On Wed, 2019-10-09 at 16:29 -0700, speck for Pawan Gupta wrote:
> Add the documenation for TSX Async Abort. Include the description of
> the issue, how to check the mitigation state, control the mitigation,
> guidance for system administrators.
[...]
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
[...]
> @@ -4656,6 +4658,40 @@
>  			neutralize any effect of /proc/sys/kernel/sysrq.
>  			Useful for debugging.
>  
> +	tsx_async_abort= [X86,INTEL] Control mitigation for the TSX Async
> +			Abort (TAA) vulnerability.
[...]
>  	tcpmhash_entries= [KNL,NET]
>  			Set the number of tcp_metrics_hash slots.
>  			Default value is 8192 or 16384 depending on total
[...]

A relatively minor issue: the entries in kernel-parameters.txt should
be sorted alphabetically, and "tsx_async_abort" is being inserted out
of order.

Ben.

-- 
Ben Hutchings
It's easier to fight for one's principles than to live up to them.