From: Matthew Wilcox <willy@infradead.org>
To: "Kalyazin, Nikita" <kalyazin@amazon.co.uk>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
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"Cali, Marco" <xmarcalx@amazon.co.uk>
Subject: Re: [RFC PATCH v6 1/2] mm: guestmem: introduce guestmem library
Date: Tue, 16 Sep 2025 03:00:23 +0100 [thread overview]
Message-ID: <aMjEt1JKjf789o24@casper.infradead.org> (raw)
In-Reply-To: <20250915161815.40729-2-kalyazin@amazon.com>
On Mon, Sep 15, 2025 at 04:18:27PM +0000, Kalyazin, Nikita wrote:
> From: Nikita Kalyazin <kalyazin@amazon.com>
>
> Move MM-generic parts of guest_memfd from KVM to MM. This allows other
> hypervisors to use guestmem code and enables UserfaultFD implementation
> for guest_memfd [1]. Previously it was not possible because KVM (and
> guest_memfd code) might be built as a module.
https://lore.kernel.org/kvm/Z0DOdTRAaK3whZKW@casper.infradead.org/
remains un-addressed.
ie this entire approach is garbage. throw it away and start again.
next prev parent reply other threads:[~2025-09-16 2:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-15 16:18 [RFC PATCH v6 0/2] mm: Refactor KVM guest_memfd to " Kalyazin, Nikita
2025-09-15 16:18 ` [RFC PATCH v6 1/2] mm: guestmem: " Kalyazin, Nikita
2025-09-16 2:00 ` Matthew Wilcox [this message]
2025-09-15 16:18 ` [RFC PATCH v6 2/2] userfaulfd: add minor mode for guestmem Kalyazin, Nikita
2025-09-15 21:25 ` [RFC PATCH v6 0/2] mm: Refactor KVM guest_memfd to introduce guestmem library Peter Xu
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