[PATCH 0/2] arm64: bpf: add BPF_ST and BPF_XADD instructions support

Yang Shi
2015-11-10T23:00:23Z

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(-)