linux-kernel - Re: [RFC PATCH V2 01/11] xen/manage: keep track of the on-going suspend mode

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Date:   Thu, 9 Jan 2020 18:46:16 -0500
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Anchal Agarwal <anchalag@...zon.com>, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, hpa@...or.com, x86@...nel.org,
        jgross@...e.com, linux-pm@...r.kernel.org, linux-mm@...ck.org,
        kamatam@...zon.com, sstabellini@...nel.org, konrad.wilk@...cle.co,
        roger.pau@...rix.com, axboe@...nel.dk, davem@...emloft.net,
        rjw@...ysocki.net, len.brown@...el.com, pavel@....cz,
        peterz@...radead.org, eduval@...zon.com, sblbir@...zon.com,
        xen-devel@...ts.xenproject.org, vkuznets@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Woodhouse@...-dsk-anchalag-2a-9c2d1d96.us-west-2.amazon.com,
        dwmw@...zon.co.uk, fllinden@...ozn.com
Subject: Re: [RFC PATCH V2 01/11] xen/manage: keep track of the on-going
 suspend mode



On 1/7/20 6:37 PM, Anchal Agarwal wrote:
> +
> +static int xen_setup_pm_notifier(void)
> +{
> +	if (!xen_hvm_domain())
> +		return -ENODEV;

ARM guests are also HVM domains. Is it OK for them to register the 
notifier? The diffstat suggests that you are supporting ARM.

-boris

> +
> +	return register_pm_notifier(&xen_pm_notifier_block);
> +}
>