amd node driver · Supported

Maintainers

• M Mario Limonciello <mario.limonciello@amd.com>
• M Yazen Ghannam <yazen.ghannam@amd.com>

Paths

• F arch/x86/include/asm/amd/node.h
• F arch/x86/kernel/amd_node.c

Last 30 days

Recent patches

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

• WARM1d [PATCH v3 3/6] x86/amd_node: Restrict SMN root enumeration to AMD vendor
  2026-07-09 · Lin Wang <hidden>
• COLD34d [PATCH] x86: Avoid divide by 0 in amd_smn_init()
  2026-06-23 · Jason Andryuk <hidden>
• COLD53d Re: kernel NULL pointer dereference in quirk_clear_strap_no_soft_reset_dev2_f0 -> amd_smn_read
  2026-06-05 · Borislav Petkov <bp@alien8.de>
• DORMANTno replies Re: [PATCH v1 0/2] x86/amd_node: harden amd_smn_init() against Xen dom0 topology
  2026-06-02 · Borislav Petkov <bp@alien8.de>
• COLD56d [PATCH v1 2/2] x86/amd_node: reject SMN access when amd_smn_init() did not complete
  2026-05-06 · Penny Zheng <hidden>
• COLD56d [PATCH v1 1/2] x86/amd_node: avoid divide-by-zero in amd_smn_init() under Xen dom0
  2026-05-06 · Penny Zheng <hidden>
• STALE96d [RFC PATCH v2 4/5] x86/amd_node: Add smn_set_roots() and smn_activate() for external SMN registration
  2026-04-23 · Lin Wang <hidden>
• STALE117d [RFC PATCH 5/5] x86/amd_node: Support Hygon SMN roots by socket
  2026-04-02 · Lin Wang <hidden>
• COLD53d Re: kernel NULL pointer dereference in quirk_clear_strap_no_soft_reset_dev2_f0 -> amd_smn_read
  2026-01-13 · Mario Limonciello <mario.limonciello@amd.com>
• STALE225d [PATCH 5/5] x86/amd_node: Output the AGESA version to the logs
  2025-12-14 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE236d [PATCH 2/2] x86/amd_node: fix null pointer dereference if amd_smn_init failed
  2025-11-14 · Steven Noonan <hidden>
• STALE236d [PATCH 1/2] x86/amd_node: fix integer divide by zero during init
  2025-11-14 · Steven Noonan <hidden>
• DORMANTno replies Re: Linux 6.17.8
  2025-11-13 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies [tip: x86/urgent] x86/amd_node: Fix AMD root device caching
  2025-11-03 · tip-bot2 for Yazen Ghannam <hidden>
• STALE268d [PATCH v2] x86/amd_node: Fix AMD root device caching
  2025-10-28 · Yazen Ghannam <yazen.ghannam@amd.com>
• STALE279d [PATCH 2/2] x86/amd_node: Use new root search helper
  2025-09-30 · Yazen Ghannam <yazen.ghannam@amd.com>
• STALE279d [PATCH 1/2] x86/amd_node: Fix AMD root device caching
  2025-09-30 · Yazen Ghannam <yazen.ghannam@amd.com>
• STALE411d [PATCH] x86: Fix build warnings about export.h
  2025-06-12 · Zhenghan Cheng <hidden>
• STALE412d [PATCH] x86: Fix build warnings about export.h
  2025-06-12 · Zhenghan Cheng <hidden>
• DORMANTno replies Re: Linux 6.14.9
  2025-05-29 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.14.8
  2025-05-22 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE342d [PATCH AUTOSEL 6.14 088/642] x86/amd_node: Add SMN offsets to exclusive region access
  2025-05-05 · Sasha Levin <sashal@kernel.org>
• STALE471d REVIEWED: 8 (8M) [tip: x86/merge] x86/platform/amd: Move the <asm/amd_node.h> header to <asm/amd/node.h>
  2025-04-14 · tip-bot2 for Ingo Molnar <hidden>
• STALE471d LANDED [PATCH 6/6] x86/platform/amd: Move the <asm/amd_node.h> header to <asm/amd/node.h>
  2025-04-13 · Ingo Molnar <mingo@kernel.org>
• DORMANTno replies REVIEWED: 11 (11M) [tip: x86/core] x86/amd_node, platform/x86/amd/hsmp: Have HSMP use SMN through AMD_NODE
  2025-03-19 · tip-bot2 for Yazen Ghannam <hidden>
• STALE497d [tip: x86/core] x86/amd_node: Add SMN offsets to exclusive region access
  2025-03-19 · tip-bot2 for Mario Limonciello <hidden>
• STALE497d [tip: x86/core] x86/amd_node: Add support for debugfs access to SMN registers
  2025-03-19 · tip-bot2 for Mario Limonciello <hidden>
• STALE497d [tip: x86/misc] x86/amd_node: Add SMN offsets to exclusive region access
  2025-02-18 · tip-bot2 for Mario Limonciello <hidden>
• STALE497d REVIEWED: 11 (11M) [tip: x86/misc] x86/amd_node, platform/x86/amd/hsmp: Have HSMP use SMN through AMD_NODE
  2025-02-18 · tip-bot2 for Yazen Ghannam <hidden>
• STALE497d [tip: x86/misc] x86/amd_node: Add support for debugfs access to SMN registers
  2025-02-18 · tip-bot2 for Mario Limonciello <hidden>

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.

• COLD56d [PATCH v1 1/2] x86/amd_node: avoid divide-by-zero in amd_smn_init() under Xen dom0
  2026-05-06 · Penny Zheng <hidden>
• COLD56d [PATCH v1 2/2] x86/amd_node: reject SMN access when amd_smn_init() did not complete
  2026-05-06 · Penny Zheng <hidden>
• DORMANTno replies Re: [PATCH v1 0/2] x86/amd_node: harden amd_smn_init() against Xen dom0 topology
  2026-06-02 · Borislav Petkov <bp@alien8.de>