Merge tag 's390-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Vasily Gorbik:

- Add a cpuidle driver with polling and enabled wait states using the
ex

Merge tag 's390-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Vasily Gorbik:

- Add a cpuidle driver with polling and enabled wait states using the
existing CPU idle infrastructure and idle governor to improve latency
for frequent sleep/wakeup cycles. Remove the obsolete tick delay
heuristic and generic arch_needs_cpu() hook. Add the corresponding
driver entry to MAINTAINERS

- Add kCFI support using the generic support provided by Clang

- Enable Clang CONTEXT_ANALYSIS for various architecture code and for
char, PCI, CIO and virtio drivers. Add required lock annotations,
exclude unsupported mm helpers and remove conditional PCI locking

- Fix secure storage access exception handling and reintroduce
DCACHE_WORD_ACCESS previously removed as a workaround

- Fix cpum_cf perf crashes when CPUs are brought online while per-task
events are active. Allocate and remove per-CPU counter data from CPU
hotplug callbacks

- Fix a deadlock when an s390dbf debug area is unregistered while one
of its debugfs files is being written to

- Fix MVIY_PERCPU() with binutils older than 2.39, where an assembler
macro silently omitted an instruction needed to repair interrupted
operations after CPU migration

- Remove/replace cond_resched() calls which are no-ops with the
supported s390 preemption models

- Fix AP queue depth and maximum message length decoding according to
the architecture. Current hardware is not affected, but future
hardware could report values which were handled incorrectly

- Reflect the configured CPU state in cpu_enabled_mask so deconfigured
CPUs are not presented as available for onlining

- Restore the vDSO GNU_EH_FRAME program header which was lost when the
build switched to direct linker invocation, and mark it read-only

- Add SCLP action qualifiers used by Spyre for card initialization,
recoverable error and telemetry reporting

- Move KMSAN interrupt flag helpers out of line to fix
-Wstatic-in-inline build warnings

- Use level-specific page table entry accessors for hugetlb entries and
ptep_get() when accessing crashed kernel memory in kdump

- Make forced AP bus rescans killable so that a user process blocked
behind an ongoing scan can still be terminated with SIGKILL

- Rework pkey ioctl error paths to remove duplicated cleanup code and
avoid freeing error pointers

- Allow the protected guest SWIOTLB buffer to be allocated outside the
first 2GB. Also enable dynamic SWIOTLB growth and the coherent atomic
pool fallback to improve I/O behavior when the initial pool is
exhausted

- Add program check statistics and spinlock contention tracepoints.
Increase the lockdep chain capacity to keep lockdep enabled for
complex code paths such as btrfs

- Simplify IPL, trap and syscall code and remove the obsolete
unistd_32.h generation entry

* tag 's390-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (59 commits)
s390/percpu: Fix MVIY_PERCPU() with older binutils
s390/debug: Fix deadlock during unregister
s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks
s390: Enable CONTEXT_ANALYSIS for various directories
s390/mm: Add __context_unsafe() attribute to gmap helper functions
s390/mm: Add __context_unsafe() attribute to do_secure_storage_access()
s390/sysinfo: Add context analysis attributes
s390/irqflags: Add out-of-line definitions of arch_local_irq_*() for KMSAN
s390/virtio: Enable CONTEXT_ANALYSIS
s390/cio: Enable CONTEXT_ANALYSIS
s390/vfio_ccw: Add __must_hold() attribute to vfio_ccw_sch_quiesce()
s390/pci: Enable CONTEXT_ANALYSIS
s390/pci: Rework __zpci_event_availability() to remove conditional locking
s390/pci: Rework __zpci_event_error() to remove conditional locking
s390/char: Enable CONTEXT_ANALYSIS
s390/con3215: Add __must_hold() attribute to raw3215_make_room()
s390/ap: Fix MAPML computation
s390/cio: Remove cond_resched() calls
s390: Remove cond_resched() calls
KVM: s390: Remove cond_resched() calls
...

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s390/bpf: Add kCFI support

This is the s390 variant of commit 710618c760c0 ("arm64/cfi,bpf: Support
kCFI + BPF on arm64").

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Ilya Leoshk

s390/bpf: Add kCFI support

This is the s390 variant of commit 710618c760c0 ("arm64/cfi,bpf: Support
kCFI + BPF on arm64").

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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