linux-kernel - Re: [PATCH bpf-next v2 0/3] Enable RCU semantics for task kptrs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Sat, 01 Apr 2023 16:20:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     David Vernet <void@...ifault.com>
Cc:     bpf@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, martin.lau@...ux.dev, song@...nel.org,
        yhs@...com, john.fastabend@...il.com, kpsingh@...nel.org,
        sdf@...gle.com, haoluo@...gle.com, jolsa@...nel.org,
        linux-kernel@...r.kernel.org, kernel-team@...a.com
Subject: Re: [PATCH bpf-next v2 0/3] Enable RCU semantics for task kptrs

Hello:

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

On Fri, 31 Mar 2023 14:57:30 -0500 you wrote:
> In commit 22df776a9a86 ("tasks: Extract rcu_users out of union"), the
> 'refcount_t rcu_users' field was extracted out of a union with the
> 'struct rcu_head rcu' field. This allows us to use the field for
> refcounting struct task_struct with RCU protection, as the RCU callback
> no longer flips rcu_users to be nonzero after the callback is scheduled.
> 
> This patch set leverages this to do a few things:
> 
> [...]

Here is the summary with links:
  - [bpf-next,v2,1/3] bpf: Make struct task_struct an RCU-safe type
    https://git.kernel.org/bpf/bpf-next/c/d02c48fa1139
  - [bpf-next,v2,2/3] bpf: Remove now-defunct task kfuncs
    https://git.kernel.org/bpf/bpf-next/c/f85671c6ef46
  - [bpf-next,v2,3/3] bpf,docs: Update documentation to reflect new task kfuncs
    https://git.kernel.org/bpf/bpf-next/c/db9d479ab59b

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