netdev - Re: [PATCH v2 bpf-next] bpf: add ambient BPF runtime context stored in current

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Date:   Fri, 16 Jul 2021 19:27:24 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Andrii Nakryiko <andrii@...nel.org>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org, ast@...com,
        daniel@...earbox.net, linux-kernel@...r.kernel.org,
        kernel-team@...com, yhs@...com
Subject: Re: [PATCH v2 bpf-next] bpf: add ambient BPF runtime context stored in
 current

Hello:

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

On Mon, 12 Jul 2021 16:06:15 -0700 you wrote:
> b910eaaaa4b8 ("bpf: Fix NULL pointer dereference in bpf_get_local_storage()
> helper") fixed the problem with cgroup-local storage use in BPF by
> pre-allocating per-CPU array of 8 cgroup storage pointers to accommodate
> possible BPF program preemptions and nested executions.
> 
> While this seems to work good in practice, it introduces new and unnecessary
> failure mode in which not all BPF programs might be executed if we fail to
> find an unused slot for cgroup storage, however unlikely it is. It might also
> not be so unlikely when/if we allow sleepable cgroup BPF programs in the
> future.
> 
> [...]

Here is the summary with links:
  - [v2,bpf-next] bpf: add ambient BPF runtime context stored in current
    https://git.kernel.org/bpf/bpf-next/c/c7603cfa04e7

You are awesome, thank you!
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