[PATCH 07/10] KVM: PPC: Add PAPR hypercall code for PR mode

[Avi Kivity]

On 08/09/2011 07:46 PM, Alexander Graf wrote:
> On 08/09/2011 06:40 PM, Avi Kivity wrote:
>> On 08/09/2011 07:31 PM, Alexander Graf wrote:
>>> When running a PAPR guest, we need to handle a few hypercalls in 
>>> kernel space,
>>> most prominently the page table invalidation (to sync the shadows).
>>>
>>> So this patch adds handling for a few PAPR hypercalls to PR mode 
>>> KVM. I tried
>>> to share the code with HV mode, but it ended up being a lot easier 
>>> this way
>>> around, as the two differ too much in those details.
>>>
>>>
>>> +++ b/arch/powerpc/kvm/book3s_pr_papr.c
>>> @@ -0,0 +1,158 @@
>>> +/*
>>> + * Copyright (C) 2011. Freescale Inc. All rights reserved.
>>> + *
>>> + * Authors:
>>> + *    Alexander Graf<agraf at suse.de>
>>> + *    Paul Mackerras<paulus at samba.org>
>>> + *
>>> + * Description:
>>> + *
>>> + * Hypercall handling for running PAPR guests in PR KVM on Book 3S
>>> + * processors.
>>> + *
>>> + * This program is free software; you can redistribute it and/or 
>>> modify
>>> + * it under the terms of the GNU General Public License, version 2, as
>>> + * published by the Free Software Foundation.
>>> + */
>>
>> Copyright freescale, authors Paul and yourself?
>
> Yeah, I'm reasonably clueless when it comes to legal stuff. This code 
> is inspired by Paul's, but is mostly rewritten since it's so tied into 
> the virtual MMU. What would the copyright be in that case?

Just put your own (or your employers').  If someone contributed to the 
code they can add their copyrights (or ask you do do it before inclusion).

It would be good to get Paul's or Ben's so that the unimportant 
characters between the whitespace get some braintime.

-- 
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