Merge branch 'features' into for-next

* features:
  s390/entry: Save lowcore on invalid kernel stack
  s390/entry: Last breaking event vs invalid kernel stack
  s390/percpu: Implement this_cpu_try_cmpxchg()
  s390/percpu: Drop unused output register from arch_this_cpu_to_op()
  s390/percpu: Drop unused output register from arch_this_cpu_add()
  s390/percpu: Use asm_inline for arch_this_cpu_add()
  s390/extable: Remove EX_TABLE macros and fallback extable search
  s390/bpf: Simplify exception table entry handling
  s390/sclp: Convert inline assembly to EX_TABLE_INSN
  s390/diag_ftp: Convert inline assembly to EX_TABLE_INSN
  s390/dasd: Convert inline assembly to EX_TABLE_INSN
  s390/cio: Convert inline assembly to EX_TABLE_INSN
  s390/boot: Convert inline assembly to EX_TABLE_INSN
  s390/pci: Convert inline assembly to EX_TABLE_INSN
  s390/kvm: Convert inline assembly to EX_TABLE_INSN
  s390/word-at-a-time: Convert inline assembly to EX_TABLE_INSN
  s390/traps: Convert inline assembly to EX_TABLE_INSN
  s390/fpu: Convert inline assembly to EX_TABLE_INSN
  s390/ap: Convert inline assembly to EX_TABLE_INSN
  s390/hypfs: Convert inline assembly to EX_TABLE_INSN
  s390/ipl: Convert inline assembly to EX_TABLE_INSN
  s390/cert_store: Convert inline assembly to EX_TABLE_INSN
  s390/cpu_mf: Convert inline assembly to EX_TABLE_INSN
  s390/mm/pfault: Convert inline assembly to EX_TABLE_INSN
  s390/diag: Convert inline assembly to EX_TABLE_INSN
  s390/futex: Convert inline assembly to EX_TABLE_INSN
  s390/lib/uaccess: Convert inline assembly to EX_TABLE_INSN
  s390/uaccess: Convert inline assembly to EX_TABLE_INSN
  s390/diag: Convert amode31 exception tables to EX_TABLE_INSN
  s390/extable: Rework exception handling logic
  s390/dis: Improve show_code() output
  s390/traps: Handle nullifying program checks in get_trap_ip()
  s390/tools: Generate bitmap of nullified program checks
  s390/tools: Rename gen_facilities to gen_bitmaps
  s390/bug: Indicate modified PSW in disassembly
  s390: Clear pt_regs flags field
  s390/early: Fix early warning handling
  s390/kprobes: Prevent kprobes on instructions with exception table entry
  s390/pci: Unregister the adapter interrupt first in zpci_irq_exit()
  s390/pci: Drop the unused index argument of zpci_msi_clear_airq()
  s390/pci: Set MSI_FLAG_NO_AFFINITY at IRQ init time
  s390/pci: Add error cleanup in zpci_directed_irq_init()
  s390/pci: Fix use-after-free race in zpci floating interrupt cleanup
  s390/pci: Fix MSI directed-mode teardown IRQ bit count
  s390/pci: Fix resource leak in zpci MSI setup
  s390/pci: Fix double-free and NULL deref in zpci MSI domain cleanup
  s390/uprobes: Fix off-by-one bug in emulated PER handling
  s390/extable: Fix mvcos instruction decoding
  s390/ptrace: Preserve ILC when updating system call number
  s390/zcrypt: Fix out-of-bounds ptr advance in cca_query_crypto_facility()
  s390/zcrypt: Guard domain index uses against speculative bypass
  s390/vtime: Remove vtimer infrastructure
  s390/appldata: Emulate virtual timer with delayed work
  s390/cpum_cf: Honor hwctr session cpu mask during hotplug
  s390/cpum_cf: Check session mask before cpu offline
  s390/dis: Mark non-NUL-terminated character arrays with __nonstring
  s390/fs3270: Return -ENOTTY for unknown ioctls in fs3270_ioctl()
  s390/zcrypt: Fix and improve zcrypt reply message verification checks
  s390/vmcp: Initialize full session info to zero
  s390/configs: Enable NVMe-oF RDMA and TCP in defconfig
  s390/percpu: Rework to simplify percpu_entry() and percpu_exit()
  s390/percpu: Use percpu code section for this_cpu_cmpxchg()
  s390/percpu: Use percpu code section for this_cpu_xchg()
  s390/percpu: Use percpu code section for this_cpu_cmpxchg128()
  s390/percpu: Use __PCPU_BEGIN() and __PCPU_END() for inline assemblies
  s390/percpu: Rename inline assembly symbolic names
  s390/percpu/lowcore: Add and use LC_PERCPU lowcore offset defines
  s390/percpu: Let MVIY_PERCPU() calculate alternative displacement
  s390/lowcore: Remove _AC() from LOWCORE_ALT_ADDRESS
  s390/percpu: Add sanity check to GEN_MVIY macro
  s390/percpu: Fix comment typo
  s390/sclp: Implement resize for sclp-vt220 console
  s390/sclp: Introduce dedicated sclp-vt220 event buffer type
  s390/scm: Use kmalloc() for SCM information
  s390/qdio_setup: Use kmalloc() for the SSQD request
  s390/qdio_setup: Use kmalloc() for the storage list
  s390/qdio_setup: Use kzalloc() for QDIO buffers
  s390/qdio_main: Use kzalloc() for the QDR
  s390/qdio_main: Use kzalloc() for the IRQ structure
  s390/idals: Use kmalloc() for IDAL data buffers
  s390/cmf: Use kmalloc() for the CMB area
  s390/cio: Use kzalloc() for CHSC work areas
  s390/chsc_sch: Use __free(kfree) for synchronous CHSC requests
  s390/chsc_sch: Use kzalloc() for CHSC requests
  s390/chsc: Use kzalloc() for the SEI work area
  s390/chsc: Use kzalloc() for CUBs
  s390/keyboard: Allocate key_maps and func_table with ARRAY_SIZE()
  s390/hiperdispatch: Use system_dfl_wq to reschedule hd_capacity_work
  s390/rwlock: Add contention tracepoints to rwlock slowpath
  s390: Warn if kernel command line contains non-printable EBCDIC characters
  s390/ebcdic: Add character classes for the ASCII subset of EBCDIC

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

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