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Subject[GIT PULL] s390 updates for 5.13 merge window
Hi Linus,

please pull s390 update for 5.13 merge window.

Note that I once merged our fixes branch. Therefore this pull request
contains commits which are already in 5.12. The resulting diffstat
when merging this will look like

58 files changed, 1458 insertions(+), 964 deletions(-)

unlike the one generated by 'git request-pull' below.

Thanks,
Heiko

The following changes since commit 0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b:

Linux 5.12-rc4 (2021-03-21 14:56:43 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-5.13-1

for you to fetch changes up to 6f3353c2d2b3eb4de52e9704cb962712033db181:

s390/disassembler: increase ebpf disasm buffer size (2021-04-21 12:32:12 +0200)

----------------------------------------------------------------
s390 updates for 5.13 merge window

- fix buffer size for in-kernel disassembler for ebpf programs.

- fix two memory leaks in zcrypt driver.

- expose PCI device UID as index, including an indicator if the uid is
unique.

- remove some oprofile leftovers.

- improve stack unwinder tests.

- don't use gcc atomic builtins anymore, just like all other
architectures. Even though I'm sure the current code is ok, I
totally dislike that s390 is the only architecture being special
here; especially considering that there was a lengthly discussion
about this topic and the outcome was not to use the builtins.
Therefore open-code atomic ops again with inline assembly and switch
to gcc builtins as soon as other architectures are doing.

- couple of other changes to atomic and cmpxchg, and use
atomic-instrumented.h for KASAN.

- separate zbus creation, registration, and scanning in our PCI code
which allows for cleaner and easier handling.

- a rather large change to the vfio-ap code to fix circular locking
dependencies when updating crypto masks.

- move QAOB handling from qdio layer down to drivers.

- add CRW inject facility to common I/O layer. This adds debugs files
which allow to generate artificial events from user space for
testing purposes.

- increase SCLP console line length from 80 to 320 characters to avoid
odd wrapped lines.

- add protected virtualization guest and host indication files, which
indicate either that a guest is running in pv mode or if the
hypervisor is capable of starting pv guests.

- various other small fixes and improvements all over the place.

----------------------------------------------------------------
Alexander Gordeev (3):
s390/cpcmd: fix inline assembly register clobbering
s390/mm: fix phys vs virt confusion in mark_kernel_pXd() functions family
s390/smp: fix do_restart() prototype

Bhaskar Chowdhury (2):
s390/kernel: fix a typo
s390/crc32-vx: couple of typo fixes

Harald Freudenberger (2):
s390/zcrypt: fix zcard and zqueue hot-unplug memleak
s390/archrandom: add parameter check for s390_arch_random_generate

Heiko Carstens (20):
s390/vdso: copy tod_steering_delta value to vdso_data page
s390/vdso: fix tod_steering_delta type
s390/vdso: fix initializing and updating of vdso_data
s390/spinlock: remove align attribute from arch_spinlock_t
s390/irq: fix reading of ext_params2 field from lowcore
s390/setup: use memblock_free_late() to free old stack
Merge branch 'fixes' into features
s390/traps: convert pgm_check.S to C
s390/traps,mm: add conditional trap handlers
s390/bitops: make bitops only work on longs
s390/atomic: move remaining inline assemblies to atomic_ops.h
s390/atomic: use proper constraints
s390/atomic: get rid of gcc atomic builtins
s390/cmpxchg: get rid of gcc atomic builtins
s390/atomic,cmpxchg: switch to use atomic-instrumented.h
s390/spinlock: use R constraint in inline assembly
s390: update defconfigs
s390/cmpxchg: use unsigned long values instead of void pointers
s390/atomic,cmpxchg: make constraints work with old compilers
s390/atomic,cmpxchg: always inline __xchg/__cmpxchg

Janosch Frank (2):
s390/uv: add prot virt guest/host indication files
s390/uv: fix prot virt host indication compilation

Julian Wiedmann (1):
s390/qdio: let driver manage the QAOB

Marc Zyngier (1):
s390: get rid of oprofile leftovers

Matthew Rosato (1):
MAINTAINERS: add backups for s390 vfio drivers

Niklas Schnelle (14):
s390/pci: refactor zpci function states
s390/pci: deconfigure device on release
s390/pci: add zpci_event_hard_deconfigured()
s390/pci: unify de-/configure for slots and events
s390/pci: move zpci_remove_device() to bus code
s390/pci: fix DMA cleanup on hard deconfigure
s390/pci: expose UID uniqueness guarantee
s390/pci: introduce zpci_bus_scan_device()
s390/pci: do more bus setup in zpci_bus_scan()
s390/pci: separate zbus creation from scanning
s390/pci: use mutex not spinlock for zbus list
s390/pci: separate zbus registration from scanning
s390/pci: narrow scope of zpci_configure_device()
s390/pci: expose a PCI device's UID as its index

Peter Oberparleiter (1):
s390/sclp: increase sclp console line length

Shixin Liu (2):
s390/cio: use DEFINE_SPINLOCK() for spinlock
s390/cio: use DECLARE_WAIT_QUEUE_HEAD() for wait_queue

Tony Krowiak (1):
s390/vfio-ap: fix circular lockdep when setting/clearing crypto masks

Vasily Gorbik (7):
s390/unwind: add machine check handler stack
s390/entry: avoid setting up backchain in ext|io handlers
s390/entry: save the caller of psw_idle
s390/test_unwind: unify error handling paths
s390/test_unwind: add WARN if tests failed
s390/test_unwind: print test suite start/end info
s390/disassembler: increase ebpf disasm buffer size

Vineeth Vijayan (5):
s390/cio: introduce CIO debugfs directory
s390/cio: add CRW inject functionality
s390: use DEFINE_SPINLOCK for initialization
s390/sclp: use LIST_HEAD for Initialization
s390/cio: use DECLARE_WAIT_QUEUE_HEAD for static work_queue_head_t

Wan Jiabing (1):
s390/cio: remove duplicate struct ccw1 declaration

zhongbaisong (1):
s390/protvirt: fix error return code in uv_info_init()

Documentation/ABI/testing/sysfs-bus-pci | 11 +-
Documentation/s390/pci.rst | 14 +-
MAINTAINERS | 4 +-
arch/s390/Kconfig.debug | 8 +
arch/s390/configs/debug_defconfig | 2 +-
arch/s390/configs/defconfig | 1 -
arch/s390/crypto/arch_random.c | 4 +
arch/s390/crypto/crc32be-vx.S | 4 +-
arch/s390/include/asm/atomic.h | 98 ++++++----
arch/s390/include/asm/atomic_ops.h | 76 +++++++-
arch/s390/include/asm/bitops.h | 93 ++++-----
arch/s390/include/asm/ccwdev.h | 3 -
arch/s390/include/asm/cmpxchg.h | 168 ++++++++++++++--
arch/s390/include/asm/entry-common.h | 4 -
arch/s390/include/asm/pci.h | 10 +-
arch/s390/include/asm/qdio.h | 22 +--
arch/s390/include/asm/spinlock.h | 2 +-
arch/s390/include/asm/spinlock_types.h | 2 +-
arch/s390/include/asm/stacktrace.h | 1 +
arch/s390/include/asm/vdso/data.h | 2 +-
arch/s390/kernel/Makefile | 2 +-
arch/s390/kernel/cpcmd.c | 6 +-
arch/s390/kernel/dis.c | 2 +-
arch/s390/kernel/dumpstack.c | 12 +-
arch/s390/kernel/entry.S | 7 +-
arch/s390/kernel/entry.h | 25 +--
arch/s390/kernel/ipl.c | 4 +-
arch/s390/kernel/irq.c | 2 +-
arch/s390/kernel/os_info.c | 2 +-
arch/s390/kernel/perf_event.c | 21 --
arch/s390/kernel/pgm_check.S | 147 --------------
arch/s390/kernel/setup.c | 2 +-
arch/s390/kernel/time.c | 10 +-
arch/s390/kernel/traps.c | 76 +++++++-
arch/s390/kernel/uv.c | 47 ++++-
arch/s390/lib/test_unwind.c | 19 +-
arch/s390/mm/fault.c | 18 +-
arch/s390/mm/page-states.c | 8 +-
arch/s390/pci/pci.c | 132 ++++++++-----
arch/s390/pci/pci_bus.c | 331 +++++++++++++++++++++++---------
arch/s390/pci/pci_bus.h | 6 +
arch/s390/pci/pci_event.c | 96 ++++-----
arch/s390/pci/pci_sysfs.c | 44 +++++
drivers/pci/hotplug/s390_pci_hpc.c | 59 +-----
drivers/s390/char/con3215.c | 3 +-
drivers/s390/char/sclp.c | 6 +-
drivers/s390/char/sclp_con.c | 28 +--
drivers/s390/char/sclp_tty.c | 18 +-
drivers/s390/char/sclp_vt220.c | 9 +-
drivers/s390/cio/Makefile | 4 +-
drivers/s390/cio/chp.c | 3 +-
drivers/s390/cio/cio_debug.h | 3 +
drivers/s390/cio/cio_debugfs.c | 23 +++
drivers/s390/cio/cio_inject.c | 171 +++++++++++++++++
drivers/s390/cio/cio_inject.h | 18 ++
drivers/s390/cio/css.c | 6 +-
drivers/s390/cio/ioasm.c | 23 ++-
drivers/s390/cio/qdio.h | 10 -
drivers/s390/cio/qdio_main.c | 63 +-----
drivers/s390/cio/qdio_setup.c | 49 +----
drivers/s390/crypto/vfio_ap_ops.c | 308 ++++++++++++++++++++---------
drivers/s390/crypto/vfio_ap_private.h | 2 +
drivers/s390/crypto/zcrypt_card.c | 1 +
drivers/s390/crypto/zcrypt_queue.c | 1 +
drivers/s390/net/qeth_core.h | 3 +-
drivers/s390/net/qeth_core_main.c | 102 +++++-----
drivers/s390/scsi/zfcp_qdio.c | 7 +-
67 files changed, 1491 insertions(+), 977 deletions(-)
delete mode 100644 arch/s390/kernel/pgm_check.S
create mode 100644 drivers/s390/cio/cio_debugfs.c
create mode 100644 drivers/s390/cio/cio_inject.c
create mode 100644 drivers/s390/cio/cio_inject.h

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