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Message-ID: <20260207175105.10023Acc-hca@linux.ibm.com>
Date: Sat, 7 Feb 2026 18:51:05 +0100
From: Heiko Carstens <hca@...ux.ibm.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Vasily Gorbik <gor@...ux.ibm.com>,
Alexander Gordeev <agordeev@...ux.ibm.com>, linux-s390@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [GIT PULL] s390 updates for 7.0 merge window
Hi Linus,
please pull s390 updates for the 7.0 merge window.
Thanks,
Heiko
The following changes since commit 9448598b22c50c8a5bb77a9103e2d49f134c9578:
Linux 6.19-rc2 (2025-12-21 15:52:04 -0800)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-7.0-1
for you to fetch changes up to 5ae76830c76cf38708399245606e4e07a33fe51c:
s390/tape: Consolidate tape config options and modules (2026-02-05 13:02:48 +0100)
----------------------------------------------------------------
s390 updates for 7.0 merge window
- Drop support for outdated 3590/3592 and 3480 tape devices, and limit
support to virtualized 3490E types devices
- Implement exception based WARN() and WARN_ONCE() similar to x86
- Slightly optimize preempt primitives like __preempt_count_add() and
__preempt_count_dec_and_test()
- A couple of small fixes and improvements
----------------------------------------------------------------
Gerd Bayer (1):
s390/Kconfig: Define non-zero ILLEGAL_POINTER_VALUE
Halil Pasic (1):
s390/configs: Enable BLK_DEV_NULL_BLK as module
Harald Freudenberger (1):
s390/ap/zcrypt: Revisit module param permissions
Heiko Carstens (19):
s390/boot: Add -Wno-default-const-init-unsafe to KBUILD_CFLAGS
s390/purgatory: Add -Wno-default-const-init-unsafe to KBUILD_CFLAGS
s390/preempt: Optimize preempt_count()
s390/preempt: Optimize __preemp_count_add()/__preempt_count_sub()
s390/asm: Let __HAVE_ASM_FLAG_OUTPUTS__ define 1
s390/preempt: Optimize __preempt_count_dec_and_test()
Merge branch 'preempt'
s390: Add CC_HAS_ASM_IMMEDIATE_STRINGS
s390/bug: Convert to inline assembly with input operands
s390/bug: Use BUG_FORMAT for DEBUG_BUGVERBOSE_DETAILED
s390/bug: Introduce and use monitor code macro
s390/traps: Copy monitor code to pt_regs
s390/bug: Implement __WARN_printf()
s390/bug: Implement WARN_ONCE()
s390/bug: Skip __WARN_trap() in call traces
s390/bug: Prevent tail-call optimization
Merge branch 'warn-exception'
s390: Document s390 stackprotector support
Merge branch 'tape-devices'
Jan Höppner (8):
s390/tape: Remove support for 3590/3592 models
s390/tape: Remove tape load display support
s390/tape: Remove special block id handling
s390/tape: Remove unused command definitions
s390/tape: Remove 3480 tape device type
s390/tape: Cleanup sense data analysis and error handling
s390/tape: Rename tape_34xx.c to tape_3490.c
s390/tape: Consolidate tape config options and modules
Jens Remus (1):
s390/ptrace: Convert function macros to inline functions
Julia Lawall (1):
s390/ap: Fix typo in function name reference
Niklas Schnelle (2):
s390/pci: Handle futile config accesses of disabled devices directly
s390/pci: Use PCIBIOS return values in pci_read()/pci_write()
Salah Triki (1):
s390/cio: Fix device lifecycle handling in css_alloc_subchannel()
Thomas Richter (1):
s390/perf: Disable register readout on sampling events
Thomas Weißschuh (1):
s390: Implement ARCH_HAS_CC_CAN_LINK
Vasily Gorbik (1):
s390/kexec: Emit an error message when cmdline is too long
Documentation/arch/s390/mm.rst | 4 +
.../features/debug/stackprotector/arch-support.txt | 2 +-
arch/s390/Kconfig | 19 +
arch/s390/boot/Makefile | 1 +
arch/s390/boot/startup.c | 1 +
arch/s390/configs/debug_defconfig | 1 +
arch/s390/configs/defconfig | 1 +
arch/s390/include/asm/ap.h | 2 +-
arch/s390/include/asm/asm-prototypes.h | 1 +
arch/s390/include/asm/asm.h | 2 +-
arch/s390/include/asm/bug.h | 145 +-
arch/s390/include/asm/pci_io.h | 1 +
arch/s390/include/asm/preempt.h | 47 +-
arch/s390/include/asm/ptrace.h | 42 +-
arch/s390/include/uapi/asm/tape390.h | 103 --
arch/s390/kernel/entry.S | 11 +
arch/s390/kernel/machine_kexec_file.c | 4 +-
arch/s390/kernel/perf_cpum_sf.c | 2 +-
arch/s390/kernel/traps.c | 46 +-
arch/s390/pci/pci.c | 35 +-
arch/s390/purgatory/Makefile | 1 +
drivers/s390/char/Kconfig | 33 +-
drivers/s390/char/Makefile | 6 +-
drivers/s390/char/tape.h | 13 +-
drivers/s390/char/tape_3490.c | 825 ++++++++++
drivers/s390/char/tape_34xx.c | 1204 ---------------
drivers/s390/char/tape_3590.c | 1612 --------------------
drivers/s390/char/tape_3590.h | 175 ---
drivers/s390/char/tape_char.c | 5 +-
drivers/s390/char/tape_class.c | 15 +-
drivers/s390/char/tape_class.h | 2 +
drivers/s390/char/tape_core.c | 14 +-
drivers/s390/char/tape_std.c | 32 -
drivers/s390/char/tape_std.h | 45 +-
drivers/s390/cio/css.c | 2 +-
drivers/s390/crypto/ap_bus.c | 12 +-
drivers/s390/crypto/zcrypt_api.c | 2 +-
37 files changed, 1158 insertions(+), 3310 deletions(-)
delete mode 100644 arch/s390/include/uapi/asm/tape390.h
create mode 100644 drivers/s390/char/tape_3490.c
delete mode 100644 drivers/s390/char/tape_34xx.c
delete mode 100644 drivers/s390/char/tape_3590.c
delete mode 100644 drivers/s390/char/tape_3590.h
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