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252120f79aChristian Brauner <brauner@kernel.org> says:
For the v6.13 cycle we switched overlayfs to a variant of
override_creds() that doesn't take an extra reference. To this end I
suggested introducing {override,revert}_creds_light() which overlayfs
could use.
This seems to work rather well. This series follow Linus advice and
unifies the separate helpers and simply makes {override,revert}_creds()
do what {override,revert}_creds_light() currently does. Caller's that
really need the extra reference count can take it manually.
* patches from https://lore.kernel.org/r/20241125-work-cred-v2-0-68b9d38bb5b2@kernel.org: (29 commits)
cred: remove unused get_new_cred()
nfsd: avoid pointless cred reference count bump
cachefiles: avoid pointless cred reference count bump
dns_resolver: avoid pointless cred reference count bump
trace: avoid pointless cred reference count bump
cgroup: avoid pointless cred reference count bump
acct: avoid pointless reference count bump
io_uring: avoid pointless cred reference count bump
smb: avoid pointless cred reference count bump
cifs: avoid pointless cred reference count bump
cifs: avoid pointless cred reference count bump
ovl: avoid pointless cred reference count bump
open: avoid pointless cred reference count bump
nfsfh: avoid pointless cred reference count bump
nfs/nfs4recover: avoid pointless cred reference count bump
nfs/nfs4idmap: avoid pointless reference count bump
nfs/localio: avoid pointless cred reference count bumps
coredump: avoid pointless cred reference count bump
binfmt_misc: avoid pointless cred reference count bump
aio: avoid pointless cred reference count bump
...
Link: https://lore.kernel.org/r/20241125-work-cred-v2-0-68b9d38bb5b2@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.