linux-kernel - RE: [patch 13/31] x86/fpu: Move KVMs FPU swapping to FPU core

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Message-ID: <87zgrb69fp.ffs@tglx>
Date:   Thu, 14 Oct 2021 15:08:10 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Liu, Jing2" <jing2.liu@...el.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     "x86@...nel.org" <x86@...nel.org>,
        "Bae, Chang Seok" <chang.seok.bae@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "Nakajima, Jun" <jun.nakajima@...el.com>,
        Jing Liu <jing2.liu@...ux.intel.com>,
        "seanjc@...gle.com" <seanjc@...gle.com>
Subject: RE: [patch 13/31] x86/fpu: Move KVMs FPU swapping to FPU core

On Thu, Oct 14 2021 at 08:21, Jing2 Liu wrote:
>> 
>> Once that is sorted then we can create proper infrastructure for that in the
>> FPU core code and not just expose a random function to KVM and hack it into
>> submssion.
> Yes, we need a consensus on the way we choose and then to see if need a
> kernel function for KVM usage.

The question is not 'if'. The question is 'which' functionality we need.

Thanks,

        tglx