[PATCH v2 00/10] powerpc/bpf: Various fixes
Naveen N. Rao
naveen.n.rao at linux.vnet.ibm.com
Wed Oct 6 07:25:19 AEDT 2021
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
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