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Date:      Sun, 18 Feb 2018 17:04:55 +0100
From:      David Marec <david.marec@davenulle.org>
To:        freebsd-stable@freebsd.org
Subject:   Re: stable/11 r329462 - Meltdown/Spectre MFC questions
Message-ID:  <58099107-bc04-8ad9-3909-16bf5297dd2b@davenulle.org>
In-Reply-To: <20180217194726.GA79666@icarus.home.lan>
References:  <20180217194726.GA79666@icarus.home.lan>

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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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