Dear RT Folks,
This is the RT stable review cycle of patch 4.14.292-rt138-rc2.
Please scream at me if I messed something up. Please test the patches
too.
The -rc release will be uploaded to kernel.org and will be deleted
when the final release is out. This is just a review release (or
release candidate).
The pre-releases will not be pushed to the git repository, only the
final release is.
If all goes well, this patch will be converted to the next main
release on 2022-10-18.
Context for this RC:
- v4.14.282-rt135: Latest v4.14-rt release in the repository.
- v4.14.282-rt136: Reverted the RT-specific changes to core random() code:
6c44e13a906db Revert "drivers: random: Reduce preempt disabled region"
eb93f866c40dd Revert "random: Make it work on rt"
c88021dd7588c Revert "random: avoid preempt_disable()ed section"
c5bd012a413d7 Revert "char/random: don't print that the init is done"
- v4.14.292-rt137: With the revert of the RT changes to random() I was able
to merge up to stable v4.14.292, where a new merge conflict appeared.
This kernel has the core random() code broken on RT.
- v4.14.292-rt138-rc2: Applied the patchset Sebastian wrote to fix the core
random() code in v4.9, from:
https://lkml.kernel.org/r/20220819092446.980320-1-bigeasy@xxxxxxxxxxxxx
With exception of the following changes:
- timers: Keep interrupts disabled for TIMER_IRQSAFE timer
Caused a kernel freeze at boot.
- timers: Don't block on ->expiry_lock for TIMER_IRQSAFE timers
Required a rework of commit ca348b4349512 ("timers: Redo the
notification of canceling timers on -RT") and dependencies.
To build 4.14.292-rt138-rc2 directly, the following patches should be applied:
https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.14.tar.xz
https://www.kernel.org/pub/linux/kernel/v4.x/patch-4.14.292.xz
https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patch-4.14.292-rt138-rc2.patch.xz
Signing key fingerprint:
4FDD B8C4 3C59 34BD 8BE9 2696 7203 D980 A448 C8F8
All keys used for the above files and repositories can be found on the
following git repository:
git://git.kernel.org/pub/scm/docs/kernel/pgpkeys.git
Enjoy!
Luis
Changes from v4.14.292-rt137:
Luis Claudio R. Goncalves (1):
Linux 4.14.292-rt138-rc2
Sebastian Andrzej Siewior (6):
random: Bring back the local_locks
Revert "workqueue: Use local irq lock instead of irq disable regions"
Revert "workqueue: Prevent deadlock/stall on RT"
rcu: Intrdroduce rcuwait.
workqueue: Use rcuwait for wq_manager_wait
workqueue: Convert the pool::lock and wq_mayday_lock to raw_spinlock_t
drivers/char/random.c | 15 +-
include/linux/rcuwait.h | 63 +++++---
kernel/exit.c | 20 +--
kernel/locking/percpu-rwsem.c | 3 +-
kernel/rcu/update.c | 8 +
kernel/workqueue.c | 278 +++++++++++++++-------------------
localversion-rt | 2 +-
7 files changed, 195 insertions(+), 194 deletions(-)
--
2.37.3
