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xen-devel
Re: [Xen-devel] [PATCH 6 of 6] PV on HVM suspend\resume
On 04/22/2010 08:17 AM, Stefano Stabellini wrote:
> +static void do_hvm_suspend(void)
> +{
> + int err;
> + int cancelled = 1;
> +
> + shutting_down = SHUTDOWN_SUSPEND;
> +
> + err = stop_machine_create();
> + if (err) {
> + printk(KERN_ERR "xen suspend: failed to setup stop_machine
> %d\n", err);
> + goto out;
> + }
> +
> +#ifdef CONFIG_PREEMPT
> + /* If the kernel is preemptible, we need to freeze all the processes
> + to prevent them from being in the middle of a pagetable update
> + during suspend. */
> + err = freeze_processes();
> + if (err) {
> + printk(KERN_ERR "xen suspend: freeze failed %d\n", err);
> + goto out_destroy_sm;
>
This won't compile with CONFIG_PREEMPT enabled, because out_destroy_sm
is missing below.
J
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