Thread (2 messages) flat view 2 messages, 2 authors, 8d ago

Re: [PATCH net v2] net: thunderbolt: Tear down DMA paths before stopping the rings

From: patchwork-bot+netdevbpf@kernel.org
Date: 2026-08-06 15:51:04
Also in: lkml

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Mon, 03 Aug 2026 14:38:50 +0000 you wrote:
From: Fan XinRan <redacted>

tbnet_tear_down() stops both rings and frees their frame buffers before
calling tb_xdomain_disable_paths().  tb_ring_stop() zeroes the ring's
descriptor base and tbnet_free_buffers() unmaps and frees the pages the
frames sit in, so by the time __tb_path_deactivate_hop() polls the hop's
'pending' bit, anything still in flight has nowhere to drain to.

[...]
Here is the summary with links:
  - [net,v2] net: thunderbolt: Tear down DMA paths before stopping the rings
    https://git.kernel.org/netdev/net/c/68bf02b6b4ad

You are awesome, thank you!
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