linux-kernel - Re: [PATCH v2 2/3] x86_64,vsyscall: Rewrite comment and clean up headers in vsyscall code

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Message-ID: <CALCETrVHdk2izoGonfjPU5dTVcvAtycyia088FHMedDA4t-WAQ@mail.gmail.com>
Date:	Mon, 3 Nov 2014 12:34:17 -0800
From:	Andy Lutomirski <luto@...capital.net>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	X86 ML <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Josh Triplett <josh@...htriplett.org>,
	Ingo Molnar <mingo@...nel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: [PATCH v2 2/3] x86_64,vsyscall: Rewrite comment and clean up
 headers in vsyscall code

On Mon, Nov 3, 2014 at 12:31 PM, Thomas Gleixner <tglx@...utronix.de> wrote:
> On Wed, 29 Oct 2014, Andy Lutomirski wrote:
>
>> vsyscall_64.c is just vsyscall emulation.  Tidy it up accordingly.
>>
>> If my comment editing offends anyone, let me know and I can fix it.
>>
>> Reviewed-by: Josh Triplett <josh@...htriplett.org>
>> Signed-off-by: Andy Lutomirski <luto@...capital.net>
>> ---
>>  arch/x86/kernel/vsyscall_64.c | 51 +++++++++++++++----------------------------
>>  1 file changed, 18 insertions(+), 33 deletions(-)
>>
>> diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
>> index 2d912629c96e..ee622f8183f3 100644
>> --- a/arch/x86/kernel/vsyscall_64.c
>> +++ b/arch/x86/kernel/vsyscall_64.c
>> @@ -1,52 +1,37 @@
>>  /*
>> - *  Copyright (C) 2001 Andrea Arcangeli <andrea@...e.de> SuSE
>> - *  Copyright 2003 Andi Kleen, SuSE Labs.
>> + * Mostly copyright (c) 2012-2014 Andy Lutomirski <luto@...capital.net>
>
> We usualy leave the old copyright notices around even if the code
> which is related to them has been removed more or less completely.
>
> So I change this to:
>
> /*
>  * Copyright (c) 2012-2014 Andy Lutomirski <luto@...capital.net>
>  *
>  * Based on the original implementation:
>  *  Copyright (C) 2001 Andrea Arcangeli <andrea@...e.de> SuSE
>  *  Copyright 2003 Andi Kleen, SuSE Labs.
>
> and apply the whole lot.

Would it make more sense to move those copyright notices to
arch/x86/vdso/vma.c?  That's where most of the code ended up.

--Andy
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