On Thu, Mar 27, 2025 at 10:54:23AM +0100, Jan Beulich wrote:
> mtrr_set_all() has quite a bit of overhead, which is entirely useless
> when set_mtrr_state() really does nothing. Furthermore, with
> mtrr_state.def_type never initialized from hardware, post_set()'s
> unconditional writing of the MSR means would leave us running in UC
> mode after the sync.
> 
> Signed-off-by: Jan Beulich <jbeul...@suse.com>

Acked-by: Roger Pau Monné <roger....@citrix.com>

Conditional on reaching consensus on whether the mtrr_bp_restore()
needs re-adding to the resume path.  Otherwise the code needs to be
removed.

Thanks, Roger.

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