On 3/6/20 10:37 AM, Yu-cheng Yu wrote: > We used to do this for CET instructions, but after adding kernel-mode > instructions and inserting ENDBR's, the code becomes cluttered. I also > found an earlier discussion on the ENDBR: > > https://lore.kernel.org/lkml/CALCETrVRH8LeYoo7V1VBPqg4WS0Enxtizt=T7dPvgoeWfJrdzA@xxxxxxxxxxxxxx/ > > It makes sense to let the user know early on that the system cannot support > CET and cannot build a CET-enabled kernel. > > One thing we can do is to disable CET in Kconfig and not in kernel > build, which I will do in the next version. I'll go on the record and say I think we should allow building CET-enabled kernels on old toolchains. We need it for build test coverage. We can spit out a warning, but we need to allow building it. Andy L, do you have any heartburn with that?
