Please ignore this series and review/reply to the other one
([XEN PATCH 0/9] x86: parallelize AP bring-up during boot) instead.
`git send-email` did what I asked it to do instead of what I wanted,
so I accidentally sent WIP version of patches.
Sorry for the noise.
--
Krystian Hebel
Firmware
From: Andrew Cooper
Before speculation defences, some paths in Xen could genuinely get away with
being IRQs-on at entry. But XPTI invalidated this property on most paths, and
attempting to maintain it on the remaining paths was a mistake.
Fast forward, and DO_SPEC_CTRL_COND_IBPB (protection