linux-kernel - [PATCH 0/3] more cpu hotplug fail

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Message-Id: <20170418103213.089888286@infradead.org>
Date:   Tue, 18 Apr 2017 12:32:13 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     jbaron@...mai.com, rostedt@...dmis.org, tglx@...utronix.de,
        mingo@...nel.org, bigeasy@...utronix.de, peterz@...radead.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 0/3] more cpu hotplug fail

Now that the CPU hotplug lock is a regular per-cpu rwsem it can no longer nest
read-sides.

Fix two such sites in perf.