This is a note to let you know that I've just added the patch titled perf python: Allow checking for the existence of warning options in clang to the 6.6-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: perf-python-allow-checking-for-the-existence-of-warning-options-in-clang.patch and it can be found in the queue-6.6 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it.