From: Kiryl Shutsemau <kirill@shutemov.name>
To: sashiko-reviews@lists.linux.dev, akpm@linux-foundation.org,
rppt@kernel.org, peterx@redhat.com, david@kernel.org
Cc: kvm@vger.kernel.org, ljs@kernel.org, surenb@google.com,
vbabka@kernel.org, Liam.Howlett@oracle.com, ziy@nvidia.com,
corbet@lwn.net, skhan@linuxfoundation.org, seanjc@google.com,
pbonzini@redhat.com, jthoughton@google.com, aarcange@redhat.com,
sj@kernel.org, usama.arif@linux.dev, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kselftest@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH v7 07/15] mm: preserve RWP marker across PTE rewrites
Date: Mon, 29 Jun 2026 17:02:41 +0100 [thread overview]
Message-ID: <akKWzol3mExZhVYq@thinkstation> (raw)
In-Reply-To: <20260629123320.1EF891F000E9@smtp.kernel.org>
On Mon, Jun 29, 2026 at 12:33:19PM +0000, sashiko-bot@kernel.org wrote:
> Thank you for your contribution! Sashiko AI review found 3 potential issue(s) to consider:
> - [Critical] do_swap_page bypasses RWP tracking on non-exclusive private pages by resolving COW faults internally, dropping the RWP marker.
Okay, this one is real. I will add test-case for it and fix in v8.
--
Kiryl Shutsemau / Kirill A. Shutemov
next prev parent reply other threads:[~2026-06-29 16:02 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-29 12:07 [PATCH v7 00/15] userfaultfd: working set tracking for VM guest memory Kiryl Shutsemau
2026-06-29 12:07 ` [PATCH v7 01/15] mm: decouple protnone helpers from CONFIG_NUMA_BALANCING Kiryl Shutsemau
2026-06-29 12:07 ` [PATCH v7 02/15] mm: rename uffd-wp PTE bit macros to uffd Kiryl Shutsemau
2026-06-29 12:07 ` [PATCH v7 03/15] mm: rename uffd-wp PTE accessors " Kiryl Shutsemau
2026-06-29 12:07 ` [PATCH v7 04/15] userfaultfd: test uffd VMA flags through the vma_flags_t API Kiryl Shutsemau
2026-06-29 12:07 ` [PATCH v7 05/15] mm: add VM_UFFD_RWP VMA flag Kiryl Shutsemau
2026-06-29 12:07 ` [PATCH v7 06/15] mm: add MM_CP_UFFD_RWP change_protection() flag Kiryl Shutsemau
2026-06-29 12:27 ` sashiko-bot
2026-06-29 12:07 ` [PATCH v7 07/15] mm: preserve RWP marker across PTE rewrites Kiryl Shutsemau
2026-06-29 12:33 ` sashiko-bot
2026-06-29 16:02 ` Kiryl Shutsemau [this message]
2026-06-29 12:07 ` [PATCH v7 08/15] mm: handle VM_UFFD_RWP in khugepaged, rmap, and GUP Kiryl Shutsemau
2026-06-29 12:50 ` sashiko-bot
2026-06-29 12:07 ` [PATCH v7 09/15] userfaultfd: add UFFDIO_REGISTER_MODE_RWP and UFFDIO_RWPROTECT plumbing Kiryl Shutsemau
2026-06-29 12:40 ` sashiko-bot
2026-06-29 12:07 ` [PATCH v7 10/15] mm/userfaultfd: add RWP fault delivery and expose UFFDIO_REGISTER_MODE_RWP Kiryl Shutsemau
2026-06-29 12:42 ` sashiko-bot
2026-06-29 12:07 ` [PATCH v7 11/15] mm/pagemap: add PAGE_IS_ACCESSED for RWP tracking Kiryl Shutsemau
2026-06-29 12:07 ` [PATCH v7 12/15] userfaultfd: add UFFD_FEATURE_RWP_ASYNC for async fault resolution Kiryl Shutsemau
2026-06-29 12:07 ` [PATCH v7 13/15] userfaultfd: add UFFDIO_SET_MODE for runtime sync/async toggle Kiryl Shutsemau
2026-06-29 12:07 ` [PATCH v7 14/15] selftests/mm: add userfaultfd RWP tests Kiryl Shutsemau
2026-06-29 12:46 ` sashiko-bot
2026-06-29 12:07 ` [PATCH v7 15/15] Documentation/userfaultfd: document RWP working set tracking Kiryl Shutsemau
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