Re: [PATCH entry v2 0/6] x86/entry: Fixes and cleanups

[Peter Zijlstra]

On Fri, Jul 03, 2020 at 10:02:52AM -0700, Andy Lutomirski wrote:
> These are in priority order.  Patch 1 could be folded into the patch
> it fixes.  The selftests improve my confidence in the correctness of
> the whole pile.  The next two patches fix IDTENTRY miswiring.  The
> last two are optional and could easily wait until the next merge
> window.
> 
> Andy Lutomirski (6):
>   x86/entry/compat: Clear RAX high bits on Xen PV SYSENTER
>   x86/entry, selftests: Further improve user entry sanity checks
>   x86/entry/xen: Route #DB correctly on Xen PV
>   x86/entry/32: Fix #MC and #DB wiring on x86_32
>   x86/ldt: Disable 16-bit segments on Xen PV
>   x86/entry: Rename idtentry_enter/exit_cond_rcu() to
>     idtentry_enter/exit()

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>