Re: [PATCH bpf-next v1 0/4] Add BPF JIT support for LoongArch

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Hi, all,

On Tue, Aug 23, 2022 at 8:46 AM Alexei Starovoitov
<alexei.starovoitov@xxxxxxxxx> wrote:
>
> On Sun, Aug 21, 2022 at 6:36 PM Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> wrote:
> >
> >
> >
> > On 08/20/2022 07:50 PM, Tiezhu Yang wrote:
> > > The basic support for LoongArch has been merged into the upstream Linux
> > > kernel since 5.19-rc1 on June 5, 2022, this patch series adds BPF JIT
> > > support for LoongArch.
> > >
> > > Here is the LoongArch documention:
> > > https://www.kernel.org/doc/html/latest/loongarch/index.html
> > >
> > > With this patch series, the test cases in lib/test_bpf.ko have passed
> > > on LoongArch.
> > >
> > >   # echo 1 > /proc/sys/net/core/bpf_jit_enable
> > >   # modprobe test_bpf
> > >   # dmesg | grep Summary
> > >   test_bpf: Summary: 1026 PASSED, 0 FAILED, [1014/1014 JIT'ed]
> > >   test_bpf: test_tail_calls: Summary: 10 PASSED, 0 FAILED, [10/10 JIT'ed]
> > >   test_bpf: test_skb_segment: Summary: 2 PASSED, 0 FAILED
> > >
> > > It seems that this patch series can not be applied cleanly to bpf-next
> > > which is not synced to v6.0-rc1.
> >
> >
> > Hi Alexei, Daniel, Andrii,
> >
> > Do you know which tree this patch series will go through?
> > bpf-next or loongarch-next?
>
> Whichever way is easier.
> Looks like all changes are contained within arch/loongarch,
> so there should be no conflicts with generic JIT infra.
> In that sense it's fine to carry it in loongarch-next.
> We can take it through bpf-next too with arch maintainers acks.
OK, both ways look good to me.

Huacai



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