linux-kernel - [PATCH 0/3] tracing vs CR2

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Message-Id: <20190703102731.236024951@infradead.org>
Date:   Wed, 03 Jul 2019 12:27:31 +0200
From:   root <peterz@...radead.org>
To:     tglx@...utronix.de, bp@...en8.de, mingo@...nel.org,
        rostedt@...dmis.org, luto@...nel.org, torvalds@...ux-foundation.org
Cc:     hpa@...or.com, dave.hansen@...ux.intel.com, jgross@...e.com,
        linux-kernel@...r.kernel.org, zhe.he@...driver.com,
        joel@...lfernandes.org, devel@...ukata.com, peterz@...radead.org
Subject: [PATCH 0/3] tracing vs CR2

Hi,

Eiichi-san re-discovered the bug earlier found by He Zhe which we've failed to
fix due to getting distracted by discussing how to untangle entry_64.S.

These 3 patches are basically a completion of the initial approach I suggested
in that earlier thread:

  https://lkml.kernel.org/r/20190320221534.165ab87b@oasis.local.home

Yes, idtentry is a mess, and this doesn't help, but lets fix this now before
someone else trips over it.

This boots on x86_64 and builds on i386 so it must be perfect. No Xen testing
what so ever, because I wouldn't know where to begin.