Re: [PATCH bpf v6 0/3] bpf: fix and improve open-coded task_vma iterator

[patchwork-bot+netdevbpf@kernel.org]

Hello:

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

On Wed,  8 Apr 2026 08:45:34 -0700 you wrote:
> Changelog:
> v5: https://lore.kernel.org/all/20260326151111.4002475-1-puranjay@kernel.org/
> Changes in v6:
> - Replace local_irq_disable() + get_task_mm() with spin_trylock() on
>   alloc_lock to avoid a softirq deadlock: if the target task holds its
>   alloc_lock and gets interrupted, a softirq BPF program iterating
>   that task would deadlock on task_lock() (Gemini)
> - Gate on CONFIG_MMU in patch 1 so that the mmput() fallback in
>   bpf_iter_mmput_async() cannot sleep in non-sleepable BPF context
>   on NOMMU; patch 2 tightens this to CONFIG_PER_VMA_LOCK (Gemini)
> - Merge the split if (irq_work_busy) / if (!mmap_read_trylock())
>   back into a single if statement in patch 1 (Andrii)
> - Flip comparison direction in bpf_iter_task_vma_find_next() so both
>   the locked and unlocked VMA failure cases read consistently:
>   end <= next_addr → PAGE_SIZE, else - use end (Andrii)
> - Add Acked-by from Andrii on patch 3
> 
> [...]

Here is the summary with links:
  - [bpf,v6,1/3] bpf: fix mm lifecycle in open-coded task_vma iterator
    https://git.kernel.org/bpf/bpf-next/c/d8e27d2d22b6
  - [bpf,v6,2/3] bpf: switch task_vma iterator from mmap_lock to per-VMA locks
    https://git.kernel.org/bpf/bpf-next/c/bee9ef4a40a2
  - [bpf,v6,3/3] bpf: return VMA snapshot from task_vma iterator
    https://git.kernel.org/bpf/bpf-next/c/4cbee026db54

You are awesome, thank you!
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