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authorSteven Rostedt (VMware) <rostedt@goodmis.org>2017-03-02 17:28:45 -0500
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2017-03-03 09:45:00 -0500
commitb17ef2ed624aa7c1f68ed11acd16ecbf80fe01d7 (patch)
treebcad6c5b7af4f880d1f52370cfa84632ba94cef9 /fs/Makefile
parentcd8d860dcce906cd477be7d0648ba6f56a52eaa6 (diff)
jump_label: Add comment about initialization order for anonymous unions
Commit 3821fd35b58d ("jump_label: Reduce the size of struct static_key") broke old compilers that could not handle static initialization of anonymous unions. Boris fixed it with a patch that added brackets around the static initializer. But this creates a dependency between those initializers and the structure's order of its fields. Document this dependency in case new fields are added to struct static_key in the future. Noted-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Suggested-by: Chris Mason <clm@fb.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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