From 27600805e62f800bacf990354632eae4e487d34c Mon Sep 17 00:00:00 2001 From: Yazen Ghannam Date: Thu, 3 Sep 2026 10:43:25 -0500 Subject: x86/amd_node: Fix PCI device reference counting in amd_smn_init() The local "root" pointer is a temporary variable used during the device search. Therefore, refcount related to the search iterators should be cleaned up after the search is complete. Use the __free() cleanup macro to ensure the refcount is decremented when the temporary pointer goes out of scope. Additionally, increment the refcount when caching a root pointer. This ensures the in-use refcount is separate from the temporary search refcounting. Finally, drop the redundant "root = NULL" before the second search loop. The pci_get_class() iterator always decrements the refcount of its "from" argument, so the first loop can only fall through with "root" already NULL. Fixes: 0a4b61d9c2e4 ("x86/amd_node: Fix AMD root device caching") Closes: https://sashiko.dev/#/patchset/20260806160159.230453-1-jason.andryuk%40amd.com Reported-by: Sashiko Assisted-by: LLM Signed-off-by: Yazen Ghannam Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Mario Limonciello (AMD) Cc: Link: https://patch.msgid.link/20260903154325.74343-1-yazen.ghannam@amd.com --- net/ncsi/Kconfig | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 net/ncsi/Kconfig (limited to 'net/ncsi/Kconfig') diff --git a/net/ncsi/Kconfig b/net/ncsi/Kconfig new file mode 100644 index 000000000..ea1dd32b6 --- /dev/null +++ b/net/ncsi/Kconfig @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Configuration for NCSI support +# + +config NET_NCSI + bool "NCSI interface support" + depends on INET + help + This module provides NCSI (Network Controller Sideband Interface) + support. Enable this only if your system connects to a network + device via NCSI and the ethernet driver you're using supports + the protocol explicitly. +config NCSI_OEM_CMD_GET_MAC + bool "Get NCSI OEM MAC Address" + depends on NET_NCSI + help + This allows to get MAC address from NCSI firmware and set them back to + controller. +config NCSI_OEM_CMD_KEEP_PHY + bool "Keep PHY Link up" + depends on NET_NCSI + help + This allows to keep PHY link up and prevents any channel resets during + the host load. -- cgit v1.3.1