linux-kernel - Re: [PATCH] x86/fpu: Remove the _GPL from the kernel_fpu

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Message-ID: <20190502165520.GC6565@zn.tnic>
Date:   Thu, 2 May 2019 18:55:20 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Andy Lutomirski <luto@...nel.org>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Greg KH <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Rik van Riel <riel@...riel.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "Jason A. Donenfeld" <Jason@...c4.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>,
        Nicolai Stange <nstange@...e.de>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>, X86 ML <x86@...nel.org>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH] x86/fpu: Remove the _GPL from the kernel_fpu_begin/end()
 export

On Thu, May 02, 2019 at 09:29:01AM -0700, Andy Lutomirski wrote:
> I'm not saying that we should export things for ZFS's benefit.  But,
> as far as I know, _GPL means "this interface is sufficiently specific
> to Linux details that we think that any user must be a derived work".
> I don't think that kernel_fpu_begin() is an example of that.

But it is sufficiently specific. It is present on x86 and s390 only -
other arches don't have it.

-- 
Regards/Gruss,
    Boris.

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