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-security-module (capped at 30), ordered by date desc.

• COLD22d [PATCH 09/11] treewide: Convert custom kernel_param_ops .get callbacks to seq_buf via cocci
  2026-05-21 · Kees Cook <kees@kernel.org>
• COLD22d [PATCH 04/11] treewide: Convert struct kernel_param_ops initializers to DEFINE_KERNEL_PARAM_OPS
  2026-05-21 · Kees Cook <kees@kernel.org>
• STALE77d [PATCH 43/61] s390: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE111d [PATCH] integrity: Eliminate weak definition of arch_get_secureboot()
  2026-03-09 · Nathan Chancellor <nathan@kernel.org>
• STALE115d Re: [PATCH] integrity: avoid using __weak functions
  2026-03-06 · Nathan Chancellor <nathan@kernel.org>
• STALE115d [PATCH] integrity: avoid using __weak functions
  2026-03-06 · Arnd Bergmann <arnd@kernel.org>
• STALE118d [PATCH 1/1] s390/ipl: Fix missing arch_get_secureboot() prototype warning
  2026-03-05 · Vasily Gorbik <gor@linux.ibm.com>
• STALE98d REVIEWED: 1 (1M) [PATCH v3 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-05 · Thomas Weißschuh <hidden>
• STALE98d REVIEWED: 1 (1M) [PATCH v3 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-05 · Thomas Weißschuh <hidden>
• STALE119d REVIEWED: 1 (1M) [PATCH v2 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-05 · Thomas Weißschuh <hidden>
• STALE119d REVIEWED: 1 (1M) [PATCH v2 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-05 · Thomas Weißschuh <hidden>
• STALE120d [PATCH 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-02 · Thomas Weißschuh <hidden>
• STALE120d [PATCH 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-02 · Thomas Weißschuh <hidden>
• STALE118d [PATCH v3 1/3] integrity: Make arch_ima_get_secureboot integrity-wide
  2026-02-13 · Coiby Xu <hidden>
• STALE133d Re: [PATCH 3/5] mm: export zap_page_range_single and list_lru_add/del
  2026-02-05 · "David Hildenbrand (arm)" <david@kernel.org>
• STALE133d Re: [PATCH 3/5] mm: export zap_page_range_single and list_lru_add/del
  2026-02-05 · "David Hildenbrand (arm)" <david@kernel.org>
• STALE140d [PATCH v2 1/3] integrity: Make arch_ima_get_secureboot integrity-wide
  2026-02-03 · Coiby Xu <hidden>
• STALE126d [PATCH 1/3] integrity: Make arch_ima_get_secureboot integrity-wide
  2026-01-15 · Coiby Xu <hidden>
• STALE240d [PATCH v6 1/5] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-10-10 · Maxime Bélair <hidden>
• STALE63d [PATCH v3 05/14] s390/pkey: Remove redundant rcu_read_lock/unlock() in spin_lock
  2025-09-16 · pengdonglin <hidden>
• STALE289d [PATCH v2] rcu: Remove redundant rcu_read_lock/unlock() in spin_lock critical sections
  2025-09-15 · pengdonglin <hidden>
• STALE291d [PATCH] rcu: Remove redundant rcu_read_lock/unlock() in spin_lock critical sections
  2025-09-12 · pengdonglin <hidden>
• STALE287d LANDED [PATCH v2 3/4] arch: copy_thread: pass clone_flags as u64
  2025-09-01 · Simon Schuster via B4 Relay <devnull+schuster.simon.siemens-energy.com@kernel.org>
• STALE326d LANDED: 2 (2M) [PATCH v3 07/13] s390: Handle KCOV __init vs inline mismatches
  2025-07-17 · Kees Cook <kees@kernel.org>
• STALE326d LANDED [PATCH v3 01/13] stackleak: Rename STACKLEAK to KSTACK_ERASE
  2025-07-17 · Kees Cook <kees@kernel.org>
• STALE265d [PATCH v5 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-07-09 · Maxime Bélair <hidden>
• STALE366d [PATCH v4 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-07-01 · Maxime Bélair <hidden>
• STALE366d [PATCH v3 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-06-24 · Maxime Bélair <hidden>
• STALE377d [PATCH v2 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-06-19 · Maxime Bélair <hidden>
• STALE358d [PATCH v2 07/14] s390: Handle KCOV __init vs inline mismatches
  2025-05-23 · Kees Cook <kees@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.

• STALE119d 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
• STALE119d 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
• STALE98d 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
• STALE98d 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.

• STALE120d [PATCH 3/8] module: Give 'enum pkey_id_type' a more specific name
  2026-03-02 · Thomas Weißschuh <hidden>
• STALE120d [PATCH 4/8] module: Give MODULE_SIG_STRING a more descriptive name
  2026-03-02 · Thomas Weißschuh <hidden>
• STALE77d [PATCH 43/61] s390: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>