Re: [PATCH v2 bpf-next 0/9] bpf_refcount followups (part 1)

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Hello:

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

On Thu, 1 Jun 2023 19:26:38 -0700 you wrote:
> This series is the first of two (or more) followups to address issues in the
> bpf_refcount shared ownership implementation discovered by Kumar.
> Specifically, this series addresses the "bpf_refcount_acquire on non-owning ref
> in another tree" scenario described in [0], and does _not_ address issues
> raised in [1]. Further followups will address the other issues.
> 
> The series can be applied without re-enabling bpf_refcount_acquire calls, which
> were disabled in commit 7deca5eae833 ("bpf: Disable bpf_refcount_acquire kfunc
> calls until race conditions are fixed") until all issues are addressed. Some
> extra patches are included so that BPF CI tests will exercise test changes in
> the series.
> 
> [...]

Here is the summary with links:
  - [v2,bpf-next,1/9,DONOTAPPLY] Revert "bpf: Disable bpf_refcount_acquire kfunc calls until race conditions are fixed"
    (no matching commit)
  - [v2,bpf-next,2/9] bpf: Set kptr_struct_meta for node param to list and rbtree insert funcs
    https://git.kernel.org/bpf/bpf-next/c/2140a6e3422d
  - [v2,bpf-next,3/9] bpf: Fix __bpf_{list,rbtree}_add's beginning-of-node calculation
    https://git.kernel.org/bpf/bpf-next/c/cc0d76cafebb
  - [v2,bpf-next,4/9] bpf: Make bpf_refcount_acquire fallible for non-owning refs
    https://git.kernel.org/bpf/bpf-next/c/7793fc3babe9
  - [v2,bpf-next,5/9,DONOTAPPLY] bpf: Allow KF_DESTRUCTIVE-flagged kfuncs to be called under spinlock
    (no matching commit)
  - [v2,bpf-next,6/9,DONOTAPPLY] selftests/bpf: Add unsafe lock/unlock and refcount_read kfuncs to bpf_testmod
    (no matching commit)
  - [v2,bpf-next,7/9,DONOTAPPLY] selftests/bpf: Add test exercising bpf_refcount_acquire race condition
    (no matching commit)
  - [v2,bpf-next,8/9,DONOTAPPLY] selftests/bpf: Disable newly-added refcounted_kptr_races test
    (no matching commit)
  - [v2,bpf-next,9/9,DONOTAPPLY] Revert "selftests/bpf: Disable newly-added refcounted_kptr_races test"
    (no matching commit)

You are awesome, thank you!
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