RE: [PATCH v2 2/2] arm64/hyperv: Use CPUHP_AP_HYPERV_ONLINE state to fix CPU online sequencing

Dexuan Cui
2023-05-23T18:31:14Z

> From: Michael Kelley (LINUX) <mikelley@microsoft.com>
> Sent: Tuesday, May 23, 2023 10:14 AM
> To: KY Srinivasan <kys@microsoft.com>; Haiyang Zhang
> <haiyangz@microsoft.com>; wei.liu@kernel.org; Dexuan Cui
> <decui@microsoft.com>; catalin.marinas@arm.com; will@kernel.org;
> tglx@linutronix.de; mingo@redhat.com; bp@alien8.de;
> dave.hansen@linux.intel.com; hpa@zytor.com; linux-kernel@vger.kernel.org;
> linux-hyperv@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> x86@kernel.org
> Cc: Michael Kelley (LINUX) <mikelley@microsoft.com>
> Subject: [PATCH v2 2/2] 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>
> ---
>
> Changes in v2:
> * Fixed typo in commit message [Dexuan Cui]

Reviewed-by: Dexuan Cui <decui@microsoft.com>