Message-Id: 
 <177041882833.1106743.17316630593839442939.git-patchwork-notify@kernel.org>
Date: Fri, 06 Feb 2026 23:00:28 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Amery Hung <ameryhung@...il.com>
Cc: bpf@...r.kernel.org, netdev@...r.kernel.org, alexei.starovoitov@...il.com,
 andrii@...nel.org, daniel@...earbox.net, memxor@...il.com,
 martin.lau@...nel.org, kpsingh@...nel.org, yonghong.song@...ux.dev,
 song@...nel.org, haoluo@...gle.com, kernel-team@...a.com
Subject: Re: [PATCH bpf-next v7 00/17] Remove task and cgroup local storage
 percpu
 counters

Hello:

This series was applied to bpf/bpf-next.git (master)
by Martin KaFai Lau <martin.lau@...nel.org>:

On Thu,  5 Feb 2026 14:28:58 -0800 you wrote:
> * Motivation *
> 
> The goal of this patchset is to make bpf syscalls and helpers updating
> task and cgroup local storage more robust by removing percpu counters
> in them. Task local storage and cgroup storage each employs a percpu
> counter to prevent deadlock caused by recursion. Since the underlying
> bpf local storage takes spinlocks in various operations, bpf programs
> running recursively may try to take a spinlock which is already taken.
> For example, when a tracing bpf program called recursively during
> bpf_task_storage_get(..., F_CREATE) tries to call
> bpf_task_storage_get(..., F_CREATE) again, it will cause AA deadlock
> if the percpu variable is not in place.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v7,01/17] bpf: Select bpf_local_storage_map_bucket based on bpf_local_storage
    https://git.kernel.org/bpf/bpf-next/c/0ccef7079ea8
  - [bpf-next,v7,02/17] bpf: Convert bpf_selem_unlink_map to failable
    https://git.kernel.org/bpf/bpf-next/c/1b7e0cae85ac
  - [bpf-next,v7,03/17] bpf: Convert bpf_selem_link_map to failable
    https://git.kernel.org/bpf/bpf-next/c/fd103ffc57c9
  - [bpf-next,v7,04/17] bpf: Convert bpf_selem_unlink to failable
    https://git.kernel.org/bpf/bpf-next/c/403e935f9158
  - [bpf-next,v7,05/17] bpf: Change local_storage->lock and b->lock to rqspinlock
    https://git.kernel.org/bpf/bpf-next/c/8dabe34b9d5b
  - [bpf-next,v7,06/17] bpf: Remove task local storage percpu counter
    https://git.kernel.org/bpf/bpf-next/c/4a98c2efa613
  - [bpf-next,v7,07/17] bpf: Remove cgroup local storage percpu counter
    https://git.kernel.org/bpf/bpf-next/c/5254de7b9607
  - [bpf-next,v7,08/17] bpf: Remove unused percpu counter from bpf_local_storage_map_free
    https://git.kernel.org/bpf/bpf-next/c/3417dffb5833
  - [bpf-next,v7,09/17] bpf: Prepare for bpf_selem_unlink_nofail()
    https://git.kernel.org/bpf/bpf-next/c/c8be3da14718
  - [bpf-next,v7,10/17] bpf: Support lockless unlink when freeing map or local storage
    https://git.kernel.org/bpf/bpf-next/c/5d800f87d0a5
  - [bpf-next,v7,11/17] bpf: Switch to bpf_selem_unlink_nofail in bpf_local_storage_{map_free, destroy}
    https://git.kernel.org/bpf/bpf-next/c/0be08389c7f2
  - [bpf-next,v7,12/17] selftests/bpf: Update sk_storage_omem_uncharge test
    https://git.kernel.org/bpf/bpf-next/c/d652f425d5e3
  - [bpf-next,v7,13/17] selftests/bpf: Update task_local_storage/recursion test
    https://git.kernel.org/bpf/bpf-next/c/e4772031d105
  - [bpf-next,v7,14/17] selftests/bpf: Update task_local_storage/task_storage_nodeadlock test
    https://git.kernel.org/bpf/bpf-next/c/902a79b6389f
  - [bpf-next,v7,15/17] selftests/bpf: Remove test_task_storage_map_stress_lookup
    https://git.kernel.org/bpf/bpf-next/c/e02cf06b85f8
  - [bpf-next,v7,16/17] selftests/bpf: Choose another percpu variable in bpf for btf_dump test
    https://git.kernel.org/bpf/bpf-next/c/cdce7b0848f6
  - [bpf-next,v7,17/17] selftests/bpf: Fix outdated test on storage->smap
    https://git.kernel.org/bpf/bpf-next/c/97b859b5ed04

You are awesome, thank you!
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