On Wed, Sep 12, 2018 at 07:53:56AM -0700, Guenter Roeck wrote:

Building x86_64:tools/perf ... failed

Error log:

tools/perf/util/python.c: In function ‘get_md’: tools/perf/util/python.c:987:9: error: ‘struct perf_mmap’ has no member named ‘cpu’

At top level: cc1: error: unrecognized command line option ‘-Wno-cast-function-type’ [-Werror] cc1: all warnings being treated as errors error: command 'gcc' failed with exit status 1

Thanks for letting me know. I've found it and dropped the offending patch.

greg k-h