linux-kernel - [PATCH v4 0/3] AMD NB and SMN rework

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Message-ID: <20250130-wip-x86-amd-nb-cleanup-v4-0-b5cc997e471b@amd.com>
Date: Thu, 30 Jan 2025 19:48:54 +0000
From: Yazen Ghannam <yazen.ghannam@....com>
To: <x86@...nel.org>, Mario Limonciello <mario.limonciello@....com>, "Yazen
 Ghannam" <yazen.ghannam@....com>, Suma Hegde <Suma.Hegde@....com>, "Naveen
 Krishna Chatradhi" <naveenkrishna.chatradhi@....com>, Carlos Bilbao
	<carlos.bilbao.osdev@...il.com>, Hans de Goede <hdegoede@...hat.com>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
CC: <linux-kernel@...r.kernel.org>, <platform-driver-x86@...r.kernel.org>
Subject: [PATCH v4 0/3] AMD NB and SMN rework

Hi all,

This revision includes the remaining patches not yet accepted.

The only major change is to fix a build issue for an exported function.

Thanks,
Yazen

---
Changes in v4:
- Includes patches left out of v3. 
- Fix build issue for amd_smn_hsmp_rdwr(). Used Suma's suggestion.
- Link to v3: https://lore.kernel.org/r/20250107222847.3300430-1-yazen.ghannam@amd.com

Changes in v3:
- Based on public branch from Boris. 
- Add check for not finding any 'misc' devices during init. 
- Link to v2: https://lore.kernel.org/r/20241206161210.163701-1-yazen.ghannam@amd.com

Changes in v2:
- Rebase HSMP changes on latest upstream rework.
- Keep Node and SMN code together.
- Link to v1: https://lore.kernel.org/r/20241023172150.659002-1-yazen.ghannam@amd.com

---
Mario Limonciello (2):
      x86/amd_node: Add SMN offsets to exclusive region access
      x86/amd_node: Add support for debugfs access to SMN registers

Yazen Ghannam (1):
      x86/amd_node, platform/x86/amd/hsmp: Have HSMP use SMN through AMD_NODE

 arch/x86/include/asm/amd_nb.h         |   1 -
 arch/x86/include/asm/amd_node.h       |  13 +++
 arch/x86/kernel/amd_nb.c              |   1 -
 arch/x86/kernel/amd_node.c            | 149 ++++++++++++++++++++++++++++++++++
 drivers/platform/x86/amd/hsmp/Kconfig |   2 +-
 drivers/platform/x86/amd/hsmp/acpi.c  |   7 +-
 drivers/platform/x86/amd/hsmp/hsmp.c  |   1 -
 drivers/platform/x86/amd/hsmp/hsmp.h  |   3 -
 drivers/platform/x86/amd/hsmp/plat.c  |  36 +++-----
 9 files changed, 179 insertions(+), 34 deletions(-)
---
base-commit: 25cb07b28aa8f42f3123a7b0bd09ea1d9a24fa28
change-id: 20241206-wip-x86-amd-nb-cleanup-6383ebdf8d25