[PATCH 0/2] powerpc/bpf: DIV64 instruction fix

Sandipan Das sandipan at linux.ibm.com
Thu Jun 13 15:06:17 AEST 2019


On 13/06/19 12:21 AM, 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(-)
> 

For the series

Acked-by: Sandipan Das <sandipan at linux.ibm.com>



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