On 12/2/2024 05:38, Peter Zijlstra wrote:
On Sat, Nov 30, 2024 at 08:06:58AM -0600, Mario Limonciello wrote:@@ -340,6 +416,11 @@ static int amd_hfi_probe(struct platform_device *pdev) if (ret) return ret;+ ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "x86/amd_hfi:online",+ amd_hfi_online, amd_hfi_offline);By using online notifier, you will already have tasks running on this CPU before you initialize the HFI bits, is that okay?
Yeah; AFAICT it should be fine.