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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Dec 2024 16:12:26.6018 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0d1e842a-8d28-49ee-57eb-08dd1610c6cd X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0001708E.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6323 The code implicitly operates on AMD-based systems by matching on PCI IDs. However, the use of these IDs is going away. Add an explicit CPU vendor check instead of relying on PCI IDs. Signed-off-by: Yazen Ghannam --- Notes: Link: https://lore.kernel.org/20241023172150.659002-3-yazen.ghannam@amd.com v1->v2: * No change. arch/x86/kernel/amd_nb.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 9fe9972d2071..37b8244899d8 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -582,6 +582,10 @@ static __init void fix_erratum_688(void) static __init int init_amd_nbs(void) { + if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD && + boot_cpu_data.x86_vendor != X86_VENDOR_HYGON) + return 0; + amd_cache_northbridges(); amd_cache_gart();