abi/api

Paths

• F include/linux/syscalls.h
• F kernel/sys_ni.c
• X arch/*/include/uapi/
• X include/uapi/

Last 30 days

Most active threads (last 7 days)

• WARM3d [RFC PATCH 00/24] pidfd: add a minimal process spawn builder
  2026-07-16 14:45 · 1 reply in 7d · Li Chen <hidden>

Active reviewers (last 30 days)

• Arnd Bergmann <arnd@arndb.de>
  2 attestations (2 Reviewed-by) · last on 2026-07-07

Recent patches

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

• WARM3d [RFC PATCH 22/24] pidfd: expose spawn builder system calls
  2026-07-16 · Li Chen <hidden>
• COOLING9d [RFC PATCH 1/6] pidfd: add pidfd_mmap()/pidfd_munmap() syscalls
  2026-07-10 · Cong Wang <hidden>
• DORMANTno replies REVIEWED: 5 (5M) [tip: timers/vdso] time: Respect COMPAT_32BIT_TIME for old time type functions
  2026-07-07 · tip-bot2 for Thomas Weißschuh <hidden>
• COOLING12d REVIEWED: 5 (5M) [PATCH v3 1/9] time: Respect COMPAT_32BIT_TIME for old time type functions
  2026-07-02 · Thomas Weißschuh <hidden>
• COLD18d [PATCH v2 1/9] time: Respect COMPAT_32BIT_TIME for old time type functions
  2026-06-30 · Thomas Weißschuh <hidden>
• COLD18d [PATCH v2 2/7] vmsplice: change argument type back to "int"
  2026-06-25 · Askar Safin <hidden>
• DORMANTno replies Re: Linux 6.6.143
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD30d Re: Linux 6.1.176
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.15.210
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 5.10.259
  2026-06-19 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD40d Re: Linux 7.0.12
  2026-06-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.18.35
  2026-06-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.12.93
  2026-06-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD34d [PATCH 2/5] vmsplice: change argument type back to "int"
  2026-06-06 · Askar Safin <hidden>
• COLD24d [PATCH 2/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2
  2026-05-31 · Askar Safin <hidden>
• COLD51d [PATCH v4 01/11] kernel/api: introduce kernel API specification framework
  2026-05-29 · Sasha Levin <sashal@kernel.org>
• COLD36d [RESEND][PATCH v2] unwind: Add sframe_(un)register() system calls
  2026-05-28 · Steven Rostedt <rostedt@kernel.org>
• COLD48d [PATCH v2] unwind: Add sframe_(un)register() system calls
  2026-05-28 · Steven Rostedt <rostedt@kernel.org>
• COLD38d [RFC PATCH v1 06/13] exec: add spawn_template_spawn()
  2026-05-28 · Li Chen <hidden>
• COLD38d [RFC PATCH v1 05/13] exec: add spawn template file descriptors
  2026-05-28 · Li Chen <hidden>
• COLD57d Re: Linux 7.0.10
  2026-05-23 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• COLD58d [PATCH] unwind: Add sframe_(un)register() system calls
  2026-05-21 · Steven Rostedt <rostedt@kernel.org>
• COLD23d [PATCH] Disable -Wattribute-alias for clang-23 and newer
  2026-05-15 · Nathan Chancellor <nathan@kernel.org>
• STALE66d IN LINUX-NEXT [PATCH bpf-next v14 1/8] bpf: Extend BPF syscall with common attributes support
  2026-05-12 · Leon Hwang <hidden>
• STALE66d [PATCH bpf-next v13 1/8] bpf: Extend BPF syscall with common attributes support
  2026-05-11 · Leon Hwang <hidden>
• STALE68d [RFC][PATCH] unwind: Add stacktrace_setup system call
  2026-04-29 · Steven Rostedt <rostedt@kernel.org>
• STALE75d [PATCH v3 1/9] kernel/api: introduce kernel API specification framework
  2026-04-24 · Sasha Levin <sashal@kernel.org>
• STALE88d [PATCH bpf-next v12 1/8] bpf: Extend BPF syscall with common attributes support
  2026-04-20 · Leon Hwang <hidden>
• STALE65d [RFC PATCH v2 1/2] vfs: syscalls: add mkdirat2() that returns an O_DIRECTORY fd
  2026-04-12 · Jori Koolstra <jkoolstra@xs4all.nl>
• STALE101d [RFC PATCH 1/2] vfs: syscalls: add mkdirat_fd()
  2026-03-31 · Jori Koolstra <jkoolstra@xs4all.nl>

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.

• COOLING12d REVIEWED: 5 (5M) [PATCH v3 1/9] time: Respect COMPAT_32BIT_TIME for old time type functions
  2026-07-02 · 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.

• STALE194d [PATCH bpf-next v4 1/9] bpf: Extend bpf syscall with common attributes support
  2026-01-06 · Leon Hwang <hidden>
• STALE191d [RESEND PATCH bpf-next v4 1/9] bpf: Extend bpf syscall with common attributes support
  2026-01-06 · Leon Hwang <hidden>
• STALE184d [PATCH bpf-next v5 1/9] bpf: Extend BPF syscall with common attributes support
  2026-01-12 · Leon Hwang <hidden>
• STALE180d [PATCH bpf-next v6 1/9] bpf: Extend BPF syscall with common attributes support
  2026-01-20 · Leon Hwang <hidden>
• STALE177d [RESEND PATCH bpf-next v6 1/9] bpf: Extend BPF syscall with common attributes support
  2026-01-20 · Leon Hwang <hidden>
• STALE175d [PATCH bpf-next v7 1/9] bpf: Extend BPF syscall with common attributes support
  2026-01-23 · Leon Hwang <hidden>
• STALE173d [PATCH bpf-next v8 1/9] bpf: Extend BPF syscall with common attributes support
  2026-01-26 · Leon Hwang <hidden>
• STALE164d [PATCH bpf-next v9 1/9] bpf: Extend BPF syscall with common attributes support
  2026-02-02 · Leon Hwang <hidden>
• DORMANTno replies [PATCH v6 RESEND 0/3] Optimize code generation during context switching
  2026-02-09 · Xie Yuanbin <hidden>
• STALE137d [PATCH bpf-next v10 1/8] bpf: Extend BPF syscall with common attributes support
  2026-02-11 · Leon Hwang <hidden>