linux-kernel - [PATCH 0/6] x86/entry: disallow #DB more

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Date:   Thu, 28 May 2020 22:19:37 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     tglx@...utronix.de, luto@...capital.net, peterz@...radead.org
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        Lai Jiangshan <laijs@...ux.alibaba.com>,
        sean.j.christopherson@...el.com, andrew.cooper3@...rix.com,
        daniel.thompson@...aro.org
Subject: [PATCH 0/6] x86/entry: disallow #DB more

These patches disallow #DB during NMI/#MC and allow removing a lot of fugly code.

Patch #6 should probably wait until we've got the KGDB situation sorted
because applying that makes a bad situation worse.