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authorLin Ming <ming.m.lin@intel.com>2010-03-05 17:59:54 +0800
committerLen Brown <len.brown@intel.com>2010-04-20 10:42:53 -0400
commite0f40281d52161dddeb1bc12879425266a53f26f (patch)
tree163241e07e71a32fa56b6433d70630dc86af1ca3 /include
parentf6a22b0bc417042e83117f52ab1a03696af185ab (diff)
ACPICA: Fix for possible fault in acpi_ex_release_mutex
Fixed a problem with the AML Mutex handling function acpi_ex_release_mutex where the function could fault under the very rare condition when the interpreter has blocked, the interpreter lock is released, the interpreter is then reentered via the same thread, and attempts to acquire a mutex that was previously acquired. FreeBSD report 140979. http://www.freebsd.org/cgi/query-pr.cgi?pr=140979 Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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