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authorTörök Edwin <edwintorok@gmail.com>2008-11-23 12:39:07 +0200
committerIngo Molnar <mingo@elte.hu>2008-11-23 11:53:49 +0100
commitcffa10aecb6891f090a4d53a075bc40c082c45fc (patch)
tree825b264f70bc5c5aaa2882e8dfba75e366238b1e /Documentation/timers
parent8d7c6a96164651dbbab449ef0b5c20ae1f76a3a1 (diff)
tracing/stack-tracer: fix locking and refcounts
Impact: fix refcounting/object-access bug Hold mmap_sem while looking up/accessing vma. Hold the RCU lock while using the task we looked up. Signed-off-by: Török Edwin <edwintorok@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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