tree c21f9a42c5d0d7fc8a6a65f28acb99112673f909
parent 5e6e15a2c4b529fd3cbf367b734842c4d8f6b0fa
author Zi Shen Lim <zlim.lnx@gmail.com> 1409112930 -0700
committer Will Deacon <will.deacon@arm.com> 1410183561 +0100

arm64: eBPF JIT compiler

The JIT compiler emits A64 instructions. It supports eBPF only.
Legacy BPF is supported thanks to conversion by BPF core.

JIT is enabled in the same way as for other architectures:

	echo 1 > /proc/sys/net/core/bpf_jit_enable

Or for additional compiler output:

	echo 2 > /proc/sys/net/core/bpf_jit_enable

See Documentation/networking/filter.txt for more information.

The implementation passes all 57 tests in lib/test_bpf.c
on ARMv8 Foundation Model :) Also tested by Will on Juno platform.

Signed-off-by: Zi Shen Lim <zlim.lnx@gmail.com>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>