linux-kernel - Re: [PATCH v10 3/5] x86/fpu: Parse clearcpuid= as early XSAVE argument

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Message-ID: <20171017151920.3tpirpa2edievfiz@gmail.com>
Date:   Tue, 17 Oct 2017 17:19:20 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Andi Kleen <andi@...stfloor.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH v10 3/5] x86/fpu: Parse clearcpuid= as early XSAVE
 argument


* Thomas Gleixner <tglx@...utronix.de> wrote:

> On Fri, 13 Oct 2017, Andi Kleen wrote:
> 
> > From: Andi Kleen <ak@...ux.intel.com>
> > 
> > With a followon patch we want to make clearcpuid affect the XSAVE
> > configuration. But xsave is currently initialized before arguments
> > are parsed. Move the clearcpuid= parsing into the special
> > early xsave argument parsing code.
> > 
> > Since clearcpuid= contains a = we need to keep the old __setup
> > around as a dummy, otherwise it would end up as a environment
> > variable in init's environment.
> > 
> > Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> 
> Reviewed-by: Thomas Gleixner <tglx@...utronix.de>

Thanks guys, I have applied the five patches to tip:x86/fpu and will push it all 
out once it's gone through a bit of testing.

Thanks,

	Ingo