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Date: Tue, 21 May 2024 18:48:21 +0200
From: Alexander Gordeev <agordeev@...ux.ibm.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Vasily Gorbik <gor@...ux.ibm.com>, Heiko Carstens <hca@...ux.ibm.com>,
linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] more s390 updates for 6.10 merge window
Hi Linus,
please pull more s390 updates for the 6.10 merge window.
Please note a merge conflict in scripts/Makefile.vdsoinst with commit
1c369b6c9492 ("kbuild: simplify generic vdso installation code").
The resolution seems to be straightforward as resolved in next-20240521 commit
1c6d596096c4 ("Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git").
Thanks,
Alexander
The following changes since commit d65e1a0f305ba3e7aabf6261a37bb871790d9f93:
Merge tag 's390-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux (2024-05-13 08:33:52 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-6.10-2
for you to fetch changes up to c1248638f8c35b74400efa7e02e78ecda23373f9:
s390/zcrypt: Use kvcalloc() instead of kvmalloc_array() (2024-05-17 10:43:43 +0200)
----------------------------------------------------------------
more s390 updates for 6.10 merge window
- Switch read and write software bits for PUDs
- Add missing hardware bits for PUDs and PMDs
- Generate unwind information for C modules to fix GDB unwind
error for vDSO functions
- Create .build-id links for unstripped vDSO files to enable
vDSO debugging with symbols
- Use standard stack frame layout for vDSO generated stack frames
to manually walk stack frames without DWARF information
- Rework perf_callchain_user() and arch_stack_walk_user() functions
to reduce code duplication
- Skip first stack frame when walking user stack
- Add basic checks to identify invalid instruction pointers when
walking stack frames
- Introduce and use struct stack_frame_vdso_wrapper within vDSO user
wrapper code to automatically generate an asm-offset define. Also
use STACK_FRAME_USER_OVERHEAD instead of STACK_FRAME_OVERHEAD to
document that the code works with user space stack
- Clear the backchain of the extra stack frame added by the vDSO user
wrapper code. This allows the user stack walker to detect and skip
the non-standard stack frame. Without this an incorrect instruction
pointer would be added to stack traces.
- Rewrite psw_idle() function in C to ease maintenance and further
enhancements
- Remove get_vtimer() function and use get_cpu_timer() instead
- Mark psw variable in __load_psw_mask() as __unitialized to avoid
superfluous clearing of PSW
- Remove obsolete and superfluous comment about removed TIF_FPU flag
- Replace memzero_explicit() and kfree() with kfree_sensitive() to
fix warnings reported by Coccinelle
- Wipe sensitive data and all copies of protected- or secure-keys
from stack when an IOCTL fails
- Both do_airq_interrupt() and do_io_interrupt() functions set
CIF_NOHZ_DELAY flag. Move it in do_io_irq() to simplify the code
- Provide iucv_alloc_device() and iucv_release_device() helpers,
which can be used to deduplicate more or less identical IUCV
device allocation and release code in four different drivers
- Make use of iucv_alloc_device() and iucv_release_device()
helpers to get rid of quite some code and also remove a
cast to an incompatible function (clang W=1)
- There is no user of iucv_root outside of the core IUCV code left.
Therefore remove the EXPORT_SYMBOL
- __apply_alternatives() contains a runtime check which verifies
that the size of the to be patched code area is even. Convert
this to a compile time check
- Increase size of buffers for sending z/VM CP DIAGNOSE X'008'
commands from 128 to 240
- Do not accept z/VM CP DIAGNOSE X'008' commands longer than
maximally allowed
- Use correct defines IPL_BP_NVME_LEN and IPL_BP0_NVME_LEN instead
of IPL_BP_FCP_LEN and IPL_BP0_FCP_LEN ones to initialize NVMe
reIPL block on 'scp_data' sysfs attribute update
- Initialize the correct fields of the NVMe dump block, which
were confused with FCP fields
- Refactor macros for 'scp_data' (re-)IPL sysfs attribute to
reduce code duplication
- Introduce 'scp_data' sysfs attribute for dump IPL to allow tools
such as dumpconf passing additional kernel command line parameters
to a stand-alone dumper
- Rework the CPACF query functions to use the correct RRE or RRF
instruction formats and set instruction register fields correctly
- Instead of calling BUG() at runtime force a link error during
compile when a unsupported opcode is used with __cpacf_query()
or __cpacf_check_opcode() functions
- Fix a crash in ap_parse_bitmap_str() function on /sys/bus/ap/apmask
or /sys/bus/ap/aqmask sysfs file update with a relative mask value
- Fix "bindings complete" udev event which should be sent once all AP
devices have been bound to device drivers and again when unbind/bind
actions take place and all AP devices are bound again
- Facility list alt_stfle_fac_list is nowhere used in the decompressor,
therefore remove it there
- Remove custom kprobes insn slot allocator in favour of the standard
module_alloc() one, since kernel image and module areas are located
within 4GB
- Use kvcalloc() instead of kvmalloc_array() in zcrypt driver to avoid
calling memset() with a large byte count and get rid of the sparse
warning as result
----------------------------------------------------------------
Alexander Egorenkov (6):
s390/ipl: Fix size of vmcmd buffers for sending z/VM CP diag X'008' cmds
s390/ipl: Do not accept z/VM CP diag X'008' cmds longer than max length
s390/ipl: Fix incorrect initialization of len fields in nvme reipl block
s390/ipl: Fix incorrect initialization of nvme dump block
s390/ipl: Introduce macros for (re)ipl sysfs attribute 'scp_data'
s390/ipl: Introduce sysfs attribute 'scp_data' for dump ipl
Claudio Imbrenda (2):
s390/pgtable: Switch read and write softbits for puds
s390/pgtable: Add missing hardware bits for puds, pmds
Harald Freudenberger (4):
s390/cpacf: Split and rework cpacf query functions
s390/cpacf: Make use of invalid opcode produce a link error
s390/ap: Fix crash in AP internal function modify_bitmap()
s390/ap: Fix bind complete udev event sent after each AP bus scan
Heiko Carstens (15):
s390/vdso: Use standard stack frame layout
s390/stacktrace: Merge perf_callchain_user() and arch_stack_walk_user()
s390/stacktrace: Skip first user stack frame
s390/stacktrace: Improve detection of invalid instruction pointers
s390/vdso: Introduce and use struct stack_frame_vdso_wrapper
s390/stackstrace: Detect vdso stack frames
s390/iucv: Provide iucv_alloc_device() / iucv_release_device()
s390/vmlogrdr: Make use of iucv_alloc_device()
s390/netiucv: Make use of iucv_alloc_device()
s390/smsgiucv_app: Make use of iucv_alloc_device()
tty: hvc-iucv: Make use of iucv_alloc_device()
s390/iucv: Unexport iucv_root
s390/alternatives: Convert runtime sanity check into compile time check
s390/kprobes: Remove custom insn slot allocator
s390/zcrypt: Use kvcalloc() instead of kvmalloc_array()
Holger Dengler (3):
s390/pkey: Wipe sensitive data on failure
s390/pkey: Wipe copies of clear-key structures on failure
s390/pkey: Wipe copies of protected- and secure-keys
Jens Remus (2):
s390/vdso: Generate unwind information for C modules
s390/vdso: Create .build-id links for unstripped vdso files
Jules Irenge (1):
s390/pkey: Use kfree_sensitive() to fix Coccinelle warnings
Sven Schnelle (5):
s390/idle: Rewrite psw_idle() in C
s390/vtime: Use get_cpu_timer()
s390: Mark psw in __load_psw_mask() as __unitialized
s390/irq: Set CIF_NOHZ_DELAY in do_io_irq()
s390/boot: Remove alt_stfle_fac_list from decompressor
Thomas Huth (1):
s390/fpu: Remove comment about TIF_FPU
arch/s390/boot/startup.c | 1 -
arch/s390/include/asm/alternative-asm.h | 1 +
arch/s390/include/asm/alternative.h | 1 +
arch/s390/include/asm/cpacf.h | 109 ++++++++--
arch/s390/include/asm/pgtable.h | 12 +-
arch/s390/include/asm/processor.h | 17 +-
arch/s390/include/asm/stacktrace.h | 12 ++
arch/s390/kernel/Makefile | 1 -
arch/s390/kernel/alternative.c | 7 -
arch/s390/kernel/asm-offsets.c | 9 +-
arch/s390/kernel/entry.S | 23 --
arch/s390/kernel/idle.c | 10 +-
arch/s390/kernel/ipl.c | 319 ++++++++++++----------------
arch/s390/kernel/irq.c | 1 +
arch/s390/kernel/kprobes.c | 67 +-----
arch/s390/kernel/kprobes.h | 9 -
arch/s390/kernel/kprobes_insn_page.S | 22 --
arch/s390/kernel/perf_event.c | 34 +--
arch/s390/kernel/process.c | 5 -
arch/s390/kernel/setup.c | 2 +-
arch/s390/kernel/stacktrace.c | 89 ++++++--
arch/s390/kernel/vdso.c | 13 +-
arch/s390/kernel/vdso32/Makefile | 4 +-
arch/s390/kernel/vdso64/Makefile | 4 +-
arch/s390/kernel/vdso64/vdso_user_wrapper.S | 19 +-
arch/s390/kernel/vtime.c | 10 +-
drivers/s390/char/vmlogrdr.c | 20 +-
drivers/s390/cio/airq.c | 1 -
drivers/s390/cio/cio.c | 1 -
drivers/s390/crypto/ap_bus.c | 10 +-
drivers/s390/crypto/pkey_api.c | 109 +++++-----
drivers/s390/crypto/zcrypt_api.c | 9 +-
drivers/s390/crypto/zcrypt_ccamisc.c | 12 +-
drivers/s390/crypto/zcrypt_ep11misc.c | 6 +-
drivers/s390/net/netiucv.c | 20 +-
drivers/s390/net/smsgiucv_app.c | 21 +-
drivers/tty/hvc/hvc_iucv.c | 15 +-
include/net/iucv/iucv.h | 7 +-
net/iucv/iucv.c | 38 +++-
scripts/Makefile.vdsoinst | 2 +-
40 files changed, 517 insertions(+), 555 deletions(-)
delete mode 100644 arch/s390/kernel/kprobes.h
delete mode 100644 arch/s390/kernel/kprobes_insn_page.S
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