Hello:
This patch was applied to bpf/bpf.git (master)
by Martin KaFai Lau <martin.lau@xxxxxxxxxx>:
On Thu, 14 Aug 2025 20:24:37 +0200 you wrote:
> When running an XDP bpf_prog on the remote CPU in cpumap code
> then we must disable the direct return optimization that
> xdp_return can perform for mem_type page_pool. This optimization
> assumes code is still executing under RX-NAPI of the original
> receiving CPU, which isn't true on this remote CPU.
>
> The cpumap code already disabled this via helpers
> xdp_set_return_frame_no_direct() and xdp_clear_return_frame_no_direct(),
> but the scope didn't include xdp_do_flush().
>
> [...]
Here is the summary with links:
- [bpf] cpumap: disable page_pool direct xdp_return need larger scope
https://git.kernel.org/bpf/bpf/c/7572a47ebcdf
You are awesome, thank you!
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