068-1-git-send-email-yamada.masahiro@socionext.com> <20160908063359.GB24253@gmail.com>
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On Thu, 8 Sep 2016, Ingo Molnar wrote:
> * Masahiro Yamada <yamada.masahiro@socionext.com> wrote:
> >  static unsigned long set_apic_id(unsigned int id)
> >  {
> > -	unsigned long x;
> > -
> >  	/* maskout x2apic_extra_bits ? */
> > -	x = id;
> > -	return x;
> > +	return id;
> >  }
> 
> This was clearly left there to document a quirk and as a placeholder for future 
> changes.

Keeping the comment and rewording it to:

	/* CHECKME: Do we need to mask out the xapic extra bits */

should be good enough. The variable dance is not really giving any value.

Thanks,

	tglx