From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 12 Jan 2015 18:32:25 +0000 (-0500)
Subject: Fix: add urcu-bp TLS fixup
X-Git-Tag: v2.4.4~2
X-Git-Url: https://git.lttng.org/?a=commitdiff_plain;h=cec91e30b077aa46175a9964a4cf38f54276e0e4;hp=cec91e30b077aa46175a9964a4cf38f54276e0e4;p=lttng-ust.git

Fix: add urcu-bp TLS fixup

When performing a library base address statedump, the UST threads can
grab the RCU read-side lock, which touch a TLS. We should "pre-fault"
this TLS in the constructor to eliminate a deadlock involving libc
dynamic loader lock.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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