From: Joe Perches <joe@perches.com>
To: Julia Lawall <julia.lawall@lip6.fr>
Cc: Dan Williams <dan.j.williams@intel.com>,
Bhumika Goyal <bhumirks@gmail.com>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@ml01.01.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] nvdimm: constify device_type structures
Date: Wed, 25 Jan 2017 08:01:57 -0800 [thread overview]
Message-ID: <1485360117.12563.85.camel@perches.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1701250745340.2011@hadrien>
On Wed, 2017-01-25 at 07:49 +0100, Julia Lawall wrote:
> What does the data column actually represent? I tried size on the .o file
> generated from:
>
> commit a65f0161f4d69d6738d4821e649448312cd818e2
> Author: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Tue Jan 17 15:22:28 2017 +1100
>
> with CONFIG_X86_64=y and I get:
>
> text data bss dec hex filename
> 19726 3480 16 23222 5ab6 drivers/nvdimm/namespace_devs.o
>
> but when I run objdump -sh drivers/nvdimm/namespace_devs.o, I find a .data
> segment of size 1008 and a .data.unlikely segment of size 8, which don't
> match up with the results of size.
Likely you have dynamic_debug enabled and you
need to include these additional sections:
__jump_table
__verbose
If user_mode_linux is enabled, add sections:
.fini_array
.init_array
next prev parent reply other threads:[~2017-01-25 16:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-24 19:24 [PATCH] nvdimm: constify device_type structures Bhumika Goyal
2017-01-24 19:58 ` Dan Williams
2017-01-25 2:37 ` Joe Perches
2017-01-25 2:40 ` Dan Williams
2017-01-25 2:49 ` Joe Perches
2017-01-25 6:49 ` Julia Lawall
2017-01-25 16:01 ` Joe Perches [this message]
2017-01-25 16:04 ` Julia Lawall
2017-01-25 16:16 ` Bhumika Goyal
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