[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20190813124708.GC12475@kroah.com>
Date: Tue, 13 Aug 2019 14:47:08 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Matthias Maennich <maennich@...gle.com>
Cc: linux-kernel@...r.kernel.org, maco@...roid.com,
kernel-team@...roid.com, arnd@...db.de, geert@...ux-m68k.org,
hpa@...or.com, jeyu@...nel.org, joel@...lfernandes.org,
kstewart@...uxfoundation.org, linux-arch@...r.kernel.org,
linux-kbuild@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
linux-modules@...r.kernel.org, linux-scsi@...r.kernel.org,
linux-usb@...r.kernel.org, lucas.de.marchi@...il.com,
maco@...gle.com, michal.lkml@...kovi.net, mingo@...hat.com,
oneukum@...e.com, pombredanne@...b.com, sam@...nborg.org,
sboyd@...eaurora.org, sspatil@...gle.com,
stern@...land.harvard.edu, tglx@...utronix.de,
usb-storage@...ts.one-eyed-alien.net, x86@...nel.org,
yamada.masahiro@...ionext.com
Subject: Re: [PATCH v2 10/10] RFC: usb-storage: export symbols in USB_STORAGE
namespace
On Tue, Aug 13, 2019 at 01:17:07PM +0100, Matthias Maennich wrote:
> Modules using these symbols are required to explicitly import the
> namespace. This patch was generated with the following steps and serves
> as a reference to use the symbol namespace feature:
>
> 1) Define DDEFAULT_SYMBOL_NAMESPACE in the corresponding Makefile
> 2) make (see warnings during modpost about missing imports)
> 3) make nsdeps
>
> Instead of a DEFAULT_SYMBOL_NAMESPACE definition, the EXPORT_SYMBOL_NS
> variants can be used to explicitly specify the namespace. The advantage
> of the method used here is that newly added symbols are automatically
> exported and existing ones are exported without touching their
> respective EXPORT_SYMBOL macro expansion.
Ok, I can't read text, this answers my previous question.
But, as an example, shouldn't we also have some code here that uses the
EXPORT_SYMBOL_NS() macro to ensure that it actually works?
thanks,
greg k-h
Powered by blists - more mailing lists