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From: patchwork-bot+netdevbpf@kernel.org
To: David Vernet <void@manifault.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
	andrii@kernel.org, martin.lau@linux.dev, song@kernel.org,
	yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org,
	sdf@google.com, haoluo@google.com, jolsa@kernel.org,
	linux-kernel@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH bpf-next v2 0/5] Make struct bpf_cpumask RCU safe
Date: Thu, 16 Mar 2023 19:40:19 +0000	[thread overview]
Message-ID: <167899561918.25671.10670272982001703575.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20230316054028.88924-1-void@manifault.com>

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Thu, 16 Mar 2023 00:40:23 -0500 you wrote:
> The struct bpf_cpumask type is currently not RCU safe. It uses the
> bpf_mem_cache_{alloc,free}() APIs to allocate and release cpumasks, and
> those allocations may be reused before an RCU grace period has elapsed.
> We want to be able to enable using this pattern in BPF programs:
> 
> private(MASK) static struct bpf_cpumask __kptr *global;
> 
> [...]

Here is the summary with links:
  - [bpf-next,v2,1/5] bpf: Free struct bpf_cpumask in call_rcu handler
    https://git.kernel.org/bpf/bpf-next/c/77473d1a962f
  - [bpf-next,v2,2/5] bpf: Mark struct bpf_cpumask as rcu protected
    https://git.kernel.org/bpf/bpf-next/c/63d2d83d21a6
  - [bpf-next,v2,3/5] bpf/selftests: Test using global cpumask kptr with RCU
    https://git.kernel.org/bpf/bpf-next/c/a5a197df58c4
  - [bpf-next,v2,4/5] bpf: Remove bpf_cpumask_kptr_get() kfunc
    https://git.kernel.org/bpf/bpf-next/c/1b403ce77dfb
  - [bpf-next,v2,5/5] bpf,docs: Remove bpf_cpumask_kptr_get() from documentation
    https://git.kernel.org/bpf/bpf-next/c/fec2c6d14fd5

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2023-03-16 19:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-16  5:40 [PATCH bpf-next v2 0/5] Make struct bpf_cpumask RCU safe David Vernet
2023-03-16  5:40 ` [PATCH bpf-next v2 1/5] bpf: Free struct bpf_cpumask in call_rcu handler David Vernet
2023-03-16  5:40 ` [PATCH bpf-next v2 2/5] bpf: Mark struct bpf_cpumask as rcu protected David Vernet
2023-03-16  5:40 ` [PATCH bpf-next v2 3/5] bpf/selftests: Test using global cpumask kptr with RCU David Vernet
2023-03-16  5:40 ` [PATCH bpf-next v2 4/5] bpf: Remove bpf_cpumask_kptr_get() kfunc David Vernet
2023-03-16  5:40 ` [PATCH bpf-next v2 5/5] bpf,docs: Remove bpf_cpumask_kptr_get() from documentation David Vernet
2023-03-16 19:40 ` patchwork-bot+netdevbpf [this message]

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