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Subject: Re: [Xen-devel] [PATCH v3] xen: Make VPMU init message look less
 scary
To: Juergen Gross <jgross@suse.com>, <linux-kernel@vger.kernel.org>,
        <xen-devel@lists.xenproject.org>
References: <1470122532-9072-1-git-send-email-jgross@suse.com>
CC: <boris.ostrovsky@oracle.com>, <david.vrabel@citrix.com>
From: David Vrabel <david.vrabel@citrix.com>
Message-ID: <57BDDDA4.6010002@citrix.com>
Date: Wed, 24 Aug 2016 18:47:16 +0100
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On 02/08/16 08:22, Juergen Gross wrote:
> The default for the Xen hypervisor is to not enable VPMU in order to
> avoid security issues. In this case the Linux kernel will issue the
> message "Could not initialize VPMU for cpu 0, error -95" which looks
> more like an error than a normal state.
> 
> Change the message to something less scary in case the hypervisor
> returns EOPNOTSUPP or ENOSYS when trying to activate VPMU.

Applied to for-linus-4.9, thanks.

David