linux-kernel - Re: [patch 2/3] x86/fpu: Rename irq_fpu

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Message-ID: <Ym/jZBSTWzoiUYDt@zn.tnic>
Date:   Mon, 2 May 2022 15:57:56 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Filipe Manana <fdmanana@...e.com>
Subject: Re: [patch 2/3] x86/fpu: Rename irq_fpu_usable()

On Sun, May 01, 2022 at 09:31:45PM +0200, Thomas Gleixner wrote:
> --- a/arch/x86/kernel/fpu/core.c
> +++ b/arch/x86/kernel/fpu/core.c
> @@ -49,11 +49,12 @@ static DEFINE_PER_CPU(bool, in_kernel_fp
>   */
>  DEFINE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx);
>  
> -/*
> - * Can we use the FPU in kernel mode with the
> - * whole "kernel_fpu_begin/end()" sequence?
> +/**
> + * kernel_fpu_usable - Check whether kernel FPU usage is possible
> + *
> + * Has to be invoked before calling kernel_fpu_begin().
>   */

Ah, there it is.

Reviewed-by: Borislav Petkov <bp@...e.de>

-- 
Regards/Gruss,
    Boris.

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