Re: [PATCH 00/14] mm: convert further simple mmap hooks to mmap_prepare

[Paul Moore <paul@xxxxxxxxxxxxxx>]

On Thu, Nov 5, 2026 at 4:06 PM Lorenzo Stoakes (ARM) <ljs@xxxxxxxxxx> wrote:
>
> Continue the conversion of users of the deprecated f_op->mmap callback to
> f_op->mmap_prepare. Keep things gentle this cycle by targeting simple
> cases.
>
> No functional change intended.
>
> Build tested on x86-64 (allmodconfig, each patch individually), i386,
> arm64 and ppc64le.
>
> <<>>
>
> David, Andrew - I wonder whether one of you guys could take this series
> through your tree? Since it's kernel-wide it seems sensible to take it
> through an mm tree.

Granted I've only properly looked at the SELinux patch (7/14), the
rest I've just skimmed through, but these are all independent patches,
right?  Is there any reason why individual subsystem maintainers
shouldn't just pick up their associated patch?  Yes, perhaps chasing
down individual maintainers is a bit more work, but isn't that the way
this should work?

> Lorenzo Stoakes (ARM) (14):
>       xen/privcmd: convert mmap hook to mmap_prepare
>       KVM: PPC: Book3S: convert spapr TCE mmap hook to mmap_prepare
>       mshv_vtl: convert mmap hooks to mmap_prepare
>       vduse: convert IOVA domain mmap hook to mmap_prepare
>       x86/sgx: convert vepc mmap hook to mmap_prepare
>       udf: convert mmap hook to mmap_prepare
>       selinuxfs: convert mmap hooks to mmap_prepare
>       xen: convert xenstore interface mmap hooks to mmap_prepare
>       soc: aspeed: convert LPC and P2A control mmap hooks to mmap_prepare
>       soc: qcom: rmtfs_mem: convert mmap hook to mmap_prepare
>       tee: convert shm mmap hook to mmap_prepare
>       misc: bcm-vk: convert mmap hook to mmap_prepare
>       ptp: vmclock: convert mmap hook to mmap_prepare
>       vhost-vdpa: convert mmap hook to mmap_prepare
>
>  arch/powerpc/kvm/book3s_64_vio.c        |  6 +++---
>  arch/x86/kernel/cpu/sgx/virt.c          | 15 ++++++++-------
>  drivers/hv/mshv_vtl_main.c              | 14 +++++++-------
>  drivers/misc/bcm-vk/bcm_vk_dev.c        | 20 ++++++++++----------
>  drivers/ptp/ptp_vmclock.c               | 19 +++++++++----------
>  drivers/soc/aspeed/aspeed-lpc-ctrl.c    | 20 +++++++++-----------
>  drivers/soc/aspeed/aspeed-p2a-ctrl.c    | 22 ++++++++--------------
>  drivers/soc/qcom/rmtfs_mem.c            | 22 ++++++++++------------
>  drivers/tee/tee_shm.c                   | 14 +++++++-------
>  drivers/vdpa/vdpa_user/iova_domain.c    | 12 ++++++------
>  drivers/vhost/vdpa.c                    | 23 ++++++++++++-----------
>  drivers/xen/privcmd.c                   | 11 +++++------
>  drivers/xen/xenbus/xenbus_dev_backend.c | 14 ++++++--------
>  drivers/xen/xenfs/xenstored.c           | 14 ++++++--------
>  fs/udf/file.c                           |  8 ++++----
>  security/selinux/selinuxfs.c            | 24 +++++++++++-------------
>  16 files changed, 121 insertions(+), 137 deletions(-)

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