arm64/hyperv: Use CPUHP_AP_HYPERV_ONLINE state to fix CPU online sequencing
authorMichael Kelley <mikelley@microsoft.com>
Tue, 23 May 2023 17:14:22 +0000 (10:14 -0700)
committerWei Liu <wei.liu@kernel.org>
Sat, 17 Jun 2023 23:09:47 +0000 (23:09 +0000)
State CPUHP_AP_HYPERV_ONLINE has been introduced to correctly sequence the
initialization of hyperv_pcpu_input_arg. Use this new state for Hyper-V
initialization so that hyperv_pcpu_input_arg is allocated early enough.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Link: https://lore.kernel.org/r/1684862062-51576-2-git-send-email-mikelley@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
arch/arm64/hyperv/mshyperv.c

index a406454..f1b8a04 100644 (file)
@@ -67,7 +67,7 @@ static int __init hyperv_init(void)
        if (ret)
                return ret;
 
-       ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "arm64/hyperv_init:online",
+       ret = cpuhp_setup_state(CPUHP_AP_HYPERV_ONLINE, "arm64/hyperv_init:online",
                                hv_common_cpu_init, hv_common_cpu_die);
        if (ret < 0) {
                hv_common_free();