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Subject[GIT PULL] s390 patches for the 5.5 merge window
Hello Linus,

please pull s390 fixes and features for 5.5.

Thank you,
Vasily

The following changes since commit da0c9ea146cbe92b832f1b0f694840ea8eb33cce:

Linux 5.4-rc2 (2019-10-06 14:27:30 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-5.5-1

for you to fetch changes up to 6a82e23f45fe0aa821e7a935e39d0acb20c275c0:

s390/cpumf: Adjust registration of s390 PMU device drivers (2019-11-20 17:16:01 +0100)

----------------------------------------------------------------
s390 updates for the 5.5 merge window

- Adjust PMU device drivers registration to avoid WARN_ON and few other
perf improvements.

- Enhance tracing in vfio-ccw.

- Few stack unwinder fixes and improvements, convert get_wchan custom
stack unwinding to generic api usage.

- Fixes for mm helpers issues uncovered with tests validating architecture
page table helpers.

- Fix noexec bit handling when hardware doesn't support it.

- Fix memleak and unsigned value compared with zero bugs in crypto
code. Minor code simplification.

- Fix crash during kdump with kasan enabled kernel.

- Switch bug and alternatives from asm to asm_inline to improve inlining
decisions.

- Use 'depends on cc-option' for MARCH and TUNE options in Kconfig,
add z13s and z14 ZR1 to TUNE descriptions.

- Minor head64.S simplification.

- Fix physical to logical CPU map for SMT.

- Several cleanups in qdio code.

- Other minor cleanups and fixes all over the code.

----------------------------------------------------------------
Eric Farman (4):
vfio-ccw: Refactor how the traces are built
vfio-ccw: Trace the FSM jumptable
vfio-ccw: Add a trace for asynchronous requests
vfio-ccw: Rework the io_fctl trace

Gerald Schaefer (4):
s390/mm: make pmd/pud_bad() report large entries as bad
s390/mm: simplify page table helpers for large entries
s390/mm: properly clear _PAGE_NOEXEC bit when it is not supported
s390/mm: add mm_pxd_folded() checks to pxd_free()

Heiko Carstens (9):
s390/Kconfig: make use of 'depends on cc-option'
s390/Kconfig: add z13s and z14 ZR1 to TUNE descriptions
s390/bug: make use of asm_inline
s390/alternatives: make use of asm_inline
s390/time: remove monotonic_clock()
s390/time: ensure get_clock_monotonic() returns monotonic values
s390: always inline current_stack_pointer()
s390/pkey: fix memory leak within _copy_apqns_from_user()
s390/smp: fix physical to logical CPU map for SMT

Ilya Leoshkevich (3):
s390/unwind: fix get_stack_pointer(NULL, NULL)
s390: add error handling to perf_callchain_kernel
s390/disassembler: don't hide instruction addresses

Julian Wiedmann (7):
s390/qdio: use QDIO_BUFNR()
s390/qdio: reduce log level for EQBS partial
s390/qdio: remove a forward declaration
s390/qdio: add statistics helper macro
s390/qdio: simplify thinint device registration
s390/qdio: don't attempt IRQ avoidance on Output SBALs
s390/qdio: move SSQD Sniffer mask definition

Markus Elfring (1):
s390/pkey: use memdup_user() to simplify code

Miroslav Benes (1):
s390/unwind: drop unnecessary code around calling ftrace_graph_ret_addr()

Nick Desaulniers (1):
s390/boot: fix section name escaping

Thomas Richter (4):
s390/cpum_sf: Use consistant debug print format for sampling
s390/cpum_sf: Replace function name in debug statements
s390/cpum_sf: Assign error value to err variable
s390/cpumf: Adjust registration of s390 PMU device drivers

Vasily Gorbik (7):
s390: avoid double handling of "noexec" option
s390/process: avoid custom stack unwinding in get_wchan
Merge tag 'vfio-ccw-20191111' of https://git.kernel.org/.../kvms390/vfio-ccw into features
s390/kasan: support memcpy_real with TRACE_IRQFLAGS
s390/early: move control registers setup in C code
s390/head64: remove unnecessary vdso_per_cpu_data setup
s390/early: move access registers setup in C code

YueHaibing (1):
s390/crypto: Fix unsigned variable compared with zero

arch/s390/Kconfig | 28 +++++++---
arch/s390/boot/startup.c | 2 +-
arch/s390/crypto/sha_common.c | 7 ++-
arch/s390/include/asm/alternative.h | 4 +-
arch/s390/include/asm/bug.h | 4 +-
arch/s390/include/asm/ctl_reg.h | 1 +
arch/s390/include/asm/pgalloc.h | 16 +++++-
arch/s390/include/asm/pgtable.h | 97 +++++++++++---------------------
arch/s390/include/asm/processor.h | 2 +-
arch/s390/include/asm/qdio.h | 1 +
arch/s390/include/asm/spinlock.h | 2 +-
arch/s390/include/asm/stacktrace.h | 2 +-
arch/s390/include/asm/timex.h | 17 +++---
arch/s390/kernel/dis.c | 13 +++--
arch/s390/kernel/early.c | 38 +++++++------
arch/s390/kernel/head64.S | 18 +-----
arch/s390/kernel/perf_cpum_cf.c | 21 ++++---
arch/s390/kernel/perf_cpum_cf_diag.c | 10 ++--
arch/s390/kernel/perf_cpum_sf.c | 104 +++++++++++++++++------------------
arch/s390/kernel/perf_event.c | 8 ++-
arch/s390/kernel/process.c | 36 ++++++------
arch/s390/kernel/smp.c | 80 ++++++++++++++++++---------
arch/s390/kernel/time.c | 9 ---
arch/s390/kernel/unwind_bc.c | 14 +----
arch/s390/lib/spinlock.c | 4 +-
arch/s390/mm/maccess.c | 12 ++--
drivers/s390/cio/Makefile | 4 +-
drivers/s390/cio/qdio.h | 26 ++++-----
drivers/s390/cio/qdio_main.c | 26 ++++-----
drivers/s390/cio/qdio_setup.c | 2 -
drivers/s390/cio/qdio_thinint.c | 41 +++++---------
drivers/s390/cio/vfio_ccw_cp.h | 1 +
drivers/s390/cio/vfio_ccw_fsm.c | 11 ++--
drivers/s390/cio/vfio_ccw_private.h | 1 +
drivers/s390/cio/vfio_ccw_trace.c | 14 +++++
drivers/s390/cio/vfio_ccw_trace.h | 76 ++++++++++++++++++++++---
drivers/s390/crypto/pkey_api.c | 26 ++-------
drivers/s390/net/qeth_l3.h | 2 -
drivers/s390/net/qeth_l3_sys.c | 2 +-
39 files changed, 410 insertions(+), 372 deletions(-)
create mode 100644 drivers/s390/cio/vfio_ccw_trace.c

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