On Thu, 20 Jun 2019 18:19:32 -0700
Matthew Garrett <[email protected]> wrote:

> From: David Howells <[email protected]>
> 
> The testmmiotrace module shouldn't be permitted when the kernel is locked
> down as it can be used to arbitrarily read and write MMIO space. This is
> a runtime check rather than buildtime in order to allow configurations
> where the same kernel may be run in both locked down or permissive modes
> depending on local policy.
> 
> Suggested-by: Thomas Gleixner <[email protected]>
> Signed-off-by: David Howells <[email protected]
> Signed-off-by: Matthew Garrett <[email protected]>
> cc: Thomas Gleixner <[email protected]>

Acked-by: Steven Rostedt (VMware) <[email protected]>

-- Steve

> cc: Ingo Molnar <[email protected]>
> cc: "H. Peter Anvin" <[email protected]>
> cc: [email protected]
> ---

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