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Allow mixing bpf2bpf calls with tailcalls on LoongArch #4581

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Pull request for series with
subject: Allow mixing bpf2bpf calls with tailcalls on LoongArch
version: 1
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=721032

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Upstream branch: ab86cf3
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=721032
version: 1

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Upstream branch: 0243d3d
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=721032
version: 1

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Upstream branch: 0b07572
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=721032
version: 1

Let's always use 4 instructions for function address in JIT.
So that the instruction sequences don't change between the first
pass and the extra pass for function calls.

Fixes: 5dc6155 ("LoongArch: Add BPF JIT support")
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
The current implementation already allow such mixing.
Let's enable it in JIT.

Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
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Upstream branch: 39c536a
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=721032
version: 1

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At least one diff in series https://patchwork.kernel.org/project/netdevbpf/list/?series=721032 expired. Closing PR.

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