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

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Message-ID: <20200703173113.GY4800@hirez.programming.kicks-ass.net>
Date:   Fri, 3 Jul 2020 19:31:13 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Andy Lutomirski <luto@...nel.org>
Cc:     x86@...nel.org, Andrew Cooper <andrew.cooper3@...rix.com>,
        Juergen Gross <jgross@...e.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH entry v2 0/6] x86/entry: Fixes and cleanups

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@...radead.org>