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Re: [PATCH] x86/cet: Support cet=<bool> on the command line


  • To: Roger Pau Monne <roger.pau@xxxxxxxxxx>
  • From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
  • Date: Fri, 29 Apr 2022 09:24:19 +0000
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  • Thread-topic: [PATCH] x86/cet: Support cet=<bool> on the command line

On 28/04/2022 10:19, Roger Pau Monné wrote:
> On Thu, Apr 28, 2022 at 09:52:09AM +0100, Andrew Cooper wrote:
>> ... as a shorthand for setting both suboptions at once.
>>
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks.

>
> From the implementation below we would support settings like:
>
> cet=true,shstk=false
>
> Which I think it's indented?  Have a global default for all options,
> set some to a different value.

That's how all list options work, and it's also equivalent to

cet=true cet=shstk=false

Options can be given multiple time, and are parsed left to right with
the latest setting taking precedence.

~Andrew

 


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