[PATCH 0/2] powerpc/bpf: DIV64 instruction fix
Daniel Borkmann
daniel at iogearbox.net
Fri Jun 14 07:11:35 AEST 2019
On 06/12/2019 08:51 PM, Naveen N. Rao wrote:
> 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(-)
>
LGTM, applied to bpf, thanks!
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