linux-kernel - Re: [Xen-devel] [PATCH 2/4] xen/xenbus: Update xenbus event channel on resume

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Message-ID: <553FB617.5080507@citrix.com>
Date:	Tue, 28 Apr 2015 17:32:23 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	<david.vrabel@...rix.com>, <konrad.wilk@...cle.com>
CC:	<xen-devel@...ts.xenproject.org>, <annie.li@...cle.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH 2/4] xen/xenbus: Update xenbus event channel
 on resume

On 28/04/15 16:52, Boris Ostrovsky wrote:
> After a resume the hypervisor/tools may change xenbus event
> channel number. We should re-query it.
[...]
> @@ -793,6 +818,9 @@ static int __init xenbus_init(void)
>  		goto out_error;
>  	}
>  
> +	if (!xen_initial_domain())
> +		xen_resume_notifier_register(&xenbus_resume_nb);

I think this needs to be xenstore_domain_type != XS_LOCAL, to match
xenbus_init().

David
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