Messages in this thread | | | Subject | Re: [PATCH bpf-next V4] xsk: allow remap of fill and/or completion rings | From | patchwork-bot+netdevbpf@kernel ... | Date | Sun, 26 Mar 2023 04:11:59 +0000 |
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Hello:
This patch was applied to bpf/bpf-next.git (master) by Alexei Starovoitov <ast@kernel.org>:
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
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