linux-kernel - Re: [PATCH v4 03/12] Add async PF initialization to PV guest.

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Date:	Wed, 07 Jul 2010 17:41:01 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Gleb Natapov <gleb@...hat.com>
Cc:	kvm@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, avi@...hat.com, mingo@...e.hu,
	tglx@...utronix.de, hpa@...or.com, riel@...hat.com,
	cl@...ux-foundation.org, mtosatti@...hat.com
Subject: Re: [PATCH v4 03/12] Add async PF initialization to PV guest.

On Tue, 2010-07-06 at 19:24 +0300, Gleb Natapov wrote:
> @@ -329,6 +330,8 @@ notrace static void __cpuinit start_secondary(void *unused)
>         per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
>         x86_platform.nmi_init();
>  
> +       kvm_guest_cpu_init();
> +
>         /* enable local interrupts */
>         local_irq_enable(); 

CPU_STARTING hotplug notifier is too early?

called from:
   start_secondary()
     smp_callin()
       notify_cpu_starting() 

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