Re: [PATCH v2 0/5] MIPS: BPF: JIT fixes and improvements.
From: Alexei Starovoitov
Date: Tue Mar 14 2017 - 18:50:07 EST
On Tue, Mar 14, 2017 at 02:21:39PM -0700, David Daney wrote:
> Changes from v1:
>
> - Use unsigned access for SKF_AD_HATYPE
>
> - Added three more patches for other problems found.
>
>
> Testing the BPF JIT on Cavium OCTEON (mips64) with the test-bpf module
> identified some failures and unimplemented features.
>
> With this patch set we get:
>
> test_bpf: Summary: 305 PASSED, 0 FAILED, [85/297 JIT'ed]
>
> Both big and little endian tested.
>
> We still lack eBPF support, but this is better than nothing.
>
> David Daney (5):
> MIPS: uasm: Add support for LHU.
> MIPS: BPF: Add JIT support for SKF_AD_HATYPE.
> MIPS: BPF: Use unsigned access for unsigned SKB fields.
> MIPS: BPF: Quit clobbering callee saved registers in JIT code.
> MIPS: BPF: Fix multiple problems in JIT skb access helpers.
Thanks. Nice set of fixes. Especially patch 4.
Did you see crashes because of it?
Acked-by: Alexei Starovoitov <ast@xxxxxxxxxx>