linux-kernel - Re: [PATCH v3 04/21] x86/fpu/xstate: Modify context switch helpers to handle both static and dynamic buffers

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Date:   Fri, 15 Jan 2021 14:18:02 +0100
From:   Borislav Petkov <bp@...e.de>
To:     "Chang S. Bae" <chang.seok.bae@...el.com>
Cc:     luto@...nel.org, tglx@...utronix.de, mingo@...nel.org,
        x86@...nel.org, len.brown@...el.com, dave.hansen@...el.com,
        jing2.liu@...el.com, ravi.v.shankar@...el.com,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH v3 04/21] x86/fpu/xstate: Modify context switch helpers
 to handle both static and dynamic buffers

On Wed, Dec 23, 2020 at 07:57:00AM -0800, Chang S. Bae wrote:
> In preparation for dynamic xstate buffer expansion, update the xstate
> restore function parameters to equally handle static in-line xstate buffer,
> as well as dynamically allocated xstate buffer.

Ok, I see what you've done: you've slightly changed that same
formulation depending on what the patch is doing. I need to read very
carefully.

What I would've written is:

"Have all functions handling FPU state take a struct fpu * pointer in
preparation for dynamic state buffer support."

Plain and simple.

-- 
Regards/Gruss,
    Boris.

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