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Subject[GIT PULL] s390 patches for the 5.5 merge window #2
Hello Linus,

please pull the second round of s390 fixes and features for 5.5.

Thank you,
Vasily

The following changes since commit ea1f56fa16ae5f6e67f6ea03836b36c6053d33d1:

Merge tag 's390-5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux (2019-11-25 17:23:53 -0800)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux tags/s390-5.5-2

for you to fetch changes up to 2115fbf7210bd053ba55a95e7ebc366df41aa9cf:

s390: remove compat vdso code (2019-12-01 12:48:49 +0100)

----------------------------------------------------------------
s390 updates for the 5.5 merge window #2

- Make stack unwinder reliable and suitable for livepatching. Add unwinder
testing module.

- Fixes for CALL_ON_STACK helper used for stack switching.

- Fix unwinding from bpf code.

- Fix getcpu and remove compat support in vdso code.

- Fix address space control registers initialization.

- Save KASLR offset for early dumps.

- Handle new FILTERED_BY_HYPERVISOR reply code in crypto code.

- Minor perf code cleanup and potential memory leak fix.

- Add couple of error messages for corner cases during PCI device
creation.

----------------------------------------------------------------
Gerald Schaefer (1):
s390/kaslr: store KASLR offset for early dumps

Harald Freudenberger (1):
s390/zcrypt: handle new reply code FILTERED_BY_HYPERVISOR

Heiko Carstens (3):
s390/smp,vdso: fix ASCE handling
s390/vdso: fix getcpu
s390: remove compat vdso code

Ilya Leoshkevich (2):
s390: implement perf_arch_fetch_caller_regs
s390/unwind: add a test for the internal API

Miroslav Benes (2):
s390/unwind: add stack pointer alignment sanity checks
s390/livepatch: Implement reliable stack tracing for the consistency model

Niklas Schnelle (2):
s390/pci: add error message for UID collision
s390/pci: add error message on device number limit

Thomas Richter (4):
s390/cpum_sf: Replace function name in debug statements
s390/cpum_sf: Remove unnecessary check for pending SDBs
s390/cpum_sf: Use TEAR_REG macro consistantly
s390/cpum_sf: Check for SDBT and SDB consistency

Vasily Gorbik (18):
s390: always inline disabled_wait
s390: disable preemption when switching to nodat stack with CALL_ON_STACK
s390/unwind: unify task is current checks
s390: correct CALL_ON_STACK back_chain saving
s390: avoid misusing CALL_ON_STACK for task stack setup
s390/unwind: report an error if pt_regs are not on stack
s390/unwind: make reuse_sp default when unwinding pt_regs
s390/head64: correct init_task stack setup
s390/unwind: stop gracefully at task pt_regs
s390/unwind: always inline get_stack_pointer
s390/test_unwind: require that unwinding ended successfully
s390: fix register clobbering in CALL_ON_STACK
s390/test_unwind: add CALL_ON_STACK tests
s390/test_unwind: print verbose unwinding results
s390/test_unwind: add irq context tests
s390/test_unwind: add program check context tests
s390/unwind: start unwinding from reliable state
s390/unwind: filter out unreliable bogus %r14

arch/s390/Kconfig | 18 +-
arch/s390/Makefile | 1 -
arch/s390/boot/startup.c | 5 +
arch/s390/include/asm/cpu_mf.h | 2 +-
arch/s390/include/asm/perf_event.h | 7 +
arch/s390/include/asm/processor.h | 2 +-
arch/s390/include/asm/stacktrace.h | 36 +++-
arch/s390/include/asm/unwind.h | 8 +-
arch/s390/include/asm/vdso.h | 13 +-
arch/s390/kernel/Makefile | 1 -
arch/s390/kernel/asm-offsets.c | 3 +-
arch/s390/kernel/dumpstack.c | 7 +-
arch/s390/kernel/head64.S | 2 +-
arch/s390/kernel/machine_kexec.c | 4 +-
arch/s390/kernel/perf_cpum_sf.c | 136 ++++++------
arch/s390/kernel/setup.c | 9 +-
arch/s390/kernel/smp.c | 7 +-
arch/s390/kernel/stacktrace.c | 43 ++++
arch/s390/kernel/unwind_bc.c | 80 ++++---
arch/s390/kernel/vdso.c | 42 +---
arch/s390/kernel/vdso32/.gitignore | 1 -
arch/s390/kernel/vdso32/Makefile | 66 ------
arch/s390/kernel/vdso32/clock_getres.S | 44 ----
arch/s390/kernel/vdso32/clock_gettime.S | 179 ----------------
arch/s390/kernel/vdso32/getcpu.S | 33 ---
arch/s390/kernel/vdso32/gettimeofday.S | 103 ---------
arch/s390/kernel/vdso32/note.S | 13 --
arch/s390/kernel/vdso32/vdso32.lds.S | 142 -------------
arch/s390/kernel/vdso32/vdso32_wrapper.S | 15 --
arch/s390/kernel/vdso64/getcpu.S | 4 +-
arch/s390/lib/Makefile | 3 +
arch/s390/lib/test_unwind.c | 347 +++++++++++++++++++++++++++++++
arch/s390/mm/maccess.c | 12 +-
arch/s390/pci/pci.c | 5 +
drivers/s390/crypto/zcrypt_error.h | 2 +
35 files changed, 627 insertions(+), 768 deletions(-)
delete mode 100644 arch/s390/kernel/vdso32/.gitignore
delete mode 100644 arch/s390/kernel/vdso32/Makefile
delete mode 100644 arch/s390/kernel/vdso32/clock_getres.S
delete mode 100644 arch/s390/kernel/vdso32/clock_gettime.S
delete mode 100644 arch/s390/kernel/vdso32/getcpu.S
delete mode 100644 arch/s390/kernel/vdso32/gettimeofday.S
delete mode 100644 arch/s390/kernel/vdso32/note.S
delete mode 100644 arch/s390/kernel/vdso32/vdso32.lds.S
delete mode 100644 arch/s390/kernel/vdso32/vdso32_wrapper.S
create mode 100644 arch/s390/lib/test_unwind.c

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