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From: Avi Kivity <avi@redhat.com>
To: Alexander Graf <agraf@suse.de>
Cc: linuxppc-dev@ozlabs.org, paulus@samba.org, kvm@vger.kernel.org,
	kvm-ppc@vger.kernel.org
Subject: Re: [PATCH 07/10] KVM: PPC: Add PAPR hypercall code for PR mode
Date: Tue, 09 Aug 2011 19:49:32 +0300	[thread overview]
Message-ID: <4E41651C.7050709@redhat.com> (raw)
In-Reply-To: <4E41646C.1070500@suse.de>

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@suse.de>
>>> + *    Paul Mackerras<paulus@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.

-- 
error compiling committee.c: too many arguments to function

  reply	other threads:[~2011-08-09 16:49 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-09 16:31 [PATCH 00/10] PAPR virtualization on PR KVM Alexander Graf
2011-08-09 16:31 ` [PATCH 01/10] KVM: PPC: move compute_tlbie_rb to book3s common header Alexander Graf
2011-11-08 17:08   ` [PATCH] KVM: PPC: move compute_tlbie_rb to book3s_64 " Andreas Schwab
2011-11-11 16:03     ` Alexander Graf
2011-08-09 16:31 ` [PATCH 02/10] KVM: PPC: Add papr_enabled flag Alexander Graf
2011-08-09 16:31 ` [PATCH 03/10] KVM: PPC: Check privilege level on SPRs Alexander Graf
2011-08-09 16:31 ` [PATCH 04/10] KVM: PPC: Interpret SDR1 as HVA in PAPR mode Alexander Graf
2011-08-09 16:31 ` [PATCH 05/10] KVM: PPC: Read out syscall instruction on trap Alexander Graf
2011-08-09 16:31 ` [PATCH 06/10] KVM: PPC: Add support for explicit HIOR setting Alexander Graf
2011-08-09 16:31 ` [PATCH 07/10] KVM: PPC: Add PAPR hypercall code for PR mode Alexander Graf
2011-08-09 16:40   ` Avi Kivity
2011-08-09 16:46     ` Alexander Graf
2011-08-09 16:49       ` Avi Kivity [this message]
2011-08-09 16:51         ` Alexander Graf
2011-08-09 17:01           ` Avi Kivity
2011-08-09 22:02             ` Benjamin Herrenschmidt
2011-08-12  3:35   ` David Gibson
2011-08-12  5:38     ` Alexander Graf
2011-08-12  7:43       ` David Gibson
2011-08-12  8:09         ` Alexander Graf
2011-08-09 16:31 ` [PATCH 08/10] KVM: PPC: Stub emulate CFAR and PURR SPRs Alexander Graf
2011-08-09 16:31 ` [PATCH 09/10] KVM: PPC: Support SC1 hypercalls for PAPR in PR mode Alexander Graf
2011-08-12  3:33   ` David Gibson
2011-08-12  5:35     ` Alexander Graf
2011-08-12  7:43       ` David Gibson
2011-08-12  8:07         ` Alexander Graf
2011-11-08 17:17   ` [PATCH] KVM: PPC: protect use of kvmppc_h_pr Andreas Schwab
2011-11-11 16:03     ` Alexander Graf
2011-08-09 16:31 ` [PATCH 10/10] KVM: PPC: Enable the PAPR CAP for Book3S Alexander Graf
2011-08-10  4:42   ` Paul Mackerras
2011-08-10  7:59     ` Alexander Graf
2011-08-10 12:26       ` Paul Mackerras
2011-08-10 12:29         ` Alexander Graf
2011-08-09 16:42 ` [PATCH 00/10] PAPR virtualization on PR KVM Avi Kivity
2011-08-09 16:49   ` Alexander Graf
2011-08-10 12:31 ` [PATCH 11/10] KVM: PPC: Add sanity checking to vcpu_run Alexander Graf

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