Re: [Xen-devel] [PATCH v3] xen: Make VPMU init message look less scary

From: David Vrabel
Date: Wed Aug 24 2016 - 13:48:29 EST


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