This is a backport of the remaining patches from the below series:
https://lore.kernel.org/all/cover.1633464148.git.naveen.n.rao@linux.vnet.ibm.com/ (local)

Kindly apply to the longterm tree for v5.10

Thanks,
Naveen


Naveen N. Rao (4):
  powerpc/lib: Add helper to check if offset is within conditional
    branch range
  powerpc/bpf: Validate branch ranges
  powerpc/security: Add a helper to query stf_barrier type
  powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC

 arch/powerpc/include/asm/code-patching.h     |  1 +
 arch/powerpc/include/asm/security_features.h |  5 ++
 arch/powerpc/kernel/security.c               |  5 ++
 arch/powerpc/lib/code-patching.c             |  7 ++-
 arch/powerpc/net/bpf_jit.h                   | 33 ++++++----
 arch/powerpc/net/bpf_jit64.h                 |  8 +--
 arch/powerpc/net/bpf_jit_comp64.c            | 64 ++++++++++++++++++--
 7 files changed, 100 insertions(+), 23 deletions(-)


base-commit: 5040520482a594e92d4f69141229a6dd26173511
-- 
2.33.1