linux-kernel - Re: [PATCH 2/2] x86/fpu: Support disabling AVX and AVX512

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Message-ID: <alpine.DEB.2.20.1703121830140.3842@nanos>
Date:   Sun, 12 Mar 2017 18:30:46 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Andi Kleen <ak@...ux.intel.com>
cc:     Andi Kleen <andi@...stfloor.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] x86/fpu: Support disabling AVX and AVX512

On Sat, 11 Mar 2017, Andi Kleen wrote:

> On Sat, Mar 11, 2017 at 11:46:37AM +0100, Thomas Gleixner wrote:
> > > +enum xsave_features {
> > > +	XSAVE_X87,
> > > +	XSAVE_SSE,
> > > +	XSAVE_AVX,
> > > +	XSAVE_MPX_BOUNDS,
> > > +	XSAVE_MPX_CSR,
> > > +	XSAVE_AVX512_OPMASK,
> > > +	XSAVE_AVX512_HI256,
> > > +	XSAVE_AVX512_ZMM_HI256,
> > > +	XSAVE_PT,
> > > +	XSAVE_PKU,
> > > +	XSAVE_UNKNOWN
> > > +};
> > 
> > What's that enum for? It's unused ....
> 
> It's not.  The disable functions use it (although only the AVX parts)

Sorry, misread it.

Thanks,

	tglx