Re: [PATCH bpf-next V4] xsk: allow remap of fill and/or completion rings
From: patchwork-bot+netdevbpf
Date: Sun Mar 26 2023 - 00:12:11 EST
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Fri, 24 Mar 2023 10:02:22 +0000 you wrote:
> The remap of fill and completion rings was frowned upon as they
> control the usage of UMEM which does not support concurrent use.
> At the same time this would disallow the remap of these rings
> into another process.
>
> A possible use case is that the user wants to transfer the socket/
> UMEM ownership to another process (via SYS_pidfd_getfd) and so
> would need to also remap these rings.
>
> [...]
Here is the summary with links:
- [bpf-next,V4] xsk: allow remap of fill and/or completion rings
https://git.kernel.org/bpf/bpf-next/c/5f5a7d8d8bd4
You are awesome, thank you!
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