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Message-ID: <your-ad-here.call-01699033818-ext-2437@work.hours>
Date:   Fri, 3 Nov 2023 18:50:18 +0100
From:   Vasily Gorbik <gor@...ux.ibm.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Heiko Carstens <hca@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Subject: [GIT PULL] s390 patches for the 6.7 merge window

Hello Linus,

please pull s390 changes for 6.7.

Thank you,
Vasily

The following changes since commit ce9ecca0238b140b88f43859b211c9fdfd8e5b70:

  Linux 6.6-rc2 (2023-09-17 14:40:24 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-6.7-1

for you to fetch changes up to 991a211aa99f468cd291a97b8dcb448ebc77f6c4:

  s390/cio: replace deprecated strncpy with strscpy (2023-10-25 15:08:30 +0200)

----------------------------------------------------------------
s390 updates for the 6.7 merge window

- Get rid of private VM_FAULT flags

- Add word-at-a-time implementation

- Add DCACHE_WORD_ACCESS support

- Cleanup control register handling

- Disallow CPU hotplug of CPU 0 to simplify its handling complexity,
  following a similar restriction in x86

- Optimize pai crypto map allocation

- Update the list of crypto express EP11 coprocessor operation modes

- Fixes and improvements for secure guests AP pass-through

- Several fixes to address incorrect page marking for address translation
  with the "cmma no-dat" feature, preventing potential incorrect guest
  TLB flushes

- Fix early IPI handling

- Several virtual vs physical address confusion fixes

- Various small fixes and improvements all over the code

----------------------------------------------------------------
Alexander Gordeev (2):
      s390/crash: remove unused parameter
      s390/crash: fix virtual vs physical address confusion

Harald Freudenberger (3):
      s390/ap: re-init AP queues on config on
      s390/zcrypt: introduce new internal AP queue se_bound attribute
      s390/ap: show APFS value on error reply 0x8B

Heiko Carstens (55):
      s390/smp,mcck: fix early IPI handling
      s390/setup: use strlcat() instead of strcat()
      s390/ctlreg: move control register code to separate file
      s390/ctlreg: rename ctl_reg.h to ctlreg.h
      s390/ctlreg: cleanup inline assemblies
      s390/ctlreg: add local and system prefix to some functions
      s390/ctlreg: add local_ctl_load() and local_ctl_store()
      s390/ctlreg: use local_ctl_load() and local_ctl_store() where possible
      s390/ctlreg: change parameters of __local_ctl_load() and __local_ctl_store()
      s390/kprobes,ptrace: open code struct per_reg
      s390/ctlreg: add type checking to __local_ctl_load() and __local_ctl_store()
      s390/ctlreg: add struct ctlreg
      s390/ctltreg: make initialization of control register save area explicit
      s390/ctlreg: allow to call system_ctl_set/clear_bit() early
      s390/early: use system_ctl_set_bit() instead of local_ctl_set_bit()
      s390/ctlreg: add system_ctl_load()
      s390/setup: make use of system_ctl_load()
      s390/ctlreg: add missing defines
      s390/irq: use CR0 defines to define CR0_IRQ_SUBCLASS_MASK
      s390/ctlreg: add control register bits
      s390: use control register bit defines
      s390/extable: reduce number of extable macros
      s390: provide word-at-a-time implementation
      s390: add support for DCACHE_WORD_ACCESS
      s390/mm: remove __GFP_HIGHMEM masking
      s390/mm: make vmemmap_free() only for CONFIG_MEMORY_HOTPLUG available
      s390/mm,fault: remove and improve comments, adjust whitespace
      s390/mm,fault: reverse x-mas tree coding style
      s390/mm,fault: use __ratelimit() instead of printk_ratelimit()
      s390/mm,fault: use pr_warn_ratelimited()
      s390/mm,fault: use pr_warn(), pr_cont(), ... instead of open-coding
      s390/mm,fault: have balanced braces, remove unnecessary blanks
      s390/mm,fault: include linux/mmu_context.h
      s390/mm,fault: remove line break
      s390/mm,fault: remove noinline attribute from all functions
      s390/mm,fault: replace WARN_ON_ONCE() with unreachable()
      s390/mm,fault: use get_fault_address() everywhere
      s390/mm,fault: use static key for store indication
      s390/mm: move translation-exception identification structure to fault.h
      s390/mm,fault: improve readability by using teid union
      s390/mm,fault: use get_kernel_nofault() to dereference in dump_pagetable()
      s390/mm,fault: remove VM_FAULT_PFAULT
      s390/mm,fault: get rid of do_low_address()
      s390/mm,fault: call do_fault_error() only from do_exception()
      s390/mm,fault: simplify kfence fault handling
      s390/mm,fault: remove VM_FAULT_BADCONTEXT
      s390/mm,fault: remove VM_FAULT_SIGNAL
      s390/mm,fault: remove VM_FAULT_BADMAP and VM_FAULT_BADACCESS
      s390/mm,fault: move VM_FAULT_ERROR handling to do_exception()
      s390/diag: add missing virt_to_phys() translation to diag224()
      s390/cmma: fix initial kernel address space page table walk
      s390/mm: add missing arch_set_page_dat() call to vmem_crst_alloc()
      s390/mm: add missing arch_set_page_dat() call to gmap allocations
      s390/cmma: fix detection of DAT pages
      s390/cmma: fix handling of swapper_pg_dir and invalid_pg_dir

Ilya Leoshkevich (2):
      s390/smp: keep the original lowcore for CPU 0
      s390: delete the unused store_prefix() function

Ingo Franzki (1):
      s390/zcrypt: update list of EP11 operation modes

Justin Stitt (2):
      s390/sclp: replace deprecated strncpy with strtomem
      s390/cio: replace deprecated strncpy with strscpy

Peter Oberparleiter (2):
      s390/cio: export CMG value as decimal
      s390/cio: fix virtual vs physical address confusion

Sumanth Korikkar (1):
      s390/sclp: handle default case in sclp memory notifier

Thomas Richter (4):
      s390/pai_crypto: dynamically allocate percpu pai crypto map data structure
      s390/pai_crypto: use PERF_ATTACH_TASK define for per task detection
      s390/pai: initialize event count once at initialization
      s390/pai_crypto: remove per-cpu variable assignement in event initialization

Tobias Huschle (1):
      s390/smp: disallow CPU hotplug of CPU 0

Vasily Gorbik (1):
      s390/vmem: remove unused variable

 arch/s390/Kconfig                      |   1 +
 arch/s390/boot/startup.c               |   2 +-
 arch/s390/boot/vmem.c                  |  17 +-
 arch/s390/include/asm/asm-extable.h    |  27 +-
 arch/s390/include/asm/ctl_reg.h        | 146 -----------
 arch/s390/include/asm/ctlreg.h         | 251 ++++++++++++++++++
 arch/s390/include/asm/fault.h          |  28 ++
 arch/s390/include/asm/fpu/internal.h   |   1 -
 arch/s390/include/asm/irq.h            |  23 +-
 arch/s390/include/asm/kprobes.h        |   3 +-
 arch/s390/include/asm/lowcore.h        |  15 +-
 arch/s390/include/asm/mmu_context.h    |  10 +-
 arch/s390/include/asm/pgtable.h        |   3 +-
 arch/s390/include/asm/smp.h            |   1 -
 arch/s390/include/asm/uaccess.h        |   1 -
 arch/s390/include/asm/word-at-a-time.h |  64 +++++
 arch/s390/kernel/Makefile              |   2 +-
 arch/s390/kernel/crash_dump.c          |   6 +-
 arch/s390/kernel/ctlreg.c              | 121 +++++++++
 arch/s390/kernel/diag.c                |   3 +-
 arch/s390/kernel/early.c               |  22 +-
 arch/s390/kernel/guarded_storage.c     |   6 +-
 arch/s390/kernel/ipl.c                 |   2 +-
 arch/s390/kernel/irq.c                 |   4 +-
 arch/s390/kernel/kprobes.c             |  21 +-
 arch/s390/kernel/machine_kexec.c       |   6 +-
 arch/s390/kernel/nmi.c                 |  24 +-
 arch/s390/kernel/perf_cpum_cf.c        |   2 +-
 arch/s390/kernel/perf_pai_crypto.c     | 138 +++++++---
 arch/s390/kernel/perf_pai_ext.c        |  10 +-
 arch/s390/kernel/ptrace.c              |  45 ++--
 arch/s390/kernel/setup.c               |  23 +-
 arch/s390/kernel/smp.c                 | 132 +---------
 arch/s390/kernel/time.c                |   4 +-
 arch/s390/kvm/gaccess.c                |  45 +---
 arch/s390/kvm/kvm-s390.c               |   6 +-
 arch/s390/kvm/priv.c                   |   2 +-
 arch/s390/lib/uaccess.c                |  15 +-
 arch/s390/mm/dump_pagetables.c         |   2 +-
 arch/s390/mm/extable.c                 |  18 ++
 arch/s390/mm/fault.c                   | 460 +++++++++++++--------------------
 arch/s390/mm/gmap.c                    |  24 +-
 arch/s390/mm/init.c                    |   4 +-
 arch/s390/mm/maccess.c                 |   2 +-
 arch/s390/mm/page-states.c             |  25 +-
 arch/s390/mm/pageattr.c                |   2 +-
 arch/s390/mm/pgalloc.c                 |   8 +-
 arch/s390/mm/vmem.c                    |  15 +-
 arch/s390/pci/pci.c                    |   2 +-
 drivers/s390/char/diag_ftp.c           |   2 +-
 drivers/s390/char/sclp.c               |  14 +-
 drivers/s390/char/sclp_cmd.c           |   3 +-
 drivers/s390/char/sclp_early.c         |   2 +-
 drivers/s390/char/sclp_early_core.c    |   7 +-
 drivers/s390/cio/chp.c                 |   2 +-
 drivers/s390/cio/chsc.c                |   8 +-
 drivers/s390/cio/crw.c                 |   4 +-
 drivers/s390/cio/isc.c                 |   4 +-
 drivers/s390/crypto/ap_bus.c           |  21 +-
 drivers/s390/crypto/ap_bus.h           |   3 +
 drivers/s390/crypto/ap_queue.c         |  58 ++++-
 drivers/s390/crypto/zcrypt_api.c       |  10 +-
 drivers/s390/crypto/zcrypt_cex4.c      |   4 +
 drivers/s390/crypto/zcrypt_error.h     |  18 +-
 net/iucv/iucv.c                        |   4 +-
 65 files changed, 1111 insertions(+), 847 deletions(-)
 delete mode 100644 arch/s390/include/asm/ctl_reg.h
 create mode 100644 arch/s390/include/asm/ctlreg.h
 create mode 100644 arch/s390/include/asm/fault.h
 create mode 100644 arch/s390/include/asm/word-at-a-time.h
 create mode 100644 arch/s390/kernel/ctlreg.c

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