Re: [PATCH v3 25/25] Revert "riscv: mm: Add support for ZONE_DEVICE"

[PATCH v3 00/25] fs/dax: Fix ZONE_DEVICE page reference counts · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 01/25] fuse: Fix dax truncate/punch_hole fault path · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 02/25] fs/dax: Return unmapped busy pages from dax_layout_busy_page_range() · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 03/25] fs/dax: Don't skip locked entries when scanning entries · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 04/25] fs/dax: Refactor wait for dax idle page · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 05/25] fs/dax: Create a common implementation to break DAX layouts · Alistair Popple <apopple@nvidia.com> · 2024-11-22
Re: [PATCH v3 05/25] fs/dax: Create a common implementation to break DAX layouts · John Hubbard <jhubbard@nvidia.com> · 2024-11-22
Re: [PATCH v3 05/25] fs/dax: Create a common implementation to break DAX layouts · Alistair Popple <apopple@nvidia.com> · 2024-11-22
Re: [PATCH v3 05/25] fs/dax: Create a common implementation to break DAX layouts · kernel test robot <hidden> · 2024-11-25
[PATCH v3 06/25] fs/dax: Always remove DAX page-cache entries when breaking layouts · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 07/25] fs/dax: Ensure all pages are idle prior to filesystem unmount · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 08/25] fs/dax: Remove PAGE_MAPPING_DAX_SHARED mapping flag · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 09/25] mm/gup.c: Remove redundant check for PCI P2PDMA page · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 10/25] pci/p2pdma: Don't initialise page refcount to one · Alistair Popple <apopple@nvidia.com> · 2024-11-22
Re: [PATCH v3 10/25] pci/p2pdma: Don't initialise page refcount to one · Bjorn Helgaas <helgaas@kernel.org> · 2024-11-22
Re: [PATCH v3 10/25] pci/p2pdma: Don't initialise page refcount to one · Alistair Popple <apopple@nvidia.com> · 2024-11-24
[PATCH v3 11/25] mm: Allow compound zone device pages · Alistair Popple <apopple@nvidia.com> · 2024-11-22
Re: [PATCH v3 11/25] mm: Allow compound zone device pages · kernel test robot <hidden> · 2024-11-25
Re: [PATCH v3 11/25] mm: Allow compound zone device pages · kernel test robot <hidden> · 2024-11-25
[PATCH v3 12/25] mm/memory: Enhance insert_page_into_pte_locked() to create writable mappings · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 13/25] mm/memory: Add vmf_insert_page_mkwrite() · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 14/25] huge_memory: Allow mappings of PUD sized pages · Alistair Popple <apopple@nvidia.com> · 2024-11-22
Re: [PATCH v3 14/25] huge_memory: Allow mappings of PUD sized pages · David Hildenbrand <hidden> · 2024-12-14
[PATCH v3 15/25] huge_memory: Allow mappings of PMD sized pages · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 16/25] memremap: Add is_device_dax_page() and is_fsdax_page() helpers · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 17/25] gup: Don't allow FOLL_LONGTERM pinning of FS DAX pages · Alistair Popple <apopple@nvidia.com> · 2024-11-22
Re: [PATCH v3 17/25] gup: Don't allow FOLL_LONGTERM pinning of FS DAX pages · John Hubbard <jhubbard@nvidia.com> · 2024-11-22
[PATCH v3 18/25] proc/task_mmu: Ignore ZONE_DEVICE pages · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 19/25] memcontrol-v1: Ignore ZONE_DEVICE pages · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 20/25] mm/mlock: Skip ZONE_DEVICE PMDs during mlock · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 21/25] fs/dax: Properly refcount fs dax pages · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 22/25] device/dax: Properly refcount device dax pages when mapping · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 23/25] mm: Remove pXX_devmap callers · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 24/25] mm: Remove devmap related functions and page table bits · Alistair Popple <apopple@nvidia.com> · 2024-11-22
[PATCH v3 25/25] Revert "riscv: mm: Add support for ZONE_DEVICE" · Alistair Popple <apopple@nvidia.com> · 2024-11-22
Re: [PATCH v3 25/25] Revert "riscv: mm: Add support for ZONE_DEVICE" · Björn Töpel <bjorn@kernel.org> · 2024-11-25
Re: [PATCH v3 00/25] fs/dax: Fix ZONE_DEVICE page reference counts · Dan Williams <hidden> · 2024-12-14
Re: [PATCH v3 00/25] fs/dax: Fix ZONE_DEVICE page reference counts · David Hildenbrand <hidden> · 2024-12-14
Re: [PATCH v3 00/25] fs/dax: Fix ZONE_DEVICE page reference counts · Alistair Popple <apopple@nvidia.com> · 2024-12-16
Re: [PATCH v3 00/25] fs/dax: Fix ZONE_DEVICE page reference counts · Andrew Morton <akpm@linux-foundation.org> · 2024-12-16
Re: [PATCH v3 00/25] fs/dax: Fix ZONE_DEVICE page reference counts · Alistair Popple <apopple@nvidia.com> · 2024-12-17

From: Björn Töpel <bjorn@kernel.org>
Date: 2024-11-25 13:13:20
Also in: linux-arm-kernel, linux-cxl, linux-doc, linux-ext4, linux-fsdevel, linux-mm, linux-riscv, linux-xfs, lkml, nvdimm

Alistair Popple [off-list ref] writes:

DEVMAP PTEs are no longer required to support ZONE_DEVICE so remove
them.

Signed-off-by: Alistair Popple <apopple@nvidia.com>
Suggested-by: Chunyan Zhang <zhang.lyra@gmail.com>

Oh, we're getting the bit back! Thanks!

Reviewed-by: Björn Töpel <redacted>

`h`	back out one level
`j`	next message in thread
`k`	previous message in thread
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help