Commit 52ae076c authored May 23, 2023 by Michael Kelley Committed by Wei Liu Jun 17, 2023

arm64/hyperv: Use CPUHP_AP_HYPERV_ONLINE state to fix CPU online sequencing

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>

parent 9636be85

arch/arm64/hyperv/mshyperv.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -67,7 +67,7 @@ static int __init hyperv_init(void)
	if (ret)		if (ret)
	return 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);		hv_common_cpu_init, hv_common_cpu_die);
	if (ret < 0) {		if (ret < 0) {
	hv_common_free();		hv_common_free();