s390 architecture · Supported

Maintainers

• M Heiko Carstens <hca@linux.ibm.com>
• M Vasily Gorbik <gor@linux.ibm.com>
• M Alexander Gordeev <agordeev@linux.ibm.com>
• R Christian Borntraeger <borntraeger@linux.ibm.com>
• R Sven Schnelle <svens@linux.ibm.com>

Paths

• F Documentation/driver-api/s390-drivers.rst
• F Documentation/arch/s390/
• F arch/s390/
• F drivers/s390/
• F drivers/watchdog/diag288_wdt.c

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on linux-modules (capped at 30), ordered by date desc.

• HOTtoday [PATCH 09/11] treewide: Convert custom kernel_param_ops .get callbacks to seq_buf via cocci
  2026-05-21 · Kees Cook <kees@kernel.org>
• HOTtoday [PATCH 04/11] treewide: Convert struct kernel_param_ops initializers to DEFINE_KERNEL_PARAM_OPS
  2026-05-21 · Kees Cook <kees@kernel.org>
• COLD44d [PATCH 43/61] s390: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE65d REVIEWED: 1 (1M) [PATCH v3 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-05 · Thomas Weißschuh <hidden>
• STALE65d REVIEWED: 1 (1M) [PATCH v3 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-05 · Thomas Weißschuh <hidden>
• STALE86d REVIEWED: 1 (1M) [PATCH v2 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-05 · Thomas Weißschuh <hidden>
• STALE86d REVIEWED: 1 (1M) [PATCH v2 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-05 · Thomas Weißschuh <hidden>
• STALE87d [PATCH 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-02 · Thomas Weißschuh <hidden>
• STALE87d [PATCH 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-02 · Thomas Weißschuh <hidden>
• STALE129d [PATCH v5 4/6] kernel.h: include linux/instruction_pointer.h explicitly
  2026-01-16 · Yury Norov <hidden>
• STALE145d [PATCH v4 7/7] kernel.h: drop trace_printk.h
  2025-12-25 · "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
• STALE145d [PATCH v4 4/7] kernel.h: include linux/instruction_pointer.h explicitly
  2025-12-25 · "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
• STALE205d REVIEWED: 3 (3M) [PATCH v6 01/17] s390/sha3: Rename conflicting functions
  2025-10-17 · David Howells <dhowells@redhat.com>
• STALE232d REVIEWED: 2 (2M) [PATCH v8 1/8] s390: vmlinux.lds.S: Reorder sections
  2025-09-18 · Alexey Gladkov <legion@kernel.org>
• STALE240d REVIEWED: 2 (2M) [PATCH v7 1/8] s390: vmlinux.lds.S: Reorder sections
  2025-08-18 · Alexey Gladkov <legion@kernel.org>
• STALE285d REVIEWED: 2 (2M) [PATCH v6 9/9] s390: vmlinux.lds.S: Reorder sections
  2025-08-14 · Alexey Gladkov <legion@kernel.org>
• STALE305d [PATCH v5 10/10] s390: vmlinux.lds.S: Reorder sections
  2025-07-24 · Alexey Gladkov <legion@kernel.org>
• STALE568d Re: [RFC] module: Strict per-modname namespaces
  2024-11-07 · Peter Zijlstra <peterz@infradead.org>
• STALE456d REVIEWED: 9 (8M) [PATCH v7 5/8] arch: introduce set_direct_map_valid_noflush()
  2024-10-23 · Mike Rapoport <rppt@kernel.org>
• STALE583d REVIEWED: 4 (4M) [PATCH v6 5/8] arch: introduce set_direct_map_valid_noflush()
  2024-10-16 · Mike Rapoport <rppt@kernel.org>
• STALE590d [PATCH v5 5/8] arch: introduce set_direct_map_valid_noflush()
  2024-10-09 · Mike Rapoport <rppt@kernel.org>
• STALE599d [PATCH v4 5/8] arch: introduce set_direct_map_valid_noflush()
  2024-10-07 · Mike Rapoport <rppt@kernel.org>
• STALE743d REVIEWED: 1 (0M) [PATCH RESEND v8 12/16] arch: make execmem setup available regardless of CONFIG_MODULES
  2024-05-05 · Mike Rapoport <rppt@kernel.org>
• STALE743d REVIEWED: 15 (14M) [PATCH RESEND v8 08/16] mm/execmem, arch: convert remaining overrides of module_alloc to execmem
  2024-05-05 · Mike Rapoport <rppt@kernel.org>
• STALE743d REVIEWED: 12 (12M) [PATCH RESEND v8 06/16] mm: introduce execmem_alloc() and execmem_free()
  2024-05-05 · Mike Rapoport <rppt@kernel.org>
• STALE754d REVIEWED: 1 (0M) [PATCH v8 12/17] arch: make execmem setup available regardless of CONFIG_MODULES
  2024-05-05 · Mike Rapoport <rppt@kernel.org>
• STALE754d REVIEWED: 15 (14M) [PATCH v8 08/17] mm/execmem, arch: convert remaining overrides of module_alloc to execmem
  2024-05-05 · Mike Rapoport <rppt@kernel.org>
• STALE754d REVIEWED: 12 (12M) [PATCH v8 06/17] mm: introduce execmem_alloc() and execmem_free()
  2024-05-05 · Mike Rapoport <rppt@kernel.org>
• STALE757d REVIEWED: 1 (0M) [PATCH v7 12/16] arch: make execmem setup available regardless of CONFIG_MODULES
  2024-04-29 · Mike Rapoport <rppt@kernel.org>
• STALE757d REVIEWED: 14 (14M) [PATCH v7 08/16] mm/execmem, arch: convert remaining overrides of module_alloc to execmem
  2024-04-29 · Mike Rapoport <rppt@kernel.org>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE86d REVIEWED: 1 (1M) [PATCH v2 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-05 · Thomas Weißschuh <hidden> · 1 Reviewed-by
• STALE86d REVIEWED: 1 (1M) [PATCH v2 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-05 · Thomas Weißschuh <hidden> · 1 Reviewed-by
• STALE65d REVIEWED: 1 (1M) [PATCH v3 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-05 · Thomas Weißschuh <hidden> · 1 Reviewed-by
• STALE65d REVIEWED: 1 (1M) [PATCH v3 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-05 · Thomas Weißschuh <hidden> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE145d [PATCH v4 4/7] kernel.h: include linux/instruction_pointer.h explicitly
  2025-12-25 · "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
• STALE87d [PATCH 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-02 · Thomas Weißschuh <hidden>
• STALE87d [PATCH 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-02 · Thomas Weißschuh <hidden>
• COLD44d [PATCH 43/61] s390: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>