linux-kernel - Re: [PATCH 04/11] x86, fpu: remove xfeature

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Date:	Fri, 28 Aug 2015 07:06:31 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Dave Hansen <dave@...1.net>
Cc:	dave.hansen@...ux.intel.com, mingo@...hat.com, x86@...nel.org,
	bp@...en8.de, fenghua.yu@...el.com, tim.c.chen@...ux.intel.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/11] x86, fpu: remove xfeature_nr


* Dave Hansen <dave@...1.net> wrote:

> 
> From: Dave Hansen <dave.hansen@...ux.intel.com>
> 
> xfeature_nr ended up being initialized too late for me to
> use it in the "xsave size sanity check" patch which is
> later in the series.  I tried to move around its initialization
> but realized that it was just as easy to get rid of it.
> 
> We only have 9 XFEATURES.  Instead of dynamically calculating
> and storing the last feature, just use the compile-time max:
> XFEATURES_NR_MAX.  Note that even with 'xfeatures_nr' we can
> had "holes" in the xfeatures_mask that we had to deal with.

s/we can had/we can have

Thanks,

	Ingo
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