Re: [Xen-devel] [PATCH v8 05/17] x86: Introduce alternative indirect thunks

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 12.01.18 at 19:00, <andrew.cooper3@xxxxxxxxxx> wrote:
> Depending on hardware and microcode availability, we will want to replace
> IND_THUNK_REPOLINE with other implementations.
> 
> For AMD hardware, choose IND_THUNK_LFENCE in preference to retpoline if lfence
> is known to be (or was successfully made) dispatch serialising.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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