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From: Peter Zijlstra <peterz@infradead.org>
To: Changbin Du <changbin.du@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	Ingo Molnar <mingo@redhat.com>, Jonathan Corbet <corbet@lwn.net>,
	Jessica Yu <jeyu@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	x86@kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
	linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-arch@vger.kernel.org, linux-kbuild@vger.kernel.org
Subject: Re: [PATCH 03/11] asm-generic: add generic dwarf definition
Date: Mon, 26 Aug 2019 09:42:15 +0200
Message-ID: <20190826074215.GL2369@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20190825132330.5015-4-changbin.du@gmail.com>

On Sun, Aug 25, 2019 at 09:23:22PM +0800, Changbin Du wrote:
> Add generic DWARF constant definitions. We will use it later.
> 
> Signed-off-by: Changbin Du <changbin.du@gmail.com>
> ---
>  include/asm-generic/dwarf.h | 199 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 199 insertions(+)
>  create mode 100644 include/asm-generic/dwarf.h
> 
> diff --git a/include/asm-generic/dwarf.h b/include/asm-generic/dwarf.h
> new file mode 100644
> index 000000000000..c705633c2a8f
> --- /dev/null
> +++ b/include/asm-generic/dwarf.h
> @@ -0,0 +1,199 @@
> +/* SPDX-License-Identifier: GPL-2.0
> + *
> + * Architecture independent definitions of DWARF.
> + *
> + * Copyright (C) 2019 Changbin Du <changbin.du@gmail.com>

You're claiming copyright on dwarf definitions? ;-)

I'm thinking only Oracle was daft enough to think stuff like that was
copyrightable.

Also; I think it would be very good to not use/depend on DWARF for this.

You really don't need all of DWARF; I'm thikning you only need a few
types; for location we already have regs_get_kernel_argument() which
has all the logic to find the n-th argument.


  reply index

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-25 13:23 [PATCH 00/11] ftrace: add support for recording function parameters and return value Changbin Du
2019-08-25 13:23 ` [PATCH 01/11] ftrace: move recordmcount tools to scripts/ftrace Changbin Du
2019-08-26 22:44   ` Steven Rostedt
2019-08-28 23:41     ` Changbin Du
2019-08-25 13:23 ` [PATCH 02/11] ftrace: introduce new building tool funcprototype Changbin Du
2019-08-25 13:23 ` [PATCH 03/11] asm-generic: add generic dwarf definition Changbin Du
2019-08-26  7:42   ` Peter Zijlstra [this message]
2019-08-26 22:25     ` Changbin Du
2019-08-25 13:23 ` [PATCH 04/11] ftrace/hash: add private data field Changbin Du
2019-08-25 13:23 ` [PATCH 05/11] ftrace: create memcache for hash entries Changbin Du
2019-08-26  7:44   ` Peter Zijlstra
2019-08-26 22:35     ` Changbin Du
2019-08-25 13:23 ` [PATCH 06/11] ftrace: process function prototype data in vmlinux and modules Changbin Du
2019-08-25 13:23 ` [PATCH 07/11] ftrace: prepare arch specific interfaces for function prototype feature Changbin Du
2019-08-25 13:23 ` [PATCH 08/11] ftrace: introduce core part of function prototype recording Changbin Du
2019-08-25 13:23 ` [PATCH 09/11] x86_64: add function prototype recording support Changbin Du
2019-08-25 13:23 ` [PATCH 10/11] ftrace: add doc for new option record-funcproto Changbin Du
2019-08-25 13:23 ` [PATCH 11/11] MAINTAINERS: make scripts/ftrace/ maintained Changbin Du

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