From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 28 Sep 2015 15:36:55 +0000 (-0400)
Subject: tile: allocate membarrier system call number
X-Git-Tag: v0.9.0~21
X-Git-Url: https://git.lttng.org/?p=urcu.git;a=commitdiff_plain;h=c23069c6cf733ed8a39e64300c264285f658ae23;hp=c23069c6cf733ed8a39e64300c264285f658ae23

tile: allocate membarrier system call number

Now that the membarrier system call is allocated on tile, allocate
its number in our architecture header if the system headers don't
allocate it. This allows using the membarrier system call as soon as
implemented in the kernel, even if the distribution has old kernel
headers.

Do so by creating headers specifically for tile, which rely on the
gcc atomic and memory barrier builtins.

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