> On Dec 18, 2020, at 19:11, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > *groan*, so what actual version of binutils is needed and why is this > driver important enough to build on ancient crud to warrant all this > gunk? The new Key Locker instructions look to be added a few month ago [1]. But the latest binutils release (2.35.1) does not include them yet. I’m open to drop the macros if there is any better way to define them without binutils support. Thanks, Chang [1] https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=c4694f172b51a2168b8cc15109ab1b97fc0bcb9c
