tracing: Let tracing_snapshot() be used by modules but not NMI

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Add EXPORT_SYMBOL_GPL() to let the tracing_snapshot() functions be
called from modules.

Also add a test to see if the snapshot was called from NMI context
and just warn in the tracing buffer if so, and return.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

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Steven Rostedt (Red Hat) 2013-03-09 00:56:08 -05:00 • committed by Steven Rostedt

parent ca268da6e4

commit 1b22e382ab

1 changed files with 10 additions and 0 deletions

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kernel/trace/trace.c

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