Re: [Xen-devel] [PATCH 1/9] x86/spec-ctrl: Drop the bti= command line option

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.12.18 at 17:18, <andrew.cooper3@xxxxxxxxxx> wrote:
> bti= was introduced with the original Spectre fixes (Jan 2018), but by the
> time Speculative Store Bypass came along (May 2018), it was superceeded by the
> more generic spec-ctrl=.
> 
> Since then, we've had LazyFPU (June 2018) and L1TF (August 2018), which means
> noone will be using the option.  Remove it entirely - anyone who happens to
> accidentially be using it might now spot Xen complaining about an option it
> doesn't understand.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>



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