From: Hari Bathini > Sent: 12 October 2021 13:31 > > Patch #1 & #2 are simple cleanup patches. Patch #3 refactors JIT > compiler code with the aim to simplify adding BPF_PROBE_MEM support. > Patch #4 introduces PPC_RAW_BRANCH() macro instead of open coding > branch instruction. Patch #5 & #7 add BPF_PROBE_MEM support for PPC64 > & PPC32 JIT compilers respectively. Patch #6 & #8 handle bad userspace > pointers for PPC64 & PPC32 cases respectively. I thought that BPF was only allowed to do fairly restricted memory accesses - so WTF does it need a BPF_PROBE_MEM instruction? David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)