kernel-rt-5.12.0-0.rc4.175.rt3.7

* Wed Mar 31 2021 Juri Lelli <juri.lelli@redhat.com> [5.12.0-0.rc4.175.rt3.7]
- Add localversion for -RT release (Thomas Gleixner)
- sysfs: Add /sys/kernel/realtime entry (Clark Williams)
- genirq: Disable irqpoll on -rt (Ingo Molnar)
- signals: Allow RT tasks to cache one sigqueue struct (Thomas Gleixner)
- tpm_tis: fix stall after iowrite*()s (Haris Okanovic)
- drivers/block/zram: Replace bit spinlocks with rtmutex for -rt (Mike Galbraith)
- POWERPC: Allow to enable RT (Sebastian Andrzej Siewior)
- powerpc: Avoid recursive header includes (Sebastian Andrzej Siewior)
- powerpc/stackprotector: work around stack-guard init from atomic (Sebastian Andrzej Siewior)
- powerpc/kvm: Disable in-kernel MPIC emulation for PREEMPT_RT (Bogdan Purcareata)
- powerpc/pseries/iommu: Use a locallock instead local_irq_save() (Sebastian Andrzej Siewior)
- powerpc: traps: Use PREEMPT_RT (Sebastian Andrzej Siewior)
- ARM64: Allow to enable RT (Sebastian Andrzej Siewior)
- ARM: Allow to enable RT (Sebastian Andrzej Siewior)
- x86: Enable RT also on 32bit (Sebastian Andrzej Siewior)
- arm64: fpsimd: Delay freeing memory in fpsimd_flush_thread() (Sebastian Andrzej Siewior)
- KVM: arm/arm64: downgrade preempt_disable()d region to migrate_disable() (Josh Cartwright)
- genirq: update irq_set_irqchip_state documentation (Josh Cartwright)
- ARM: enable irq in translation/section permission fault handlers (Yadi.hu)
- tty/serial/pl011: Make the locking work on RT (Thomas Gleixner)
- tty/serial/omap: Make the locking RT aware (Thomas Gleixner)
- leds: trigger: disable CPU trigger on -RT (Sebastian Andrzej Siewior)
- jump-label: disable if stop_machine() is used (Thomas Gleixner)
- arch/arm64: Add lazy preempt support (Anders Roxell)
- powerpc: Add support for lazy preemption (Thomas Gleixner)
- arm: Add support for lazy preemption (Thomas Gleixner)
- x86: Support for lazy preemption (Thomas Gleixner)
- x86/entry: Use should_resched() in idtentry_exit_cond_resched() (Sebastian Andrzej Siewior)
- sched: Add support for lazy preemption (Thomas Gleixner)
- mm/scatterlist: Do not disable irqs on RT (Thomas Gleixner)
- x86: Allow to enable RT (Sebastian Andrzej Siewior)
- cpuset: Convert callback_lock to raw_spinlock_t (Mike Galbraith)
- drm/i915/gt: Only disable interrupts for the timeline lock on !force-threaded (Sebastian Andrzej Siewior)
- drm/i915: skip DRM_I915_LOW_LEVEL_TRACEPOINTS with NOTRACE (Sebastian Andrzej Siewior)
- drm/i915: disable tracing on -RT (Sebastian Andrzej Siewior)
- drm/i915: Don't disable interrupts on PREEMPT_RT during atomic updates (Mike Galbraith)
- drm,radeon,i915: Use preempt_disable/enable_rt() where recommended (Mike Galbraith)
- lockdep: disable self-test (Sebastian Andrzej Siewior)
- lockdep: selftest: fix warnings due to missing PREEMPT_RT conditionals (Josh Cartwright)
- lockdep: selftest: Only do hardirq context test for raw spinlock (Yong Zhang)
- lockdep: Make it RT aware (Thomas Gleixner)
- net: Remove preemption disabling in netif_rx() (Priyanka Jain)
- random: Make it work on rt (Thomas Gleixner)
- x86: stackprotector: Avoid random pool on rt (Thomas Gleixner)
- panic: skip get_random_bytes for RT_FULL in init_oops_id (Thomas Gleixner)
- crypto: cryptd - add a lock instead preempt_disable/local_bh_disable (Sebastian Andrzej Siewior)
- crypto: limit more FPU-enabled sections (Sebastian Andrzej Siewior)
- irqwork: push most work into softirq context (Sebastian Andrzej Siewior)
- net: dev: always take qdisc's busylock in __dev_xmit_skb() (Sebastian Andrzej Siewior)
- net: Dequeue in dev_cpu_dead() without the lock (Sebastian Andrzej Siewior)
- net: Use skbufhead with raw lock (Thomas Gleixner)
- debugobjects: Make RT aware (Thomas Gleixner)
- fs: namespace: Use cpu_chill() in trylock loops (Thomas Gleixner)
- rt: Introduce cpu_chill() (Thomas Gleixner)
- sunrpc: Make svc_xprt_do_enqueue() use get_cpu_light() (Mike Galbraith)
- scsi/fcoe: Make RT aware. (Thomas Gleixner)
- md: raid5: Make raid5_percpu handling RT aware (Thomas Gleixner)
- block/mq: do not invoke preempt_disable() (Sebastian Andrzej Siewior)
- mm/vmalloc: Another preempt disable region which sucks (Thomas Gleixner)
- rcutorture: Avoid problematic critical section nesting on RT (Scott Wood)
- locking: Make spinlock_t and rwlock_t a RCU section on RT (Sebastian Andrzej Siewior)
- rcu: Delay RCU-selftests (Sebastian Andrzej Siewior)
- ptrace: fix ptrace_unfreeze_traced() race with rt-lock (Oleg Nesterov)
- ptrace: fix ptrace vs tasklist_lock race (Sebastian Andrzej Siewior)
- pid.h: include atomic.h (Grygorii Strashko)
- net/core: use local_bh_disable() in netif_rx_ni() (Sebastian Andrzej Siewior)
- softirq: Disable softirq stacks for RT (Thomas Gleixner)
- softirq: Check preemption after reenabling interrupts (Thomas Gleixner)
- sched: Disable TTWU_QUEUE on RT (Thomas Gleixner)
- sched: Do not account rcu_preempt_depth on RT in might_sleep() (Thomas Gleixner)
- kernel/sched: move stack + kprobe clean up to __put_task_struct() (Sebastian Andrzej Siewior)
- sched: Move mmdrop to RCU on RT (Thomas Gleixner)
- sched: Limit the number of task migrations per batch (Thomas Gleixner)
- wait.h: include atomic.h (Sebastian Andrzej Siewior)
- x86: kvm Require const tsc for RT (Thomas Gleixner)
- mm/zsmalloc: copy with get_cpu_var() and locking (Mike Galbraith)
- mm/memcontrol: Replace local_irq_disable with local locks (Sebastian Andrzej Siewior)
- mm/memcontrol: Don't call schedule_work_on in preemption disabled context (Yang Shi)
- mm: memcontrol: Provide a local_lock for per-CPU memcg_stock (Sebastian Andrzej Siewior)
- mm: slub: Don't enable partial CPU caches on PREEMPT_RT by default (Sebastian Andrzej Siewior)
- mm: page_alloc: Use a local_lock instead of explicit local_irq_save(). (Ingo Molnar)
- mm: page_alloc: Use migrate_disable() in drain_local_pages_wq() (Sebastian Andrzej Siewior)
- mm: slub: Don't resize the location tracking cache on PREEMPT_RT (Sebastian Andrzej Siewior)
- mm: slub: Move flush_cpu_slab() invocations __free_slab() invocations out of IRQ context (Sebastian Andrzej Siewior)
- mm: slub: Move discard_slab() invocations out of IRQ-off sections (Sebastian Andrzej Siewior)
- mm: slub: Enable irqs for __GFP_WAIT (Thomas Gleixner)
- mm: slub: Make object_map_lock a raw_spinlock_t (Sebastian Andrzej Siewior)
- mm: sl[au]b: Change list_lock to raw_spinlock_t (Thomas Gleixner)
- locking: don't check for __LINUX_SPINLOCK_TYPES_H on -RT archs (Sebastian Andrzej Siewior)
- trace: Add migrate-disabled counter to tracing output (Thomas Gleixner)
- kernel/sched: add {put|get}_cpu_light() (Sebastian Andrzej Siewior)
- signal/x86: Delay calling signals in atomic (Oleg Nesterov)
- rt: Add local irq locks (Thomas Gleixner)
- efi: Allow efi=runtime (Sebastian Andrzej Siewior)
- efi: Disable runtime services on RT (Sebastian Andrzej Siewior)
- net/core: disable NET_RX_BUSY_POLL on RT (Sebastian Andrzej Siewior)
- sched: Disable CONFIG_RT_GROUP_SCHED on RT (Thomas Gleixner)
- mm: Allow only SLUB on RT (Ingo Molnar)
- kconfig: Disable config options which are not RT compatible (Thomas Gleixner)
- net: Properly annotate the try-lock for the seqlock (Sebastian Andrzej Siewior)
- net/Qdisc: use a seqlock instead seqcount (Sebastian Andrzej Siewior)
- fs/dcache: disable preemption on i_dir_seq's write side (Sebastian Andrzej Siewior)
- fs/dcache: use swait_queue instead of waitqueue (Sebastian Andrzej Siewior)
- u64_stats: Disable preemption on 32bit-UP/SMP with RT during updates (Sebastian Andrzej Siewior)
- xfrm: Use sequence counter with associated spinlock (Ahmed S. Darwish)
- mm/memcontrol: Disable preemption in __mod_memcg_lruvec_state() (Sebastian Andrzej Siewior)
- mm/vmstat: Protect per cpu variables with preempt disable on RT (Ingo Molnar)
- preempt: Provide preempt_*_(no)rt variants (Thomas Gleixner)
- signal: Revert ptrace preempt magic (Thomas Gleixner)
- locking/rtmutex: Use custom scheduling function for spin-schedule() (Sebastian Andrzej Siewior)
- locking/rtmutex: add ww_mutex addon for mutex-rt (Sebastian Andrzej Siewior)
- locking/rtmutex: wire up RT's locking (Thomas Gleixner)
- locking/rtmutex: add rwlock implementation based on rtmutex (Thomas Gleixner)
- locking/rtmutex: add rwsem implementation based on rtmutex (Thomas Gleixner)
- locking/rtmutex: add mutex implementation based on rtmutex (Thomas Gleixner)
- locking/rtmutex: Allow rt_mutex_trylock() on PREEMPT_RT (Sebastian Andrzej Siewior)
- locking/rtmutex: add sleeping lock implementation (Thomas Gleixner)
- sched: Add saved_state for tasks blocked on sleeping locks (Thomas Gleixner)
- locking/rtmutex: export lockdep-less version of rt_mutex's lock, trylock and unlock (Thomas Gleixner)
- locking/rtmutex: Provide rt_mutex_slowlock_locked() (Thomas Gleixner)
- locking: split out the rbtree definition (Sebastian Andrzej Siewior)
- lockdep: Reduce header files in debug_locks.h (Sebastian Andrzej Siewior)
- locking/rtmutex: Avoid include hell (Thomas Gleixner)
- locking/spinlock: Split the lock types header (Thomas Gleixner)
- locking/rtmutex: Make lock_killable work (Thomas Gleixner)
- futex: Fix bug on when a requeued RT task times out (Steven Rostedt)
- locking/rtmutex: Handle the various new futex race conditions (Thomas Gleixner)
- locking/rtmutex: Remove rt_mutex_timed_lock() (Sebastian Andrzej Siewior)
- locking/rtmutex: Move rt_mutex_init() outside of CONFIG_DEBUG_RT_MUTEXES (Sebastian Andrzej Siewior)
- locking/rtmutex: Remove output from deadlock detector. (Sebastian Andrzej Siewior)
- locking/rtmutex: Remove cruft (Sebastian Andrzej Siewior)
- rcu: Prevent false positive softirq warning on RT (Thomas Gleixner)
- tick/sched: Prevent false positive softirq pending warnings on RT (Thomas Gleixner)
- softirq: Make softirq control and processing RT aware (Thomas Gleixner)
- softirq: Move various protections into inline helpers (Thomas Gleixner)
- irqtime: Make accounting correct on RT (Thomas Gleixner)
- softirq: Add RT specific softirq accounting (Thomas Gleixner)
- tasklets: Switch tasklet_disable() to the sleep wait variant (Thomas Gleixner)
- firewire: ohci: Use tasklet_disable_in_atomic() where required (Sebastian Andrzej Siewior)
- PCI: hv: Use tasklet_disable_in_atomic() (Sebastian Andrzej Siewior)
- atm: eni: Use tasklet_disable_in_atomic() in the send() callback (Sebastian Andrzej Siewior)
- ath9k: Use tasklet_disable_in_atomic() (Sebastian Andrzej Siewior)
- net: sundance: Use tasklet_disable_in_atomic(). (Sebastian Andrzej Siewior)
- net: jme: Replace link-change tasklet with work (Sebastian Andrzej Siewior)
- tasklets: Prevent tasklet_unlock_spin_wait() deadlock on RT (Thomas Gleixner)
- tasklets: Replace spin wait in tasklet_kill() (Peter Zijlstra)
- tasklets: Replace spin wait in tasklet_unlock_wait() (Peter Zijlstra)
- tasklets: Use spin wait in tasklet_disable() temporarily (Thomas Gleixner)
- tasklets: Provide tasklet_disable_in_atomic() (Thomas Gleixner)
- tasklets: Use static inlines for stub implementations (Thomas Gleixner)
- tasklets: Replace barrier() with cpu_relax() in tasklet_unlock_wait() (Thomas Gleixner)
- smp: Wake ksoftirqd on PREEMPT_RT instead do_softirq(). (Sebastian Andrzej Siewior)
- tcp: Remove superfluous BH-disable around listening_hash (Sebastian Andrzej Siewior)
- net: Move lockdep where it belongs (Thomas Gleixner)
- shmem: Use raw_spinlock_t for ->stat_lock (Sebastian Andrzej Siewior)
- mm: workingset: replace IRQ-off check with a lockdep assert. (Sebastian Andrzej Siewior)
- cgroup: use irqsave in cgroup_rstat_flush_locked() (Sebastian Andrzej Siewior)
- kcov: Remove kcov include from sched.h and move it to its users. (Sebastian Andrzej Siewior)
- printk: add pr_flush() (John Ogness)
- printk: add console handover (John Ogness)
- printk: remove deferred printing (John Ogness)
- printk: move console printing to kthreads (John Ogness)
- printk: introduce kernel sync mode (John Ogness)
- printk: use seqcount_latch for console_seq (John Ogness)
- printk: combine boot_delay_msec() into printk_delay() (John Ogness)
- printk: relocate printk_delay() and vprintk_default() (John Ogness)
- serial: 8250: implement write_atomic (John Ogness)
- kdb: only use atomic consoles for output mirroring (John Ogness)
- console: add write_atomic interface (John Ogness)
- printk: convert @syslog_lock to spin_lock (John Ogness)
- printk: remove safe buffers (John Ogness)
- printk: track/limit recursion (John Ogness)
- printk: console: remove unnecessary safe buffer usage (John Ogness)
- printk: kmsg_dump: remove _nolock() variants (John Ogness)
- printk: remove logbuf_lock (John Ogness)
- printk: introduce a kmsg_dump iterator (John Ogness)
- printk: kmsg_dumper: remove @active field (John Ogness)
- printk: add syslog_lock (John Ogness)
- printk: use atomic64_t for devkmsg_user.seq (John Ogness)
- printk: use seqcount_latch for clear_seq (John Ogness)
- printk: introduce CONSOLE_LOG_MAX (John Ogness)
- printk: consolidate kmsg_dump_get_buffer/syslog_print_all code (John Ogness)
- printk: refactor kmsg_dump_get_buffer() (John Ogness)
- printk: kmsg_dump: remove unused fields (John Ogness)
- printk: limit second loop of syslog_print_all (John Ogness)
- mtd: mtdoops: synchronize kmsg_dumper (John Ogness)
- um: synchronize kmsg_dumper (John Ogness)
- powerpc/mm: Move the linear_mapping_mutex to the ifdef where it is used (Sebastian Andrzej Siewior)
- notifier: Make atomic_notifiers use raw_spinlock (Valentin Schneider)
- genirq: Move prio assignment into the newly created thread (Thomas Gleixner)
- kthread: Move prio/affinite change into the newly created thread (Sebastian Andrzej Siewior)
- timers: Move clearing of base::timer_running under base::lock (Thomas Gleixner)
- highmem: Don't disable preemption on RT in kmap_atomic() (Sebastian Andrzej Siewior)
Resolves: rhbz#1891873

Makefile.rhelver

@@ -44,4 +44,4 @@ ifneq ("$(ZSTREAM)", "yes")
   endif
 endif
 
-RTBUILD:=.6
+RTBUILD:=.7

kernel.spec

@@ -105,13 +105,13 @@ Summary: The Linux kernel
 %endif
 
 %define rpmversion 5.12.0
-%define pkgrelease 0.rc4.175.rt3.6
+%define pkgrelease 0.rc4.175.rt3.7
 
 # This is needed to do merge window version magic
 %define patchlevel 12
 
 # allow pkg_release to have configurable %%{?dist} tag
-%define specrelease 0.rc4.175.rt3.6%{?buildid}%{?dist}
+%define specrelease 0.rc4.175.rt3.7%{?buildid}%{?dist}
 
 %define pkg_release %{specrelease}
 
@@ -627,7 +627,7 @@ BuildRequires: asciidoc
 # exact git commit you can run
 #
 # xzcat -qq ${TARBALL} | git get-tar-commit-id
-Source0: linux-5.12.0-0.rc4.175.rt3.6.tar.xz
+Source0: linux-5.12.0-0.rc4.175.rt3.7.tar.xz
 
 Source1: Makefile.rhelver
 
@@ -811,6 +811,7 @@ The kernel meta package
 #
 %define kernel_reqprovconf \
 Provides: kernel = %{rpmversion}-%{pkg_release}\
+Provides: %{name} = %{rpmversion}-%{pkg_release}\
 Provides: %{name}-%{_target_cpu} = %{rpmversion}-%{pkg_release}%{?1:+%{1}}\
 Provides: kernel-drm-nouveau = 16\
 Provides: %{name}-uname-r = %{KVERREL}%{?variant}%{?1:+%{1}}\
@@ -1315,8 +1316,8 @@ ApplyOptionalPatch()
   fi
 }
 
-%setup -q -n kernel-5.12.0-0.rc4.175.rt3.6 -c
-mv linux-5.12.0-0.rc4.175.rt3.6 linux-%{KVERREL}
+%setup -q -n kernel-5.12.0-0.rc4.175.rt3.7 -c
+mv linux-5.12.0-0.rc4.175.rt3.7 linux-%{KVERREL}
 
 cd linux-%{KVERREL}
 cp -a %{SOURCE1} .
@@ -2887,7 +2888,7 @@ fi
 #
 #
 %changelog
-* Tue Mar 30 2021 Juri Lelli <juri.lelli@redhat.com> [5.12.0-0.rc4.175.rt3.6]
+* Wed Mar 31 2021 Juri Lelli <juri.lelli@redhat.com> [5.12.0-0.rc4.175.rt3.7]
 - kernel-5.12.0-0.rc4.175.el9 rebase
 - spec: Generate separate kernel-rt-kvm packages (Juri Lelli)
 - Add RT config options (Juri Lelli)

sources

@@ -1,3 +1,3 @@
-SHA512 (linux-5.12.0-0.rc4.175.rt3.6.tar.xz) = 419d515d05aca40bce3568c42b5fa90f6b4129b01bcb90cbd93e13e7b8884c32e9f93b94fe4542436e14dabcb1170dd7ff3cf651e4eb9b95670fceed156afb4a
-SHA512 (kernel-abi-whitelists-5.12.0-0.rc4.175.tar.bz2) = 6e594e014b132562864951e36cf943ab93c457e8155be14ced71ec90af956705f8383b9e304ffdb9a703557ff38ca425a6436193716b17db9d2d07dcb58dda96
-SHA512 (kernel-kabi-dw-5.12.0-0.rc4.175.tar.bz2) = af4ed1c8513a5fcffe5c6eae0d1f8e934eefd548efc93676b12f796e91f7b9edb89ec99318da05ae540c2ed79414e435ac4662cf33ae2009910ec45ce8444b17
+SHA512 (linux-5.12.0-0.rc4.175.rt3.7.tar.xz) = 00bb9b3aeb0cbda6946398d3d497e4d371ad6547861847dd6d1debf0805c057272621744e1079a9a840fa1c02364b3233374039f578b3d8c29193a6090ec5476
+SHA512 (kernel-abi-whitelists-5.12.0-0.rc4.175.tar.bz2) = 00a109eccefab5836c1532851f1db839ef7de037d721c77d48e9f5f88f053217332283c7595850860da1cb2c552024dc54a57e45c34bb466897303fe8b6fcc8a
+SHA512 (kernel-kabi-dw-5.12.0-0.rc4.175.tar.bz2) = 482a7da61d8f2f89614fafcc5ccd9752e222ce29b5c083fdede8263df96ae34eff92a6af26c94691de370e76ca342e71210505d8e6c91153856d004c94ac8d69