Various fixes to the eBPF JIT for powerpc, thanks to some new tests
added by Johan. This series fixes all failures in test_bpf on powerpc64.
There are still some failures on powerpc32 to be looked into.
- Naveen
Naveen N. Rao (8):
powerpc/lib: Add helper to check if offset is within conditional
branch range
powerpc/bpf: Validate branch ranges
powerpc/bpf: Handle large branch ranges with BPF_EXIT
powerpc/bpf: Fix BPF_MOD when imm == 1
powerpc/bpf: Fix BPF_SUB when imm == 0x80000000
powerpc/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06
powerpc/security: Add a helper to query stf_barrier type
powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC
Ravi Bangoria (1):
powerpc/bpf: Remove unused SEEN_STACK
arch/powerpc/include/asm/code-patching.h | 1 +
arch/powerpc/include/asm/ppc-opcode.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 | 39 ++++---
arch/powerpc/net/bpf_jit64.h | 8 +-
arch/powerpc/net/bpf_jit_comp.c | 28 ++++-
arch/powerpc/net/bpf_jit_comp32.c | 10 +-
arch/powerpc/net/bpf_jit_comp64.c | 113 ++++++++++++++-----
10 files changed, 167 insertions(+), 50 deletions(-)
base-commit: 044c2d99d9f43c6d6fde8bed00672517dd9a5a57
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2.33.0
