Re: [PATCH bpf] xsk: always clear DMA mapping information when unmapping the pool

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:

On Fri, 22 Nov 2024 12:29:09 +0100 you wrote:
> When the umem is shared, the DMA mapping is also shared between the xsk
> pools, therefore it should stay valid as long as at least 1 user remains.
> However, the pool also keeps the copies of DMA-related information that are
> initialized in the same way in xp_init_dma_info(), but cleared by
> xp_dma_unmap() only for the last remaining pool, this causes the problems
> below.
> 
> [...]

Here is the summary with links:
  - [bpf] xsk: always clear DMA mapping information when unmapping the pool
    https://git.kernel.org/bpf/bpf/c/ac9a48a6f161

You are awesome, thank you!
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