[PATCH v2 00/10] powerpc/bpf: Various fixes

[Naveen N. Rao]

This is v2 of the series posted at:
http://lkml.kernel.org/r/cover.1633104510.git.naveen.n.rao@linux.vnet.ibm.com

Only patches from v1 that need to go into powerpc/fixes are included.
Other patches will be posted as a separate series for inclusion into
powerpc/next. 

Patches 7 to 10 are new and fix issues in ppc32.


- Naveen


Naveen N. Rao (10):
  powerpc/lib: Add helper to check if offset is within conditional
    branch range
  powerpc/bpf: Validate branch ranges
  powerpc/bpf: Fix BPF_MOD when imm == 1
  powerpc/bpf: Fix BPF_SUB when imm == 0x80000000
  powerpc/security: Add a helper to query stf_barrier type
  powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC
  powerpc/bpf ppc32: Fix ALU32 BPF_ARSH operation
  powerpc/bpf ppc32: Fix JMP32_JSET_K
  powerpc/bpf ppc32: Do not emit zero extend instruction for 64-bit
    BPF_END
  powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000

 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_comp.c              |   6 +-
 arch/powerpc/net/bpf_jit_comp32.c            |  16 +--
 arch/powerpc/net/bpf_jit_comp64.c            | 100 +++++++++++++++----
 9 files changed, 139 insertions(+), 42 deletions(-)


base-commit: cdcb1396e357bd198f81dc7fa4f5d819063abe44
-- 
2.33.0