linux-kernel - Re: [PATCH v3 03/21] x86/fpu/xstate: Modify address finders to handle both static and dynamic buffers

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Message-ID: <20210115130653.GC11337@zn.tnic>
Date:   Fri, 15 Jan 2021 14:06:53 +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 03/21] x86/fpu/xstate: Modify address finders to
 handle both static and dynamic buffers

On Wed, Dec 23, 2020 at 07:56:59AM -0800, Chang S. Bae wrote:
> diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
> index 6156dad0feb6..2010c31d25e1 100644
> --- a/arch/x86/kernel/fpu/xstate.c
> +++ b/arch/x86/kernel/fpu/xstate.c
> @@ -894,15 +894,24 @@ void fpu__resume_cpu(void)
>   * Given an xstate feature nr, calculate where in the xsave
>   * buffer the state is.  Callers should ensure that the buffer
>   * is valid.
> + *
> + * A null pointer parameter indicates to use init_fpstate.
>   */

kernel-doc style comment pls.

-- 
Regards/Gruss,
    Boris.

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