netdev - Re: [PATCH bpf-next v2] libbpf: fix compatibility problem in xsk_socket_

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Message-Id: <160210320307.20743.18344305972350266676.git-patchwork-notify@kernel.org>
Date:   Wed, 07 Oct 2020 20:40:03 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Magnus Karlsson <magnus.karlsson@...il.com>
Cc:     magnus.karlsson@...el.com, bjorn.topel@...el.com, ast@...nel.org,
        daniel@...earbox.net, netdev@...r.kernel.org,
        jonathan.lemon@...il.com, bpf@...r.kernel.org,
        ciara.loftus@...el.com
Subject: Re: [PATCH bpf-next v2] libbpf: fix compatibility problem in
 xsk_socket__create

Hello:

This patch was applied to bpf/bpf-next.git (refs/heads/master):

On Wed,  7 Oct 2020 13:42:26 +0200 you wrote:
> From: Magnus Karlsson <magnus.karlsson@...el.com>
> 
> Fix a compatibility problem when the old XDP_SHARED_UMEM mode is used
> together with the xsk_socket__create() call. In the old XDP_SHARED_UMEM
> mode, only sharing of the same device and queue id was allowed, and in
> this mode, the fill ring and completion ring were shared between the
> AF_XDP sockets. Therefore, it was perfectly fine to call the
> xsk_socket__create() API for each socket and not use the new
> xsk_socket__create_shared() API. This behavior was ruined by the
> commit introducing XDP_SHARED_UMEM support between different devices
> and/or queue ids. This patch restores the ability to use
> xsk_socket__create in these circumstances so that backward
> compatibility is not broken.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v2] libbpf: fix compatibility problem in xsk_socket__create
    https://git.kernel.org/bpf/bpf-next/c/80348d8867c6

You are awesome, thank you!
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