stable/11 r329462 - Meltdown/Spectre MFC questions

David Marec david.marec at davenulle.org
Sun Feb 18 16:12:36 UTC 2018


On 17.02.2018 20:47, Jeremy Chadwick wrote:
> hw.ibrs_disable
>    - Description: Disable Indirect Branch Restricted Speculation
>    - Loader tunable and sysctl tunable (read-write)
>    - Integer
>    - Default value: unsure.  Variable declaration has 1 but
>      SYSCTL_PROC() macro has 0.
> 


Strange thing is that tweaking `hw.ibrs_disable` has no effect on 
`hw.ibrs_active` on my side.

-- 
David Marec
https://lapinbilly.eu/


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