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Date:   Mon, 23 Jan 2023 21:50:09 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     mingo@...nel.org
Cc:     will@...nel.org, peterz@...radead.org, boqun.feng@...il.com,
        mark.rutland@....com, tglx@...utronix.de, bp@...en8.de,
        dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
        seanjc@...gle.com, pbonzini@...hat.com, jgross@...e.com,
        srivatsa@...il.mit.edu, amakhalov@...are.com,
        pv-drivers@...are.com, rostedt@...dmis.org, mhiramat@...nel.org,
        wanpengli@...cent.com, vkuznets@...hat.com,
        boris.ostrovsky@...cle.com, rafael@...nel.org,
        daniel.lezcano@...aro.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        bsegall@...gle.com, mgorman@...e.de, bristot@...hat.com,
        vschneid@...hat.com, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        linux-trace-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: [PATCH 0/6] A few cpuidle vs rcu fixes

0-day robot reported graph-tracing made the cpuidle-vs-rcu rework go splat.

These patches appear to cure this, the ftrace selftest now runs to completion
without spamming scary messages to dmesg.

---
 arch/x86/include/asm/atomic64_32.h | 44 +++++++++++++++++++-------------------
 arch/x86/include/asm/atomic64_64.h | 36 +++++++++++++++----------------
 arch/x86/include/asm/kvmclock.h    |  2 +-
 arch/x86/include/asm/paravirt.h    |  2 +-
 arch/x86/include/asm/pvclock.h     |  3 ++-
 arch/x86/kernel/cpu/vmware.c       |  2 +-
 arch/x86/kernel/ftrace.c           |  3 +++
 arch/x86/kernel/kvmclock.c         |  6 +++---
 arch/x86/kernel/pvclock.c          | 22 +++++++++++++------
 arch/x86/kernel/tsc.c              |  7 +++---
 arch/x86/xen/time.c                | 12 +++++++++--
 drivers/cpuidle/cpuidle.c          |  2 +-
 drivers/cpuidle/poll_state.c       |  2 --
 include/linux/math64.h             |  4 ++--
 include/linux/sched/clock.h        |  8 +++----
 kernel/sched/clock.c               | 27 +++++++++++++++++------
 16 files changed, 107 insertions(+), 75 deletions(-)


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