Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Wed, 31 Mar 2021 21:25:03 +0800 you wrote:

xdp_return_frame() may be called outside of NAPI context to return
xdpf back to page_pool. xdp_return_frame() calls __xdp_return() with
napi_direct = false. For page_pool memory model, __xdp_return() calls
xdp_return_frame_no_direct() unconditionally and below false negative
kernel BUG throw happened under preempt-rt build:

[  430.450355] BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/3884
[  430.451678] caller is __xdp_return+0x1ff/0x2e0
[  430.452111] CPU: 0 PID: 3884 Comm: modprobe Tainted: G     U      E     5.12.0-rc2+ #45

[...]

Here is the summary with links:
  - [net,v2,1/1] xdp: fix xdp_return_frame() kernel BUG throw for page_pool memory model
    https://git.kernel.org/netdev/net/c/622d13694b5f

You are awesome, thank you!
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