[PATCH 0/2] powerpc/bpf: DIV64 instruction fix
Naveen N. Rao
naveen.n.rao at linux.vnet.ibm.com
Thu Jun 13 04:51:38 AEST 2019
The first patch updates DIV64 overflow tests to properly detect error
conditions. The second patch fixes powerpc64 JIT to generate the proper
unsigned division instruction for BPF_ALU64.
- Naveen
Naveen N. Rao (2):
bpf: fix div64 overflow tests to properly detect errors
powerpc/bpf: use unsigned division instruction for 64-bit operations
arch/powerpc/include/asm/ppc-opcode.h | 1 +
arch/powerpc/net/bpf_jit.h | 2 +-
arch/powerpc/net/bpf_jit_comp64.c | 8 ++++----
.../testing/selftests/bpf/verifier/div_overflow.c | 14 ++++++++++----
4 files changed, 16 insertions(+), 9 deletions(-)
--
2.21.0
More information about the Linuxppc-dev
mailing list