Re: [patch V2 27/28] x86/speculation: Add seccomp Spectre v2 user space protection mode

[Randy Dunlap]

Hi,

Can you alter this without publishing a v3?
(see below)

On 11/25/18 10:33 AM, Thomas Gleixner wrote:
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -4241,9 +4241,16 @@
>  				  per thread.  The mitigation control state
>  				  is inherited on fork.
>  
> +			seccomp
> +				- Same as "prctl" above, but all seccomp
> +				  threads will enable the mitigation unless
> +				  they explicitly opt out.
> +
>  			auto    - Kernel selects the mitigation depending on
>  				  the available CPU features and vulnerability.
> -				  Default is prctl.
> +
> +			Default mitigation:
> +			If CONFIG_SECCOMP=y "seccomp", otherwise "prctl"

			If CONFIG_SECCOMP=y then "seccomp", otherwise "prctl".

>  
>  			Not specifying this option is equivalent to
>  			spectre_v2_user=auto.

g'day.
-- 
~Randy