[PATCH AUTOSEL 6.3 07/17] arm64/hyperv: Use CPUHP_AP_HYPERV_ONLINE state to fix CPU online sequencing

[Michael Kelley (LINUX)]

From: Sasha Levin <sashal at kernel.org> Sent: Thursday, June 29, 2023 12:01 PM
> 
> From: Michael Kelley <mikelley at microsoft.com>
> 
> [ Upstream commit 52ae076c3a9b366b6fa9f7c7e67aed8b28716ed9 ]
> 
> 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.
> 

State CPUHP_AP_HYPERV_ONLINE was introduced in 6.4.  There's no need
to backport this patch to stable releases.

Michael