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Date: Tue, 22 Feb 2011 14:31:04 -0500
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: stefano.stabellini@eu.citrix.com
Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com,
        Jeremy.Fitzhardinge@citrix.com
Subject: Re: [PATCH 5/7] xen: PV on HVM: support PV spinlocks
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> +static void xen_hvm_spinlock_init(void)
> +{
> +	if (!xen_have_vector_callback)
> +		return;
> +	xen_init_lock_cpu(0);
> +	xen_init_spinlocks();
> +}
> +
> +static void __init xen_hvm_smp_prepare_cpus(unsigned int max_cpus)
> +{
> +	native_smp_prepare_cpus(max_cpus);
> +	xen_hvm_spinlock_init();
> +}

You could squash those two together. Ah, next patch does something interesting.