Messages in this thread | | | Date | Thu, 03 Jul 2014 11:23:14 +0200 | From | Daniel Borkmann <> | Subject | Re: [PATCH RFC] arm64: eBPF JIT compiler |
| |
On 07/03/2014 11:14 AM, Will Deacon wrote: > On Wed, Jul 02, 2014 at 06:20:24AM +0100, Zi Shen Lim wrote: >> 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 :) > > First off, this is really cool. Thanks for putting in the effort to get this > supported on arm64! I'm happy to run tests on some real hardware if you tell > me how to run them :)
We have lib/test_bpf.c for this, see also Documentation/networking/filter.txt.
So, the procedure would be, e.g.:
1) echo 1 > /proc/sys/net/core/bpf_jit_enable 2) modprobe/insmod test_bpf 3) See kernel log for passes/fails
For seccomp/BPF, there's a test suite in:
https://github.com/redpig/seccomp
| |