Re: [PATCH v2 4/8] x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature

[Tim Chen]

On 01/08/2018 08:14 AM, Peter Zijlstra wrote:
> On Mon, Jan 08, 2018 at 01:47:07PM +0100, Peter Zijlstra wrote:
>>> a good suggestion, but we encountered some issues with it either
>>> crashing the kernel at boot or not properly turning on/off.
> 
> The below boots, but I lack stuff to test the enabling.

Peter,

Thanks.  Will give it a spin.  One other concern is if
JUMP_LABEL is not configured, this may not work, and
we may still need fall back to a control variable.

Tim