linux-kernel - Re: [PATCH v2] libbpf: fix BPF_MAP_TYPE_PERF_EVENT

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Message-Id: <164606640987.23345.3964294221213220765.git-patchwork-notify@kernel.org>
Date:   Mon, 28 Feb 2022 16:40:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Stijn Tintel <stijn@...ux-ipv6.be>
Cc:     bpf@...r.kernel.org, songliubraving@...com, andrii@...nel.org,
        toke@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kpsingh@...nel.org, yhs@...com,
        kafai@...com, daniel@...earbox.net, ast@...nel.org
Subject: Re: [PATCH v2] libbpf: fix BPF_MAP_TYPE_PERF_EVENT_ARRAY auto-pinning

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Fri, 25 Feb 2022 17:23:55 +0200 you wrote:
> When a BPF map of type BPF_MAP_TYPE_PERF_EVENT_ARRAY doesn't have the
> max_entries parameter set, the map will be created with max_entries set
> to the number of available CPUs. When we try to reuse such a pinned map,
> map_is_reuse_compat will return false, as max_entries in the map
> definition differs from max_entries of the existing map, causing the
> following error:
> 
> [...]

Here is the summary with links:
  - [v2] libbpf: fix BPF_MAP_TYPE_PERF_EVENT_ARRAY auto-pinning
    https://git.kernel.org/bpf/bpf-next/c/a4fbfdd7a160

You are awesome, thank you!
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