linux-kernel - Re: [patch 8/8] x86/fpu: Deduplicate copy_xxx_to

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Date:   Thu, 3 Jun 2021 09:56:07 -0700
From:   Andy Lutomirski <luto@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Dave Hansen <dave.hansen@...ux.intel.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Yu-cheng Yu <yu-cheng.yu@...el.com>
Subject: Re: [patch 8/8] x86/fpu: Deduplicate copy_xxx_to_xstate()

On 6/2/21 2:55 AM, Thomas Gleixner wrote:
> copy_user_to_xstate() and copy_kernel_to_xstate() are almost identical
> except for the copy function.
> 
> Unify them.

I keep looking at call sites of these functions and being vaguely
confused.  Maybe copy_to_userabi_xstate() would make the purpose of
these functions clearer?

Otherwise, and even if you don't like my suggestion:

Acked-by: Andy Lutomirski <luto@...nel.org>