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From: Peter Zijlstra <peterz@infradead.org>
To: mingo@kernel.org
Cc: mark.rutland@arm.com, juri.lelli@redhat.com,
	daniel.lezcano@linaro.org, wanpengli@tencent.com,
	kvm@vger.kernel.org, rafael@kernel.org, peterz@infradead.org,
	dave.hansen@linux.intel.com,
	virtualization@lists.linux-foundation.org, bsegall@google.com,
	amakhalov@vmware.com, will@kernel.org, tglx@linutronix.de,
	vschneid@redhat.com, hpa@zytor.com, x86@kernel.org,
	pv-drivers@vmware.com, mgorman@suse.de,
	linux-trace-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	boqun.feng@gmail.com, rostedt@goodmis.org, bp@alien8.de,
	vincent.guittot@linaro.org, boris.ostrovsky@oracle.com,
	dietmar.eggemann@arm.com, jgross@suse.com, seanjc@google.com,
	linux-kernel@vger.kernel.org, mhiramat@kernel.org,
	pbonzini@redhat.com, bristot@redhat.com
Subject: [PATCH 0/6] A few cpuidle vs rcu fixes
Date: Mon, 23 Jan 2023 21:50:09 +0100	[thread overview]
Message-ID: <20230123205009.790550642@infradead.org> (raw)

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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             reply	other threads:[~2023-01-23 20:58 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-23 20:50 Peter Zijlstra [this message]
2023-01-23 20:50 ` [PATCH 1/6] x86: Always inline arch_atomic64 Peter Zijlstra
2023-01-23 20:50 ` [PATCH 2/6] x86/pvclock: improve atomic update of last_value in pvclock_clocksource_read Peter Zijlstra
2023-01-23 20:50 ` [PATCH 3/6] ftrace/x86: Warn and ignore graph tracing when RCU is disabled Peter Zijlstra
2023-01-23 21:53   ` Steven Rostedt
2023-01-23 22:07     ` Steven Rostedt
2023-01-24 14:44       ` Peter Zijlstra
2023-01-24 17:12         ` Mark Rutland
2023-01-25  9:37           ` Peter Zijlstra
2023-01-25 10:47           ` Peter Zijlstra
2023-01-25 11:32             ` Mark Rutland
     [not found]             ` <20230125184658.GL2948950@paulmck-ThinkPad-P17-Gen-1>
2023-01-26  9:28               ` Peter Zijlstra
2023-01-23 20:50 ` [PATCH 4/6] x86: Mark sched_clock() noinstr Peter Zijlstra
2023-01-23 20:50 ` [PATCH 5/6] sched/clock: Make local_clock() noinstr Peter Zijlstra
2023-01-23 20:50 ` [PATCH 6/6] cpuidle: Fix poll_idle() noinstr annotation Peter Zijlstra
2023-01-24 14:24   ` Rafael J. Wysocki
2023-01-24 16:34 ` [PATCH 0/6] A few cpuidle vs rcu fixes Mark Rutland
2023-01-24 17:30   ` Mark Rutland
2023-01-24 18:39     ` Mark Rutland
2023-01-25  9:35       ` Peter Zijlstra
2023-01-25  9:40         ` Peter Zijlstra
2023-01-25 10:23           ` Mark Rutland
2023-01-25  9:31   ` Peter Zijlstra
2023-01-25  9:36     ` Mark Rutland
2023-01-25 15:20 ` Mark Rutland

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