[MODERATED] Re: [PATCH 7/9] TAA 7

On Wed, Oct 23, 2019 at 12:28:57PM +0200, speck for Pawan Gupta wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index ad6b69057bb0..e1aca10f2a7f 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -4856,6 +4856,11 @@
>  
>  			on	- Enable TSX on the system.
>  			off	- Disable TSX on the system.
> +			auto	- Disable TSX if X86_BUG_TAA is present,

Not quite true, since MDS-affected parts don't have the new microcode
bits to disable TSX.

> +				  otherwise enable TSX on the system.
> +
> +			More details on X86_BUG_TAA here:
> +			Documentation/admin-guide/hw-vuln/tsx_async_abort.rst
>  
>  			Not specifying this option is equivalent to tsx=off.

-- 
Josh