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SubjectRe: [Patch v5 11/16] x86/speculation: Add Spectre v2 app to app protection modes
On Fri, 16 Nov 2018, Tim Chen wrote:

> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 81d1d5a..9c306e3 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -4215,6 +4215,26 @@
> Not specifying this option is equivalent to
> spectre_v2=auto.
>
> + spectre_v2_app2app=
> + [X86] Control mitigation of Spectre variant 2
> + application to application (indirect branch speculation)
> + vulnerability.
> +
> + off - Unconditionally disable mitigations
> + lite - Protect tasks which have requested restricted
> + indirect branch speculation via the
> + PR_SET_SPECULATION_CTRL prctl().

Don't we also want to do the same for SECCOMP processess, analogically how
we do it for SSBD?

Thanks,

--
Jiri Kosina
SUSE Labs

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