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: <CALCETrU_jrEjhGw8QjzEnyfBD8=A8Mh1fYQhEhbmEJbBLqKAhw@mail.gmail.com>
Date:	Mon, 3 Nov 2014 12:42:27 -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 12:41 PM, Thomas Gleixner <tglx@...utronix.de> wrote:
> On Mon, 3 Nov 2014, Andy Lutomirski wrote:
>> 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.
>
> That has already a notice from Andi and I cant figure out what parts
> of that have been written by Andrea. We'll worry about that when we
> remove vsyscall_64.c. Until then the git history will be our friend.

Works for me.

--Andy
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