Am Dienstag, 18. Juli 2017, 10:30:14 CEST schrieb Greg Kroah-Hartman: Hi Greg, > > +typedef unsigned long long __u64; > > +typedef long long __s64; > > types.h already has these defines, don't re-typedef them again... The issue is that the C code is compiled without optimizations. Thus, the C code shall not depend on any other header file. This issue was discussed during the inclusion of the Jitter RNG C code into the kernel. Ciao Stephan