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Subject: Re: [PATCH -next] Documentation/hw-vuln: Update spectre doc
To:     <corbet@lwn.net>, <bp@suse.de>, <keescook@chromium.org>,
        <aarcange@redhat.com>, <daniel.sneddon@linux.intel.com>,
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References: <20220830123614.23007-1-linyujun809@huawei.com>
From:   "linyujun (C)" <linyujun809@huawei.com>
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kindly ping

On 2022/8/30 20:36, Lin Yujun writed:
> commit 7c693f54c873691 ("x86/speculation: Add spectre_v2=ibrs
> option to support Kernel IBRS") adds the "ibrs " option  in
> Documentation/admin-guide/kernel-parameters.txt but omits it to
> Documentation/admin-guide/hw-vuln/spectre.rst, add it.
>
> Signed-off-by: Lin Yujun <linyujun809@huawei.com>
> ---
>   Documentation/admin-guide/hw-vuln/spectre.rst | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst
> index 2ce2a38cdd55..c4dcdb3d0d45 100644
> --- a/Documentation/admin-guide/hw-vuln/spectre.rst
> +++ b/Documentation/admin-guide/hw-vuln/spectre.rst
> @@ -613,6 +613,7 @@ kernel command line.
>                   eibrs                   enhanced IBRS
>                   eibrs,retpoline         enhanced IBRS + Retpolines
>                   eibrs,lfence            enhanced IBRS + LFENCE
> +                ibrs                    use IBRS to protect kernel
>   
>   		Not specifying this option is equivalent to
>   		spectre_v2=auto.