Current ARM64 BPF JIT doesn't have store immediate and XADD instructions support, and aarch64 doesn't have native instructions for them. Implement them in instruction sequence. For detail, please refer to the commit log.
The implementation is tested by test_bpf kernel module. The patches are applied after my BPF JIT stack fix [1]. [1] https://patches.linaro.org/56268/ Yang Shi (2): arm64: bpf: add 'store immediate' instruction arm64: bpf: add BPF XADD instruction arch/arm64/net/bpf_jit_comp.c | 39 ++++++++++++++++++++++++++++++++++----- 1 file changed, 34 insertions(+), 5 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
