Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.

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To: Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx>
Subject: Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Thu, 15 Feb 2024 13:26:35 -0800
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, bpf <bpf@xxxxxxxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>, Eddy Z <eddyz87@xxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Barret Rhoden <brho@xxxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Lorenzo Stoakes <lstoakes@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Uladzislau Rezki <urezki@xxxxxxxxx>, linux-mm <linux-mm@xxxxxxxxx>, Kernel Team <kernel-team@xxxxxx>
In-reply-to: <CAADnVQJ8azcUznU6KHhwEM99NUOx8oai8EOyay4dxLM6ho8mjw@mail.gmail.com>
References: <20240209040608.98927-1-alexei.starovoitov@gmail.com> <20240209040608.98927-5-alexei.starovoitov@gmail.com> <Zcx7lXfPxCEtNjDC@infradead.org> <CAADnVQKT9X1iSLXojVs1sWy4B-qEGccuk6S6u1d9GBmW9pBAeA@mail.gmail.com> <Zc22DluhMNk5_Zfn@infradead.org> <CAADnVQJ8azcUznU6KHhwEM99NUOx8oai8EOyay4dxLM6ho8mjw@mail.gmail.com>

On Thu, 15 Feb 2024 at 12:51, Alexei Starovoitov
<alexei.starovoitov@xxxxxxxxx> wrote:
>
> I didn't invent it. I internalized it based on the feedback received.

No. It's not up to maintainers to suggest alternatives. Sometimes it's
simply enough to explain *why* something isn't acceptable.

A plain "no" without explanation isn't sufficient. NAKs need a good
reason. But they don't need more than that.

The onus of coming up with an acceptable solution is on the person who
needs something new.

          Linus

References:
- [PATCH v2 bpf-next 00/20] bpf: Introduce BPF arena.
  - From: Alexei Starovoitov
- [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Alexei Starovoitov
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Christoph Hellwig
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Alexei Starovoitov
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Christoph Hellwig
- Re: [PATCH v2 bpf-next 04/20] mm: Expose vmap_pages_range() to the rest of the kernel.
  - From: Alexei Starovoitov

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