linux-kernel - Re: [PATCHv2 3/8] USB: gadget: __init and _

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Date:	Thu, 29 Apr 2010 16:22:45 -0700
From:	Greg KH <greg@...ah.com>
To:	Michal Nazarewicz <mina86@...a86.com>
Cc:	Michal Nazarewicz <m.nazarewicz@...sung.com>,
	linux-usb@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 3/8] USB: gadget: __init and __exit tags removed

On Thu, Apr 29, 2010 at 04:02:55PM -0700, Michal Nazarewicz wrote:
> Greg KH <greg@...ah.com> writes:
> 
> > On Fri, Apr 09, 2010 at 09:21:20PM +0200, Michal Nazarewicz wrote:
> >> __init, __initdata and __exit tags have have been removed from
> >> various files to make it possible for gadgets that do not use
> >> the __init/__exit tags to use those.
> >> 
> >> Files in question are related to:
> >> * the core composite framework,
> >> * the mass storage function (fixing a section mismatch) and
> >> * ethernet driver (ACM, ECM, RNDIS).
> >> 
> >> Signed-off-by: Michal Nazarewicz <m.nazarewicz@...sung.com>
> >> Cc: Kyungmin Park <kyungmin.park@...sung.com>
> >> Cc: Marek Szyprowski <m.szyprowski@...sung.com>
> >> ---
> >>  drivers/usb/gadget/composite.c      |   21 ++++++++++-----------
> >>  drivers/usb/gadget/config.c         |    4 ++--
> >>  drivers/usb/gadget/epautoconf.c     |   12 ++++++------
> >>  drivers/usb/gadget/f_acm.c          |   32 ++++++++++++++++----------------
> >>  drivers/usb/gadget/f_ecm.c          |   33 +++++++++++++++++----------------
> >>  drivers/usb/gadget/f_mass_storage.c |    2 +-
> >>  drivers/usb/gadget/f_rndis.c        |   34 ++++++++++++++++++----------------
> >>  drivers/usb/gadget/u_ether.c        |    4 ++--
> >>  8 files changed, 72 insertions(+), 70 deletions(-)
> >> 
> >> diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
> >> index 09289bb..ff155ca 100644
> >> --- a/drivers/usb/gadget/composite.c
> >> +++ b/drivers/usb/gadget/composite.c
> >> @@ -85,7 +85,7 @@ MODULE_PARM_DESC(iSerialNumber, "SerialNumber string");
> >>   * This function returns the value of the function's bind(), which is
> >>   * zero for success else a negative errno value.
> >>   */
> >> -int __init usb_add_function(struct usb_configuration *config,
> >> +int __cold usb_add_function(struct usb_configuration *config,
> >
> > What is the "__cold" for?
> 
> __init, among other things implies __cold:
> 
> include/linux/init.h:43: #define __init   __section(.init.text) __cold notrace
> 
> and so I left __cold leaving out __section.

Hm, how about just dropping everything?  I don't think we need the
__cold here then, right?

thanks,

greg k-h
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