Re: (subset) [PATCH v4 0/4] procfs: make reference pidns more user-visible

[Christian Brauner <brauner@kernel.org>]

On Tue, 05 Aug 2025 15:45:07 +1000, Aleksa Sarai wrote:
> Ever since the introduction of pid namespaces, procfs has had very
> implicit behaviour surrounding them (the pidns used by a procfs mount is
> auto-selected based on the mounting process's active pidns, and the
> pidns itself is basically hidden once the mount has been constructed).
> 
> /* pidns mount option for procfs */
> 
> [...]

Applied to the vfs-6.18.procfs branch of the vfs/vfs.git tree.
Patches in the vfs-6.18.procfs branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs-6.18.procfs

[1/4] pidns: move is-ancestor logic to helper
      https://git.kernel.org/vfs/vfs/c/60d22c6ef41b
[2/4] procfs: add "pidns" mount option
      https://git.kernel.org/vfs/vfs/c/77e211dd1392
[4/4] selftests/proc: add tests for new pidns APIs
      https://git.kernel.org/vfs/vfs/c/568d4239002c