From: Jarkko Sakkinen <jarkko@kernel.org>
To: David Howells <dhowells@redhat.com>
Cc: keyrings@vger.kernel.org, linux-afs@lists.infradead.org,
linux-cifs@vger.kernel.org, linux-integrity@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org,
linux-s390@vger.kernel.org,
linux-security-module@vger.kernel.org, netdev@vger.kernel.org,
Alexander Gordeev <agordeev@linux.ibm.com>,
Anna Schumaker <anna@kernel.org>,
Bharath SM <bharathsm@microsoft.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Biggers <ebiggers@kernel.org>,
Eric Dumazet <edumazet@kernel.org>,
Heiko Carstens <hca@linux.ibm.com>,
Jakub Kicinski <kuba@kernel.org>,
James Bottomley <James.Bottomley@hansenpartnership.com>,
James Morris <jmorris@namei.org>,
Marc Dionne <marc.dionne@auristor.com>,
Mimi Zohar <zohar@linux.ibm.com>,
Namjae Jeon <linkinjeon@kernel.org>,
Paolo Abeni <pabeni@redhat.com>, Paul Moore <paul@paul-moore.com>,
Paulo Alcantara <pc@manguebit.org>,
Ronnie Sahlberg <ronniesahlberg@gmail.com>,
"Serge E. Hallyn" <serge@hallyn.com>,
Shyam Prasad N <sprasad@microsoft.com>,
Simon Horman <horms@kernel.org>,
Sumit Garg <sumit.garg@kernel.org>,
Sven Schnelle <svens@linux.ibm.com>, Tom Talpey <tom@talpey.com>,
Trond Myklebust <trondmy@kernel.org>,
Vasily Gorbik <gor@linux.ibm.com>
Subject: Re: [PATCH v6 00/13] KEYS: Sanitize the garbage collector
Date: Sun, 15 Nov 2026 01:35:44 +0200 [thread overview]
Message-ID: <avjwUDaXiAwNvFai@kernel.org> (raw)
In-Reply-To: <avjutAro2-Q5VPvx@kernel.org>
On Sun, Nov 15, 2026 at 01:28:56AM +0200, Jarkko Sakkinen wrote:
> On Thu, Nov 12, 2026 at 06:02:29AM +0200, Jarkko Sakkinen wrote:
> > 1. Replace key_type_dead retyping with module reference pinning so live
> > keys and restrictions keep their backing key_type module loaded until
> > key_gc_unused_keys() or keyring_destroy() completes.
> > 2. Process serial-tree scans and graveyard destruction in fixed 64-key
> > chunks to a bound workqueue execution latency without hurting overall
> > throughput for a significant amount.
> >
> > The first part has a user-space visible effect: rmmod returns -EBUSY while
> > keys or keyring restrictions still pin the backing module.
> >
> > Internal key caches or transport state bottlenecks are addressed by either
> > clearing their private caches on last-client teardown or splitting key
> > types into dedicated provider modules.
>
> This passes bot+bpf-ci@kernel.org and Sashiko other than the remark
> about inline comment.
>
> I'll update the inline comment, and make the commits available at
> -next.
>
> I'll leave S390 fixes out as they are out-of-band. They can be
> picked from this patch set; or I can later on send a separate
> patch set.
Done: https://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git/log/?h=for-next-keys
Br, Jarkko
prev parent reply other threads:[~2026-11-14 23:35 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-12 4:02 [PATCH v6 00/13] KEYS: Sanitize the garbage collector Jarkko Sakkinen
2026-11-12 4:02 ` [PATCH v6 01/13] KEYS: Add key_gc_flush() for draining RCU callbacks Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 02/13] dns_resolver: Move the key type into a separate module Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 03/13] NFSv4: Clear idmap keyring cache when the last client unloads Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 04/13] smb: client: Clear idmap/SPNEGO caches when the last session is unloaded Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 05/13] s390/cert_store: Start tracking subsystem keys Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 06/13] KEYS: trusted: Update static calls before init Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 07/13] KEYS: trusted: TEE: Synchronize session lifetime Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 08/13] KEYS: trusted: TEE: Disable sysfs bind attributes Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 09/13] rxrpc: Release conn->key when init_connection_security() fails Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 10/13] rxrpc: Move key types to their own module Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 11/13] KEYS: Pin the backing kernel module for a key type Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 12/13] KEYS: Remove key_type_dead Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 4:02 ` [PATCH v6 13/13] KEYS: key_garbage_collector(): process in chunks Jarkko Sakkinen
2026-11-12 4:31 ` sashiko-bot
2026-11-12 8:11 ` [PATCH v6 00/13] KEYS: Sanitize the garbage collector Jarkko Sakkinen
2026-11-14 23:28 ` Jarkko Sakkinen
2026-11-14 23:35 ` Jarkko Sakkinen [this message]
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