From: Bob Moore <robert.moore@intel.com>
Date: Fri, 12 Apr 2013 00:25:41 +0000 (+0000)
Subject: ACPICA: Add a lock to the internal object reference count mechanism
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~92^2~8^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58892c962a0f8b7187b036e787223365864bde3f;p=pandora-kernel.git

ACPICA: Add a lock to the internal object reference count mechanism

Certain external interfaces need to update object references
without holding the interpreter or namespace mutex objects. To
prevent race conditions, add a spinlock around the increment
and decrement of the reference counts for internal ACPI
objects. Reported by Andriy Gapon (avg@FreeBSD.org).

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Andriy Gapon <avg@FreeBSD.org>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

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