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Date: Tue, 10 Jan 2017 13:40:35 +0100
From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Artem Bityutskiy <dedekind1@gmail.com>, linux-mtd@lists.infradead.org,
 Brian Norris <computersforpeace@gmail.com>, Richard Weinberger
 <richard@nod.at>
Subject: Re: [PATCH v1 1/1] UBI: Fix section mismatch
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On Tue, 10 Jan 2017 13:45:11 +0200
Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:

> On Tue, 2017-01-10 at 09:37 +0100, Boris Brezillon wrote:
> > On Mon, 09 Jan 2017 21:34:26 +0200
> > Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:
> >  =20
> > > On Mon, 2017-01-09 at 20:10 +0200, Andy Shevchenko wrote: =20
> > > > WARNING: vmlinux.o(.text+0x1f2a80): Section mismatch in reference
> > > > from
> > > > the variable __param_ops_mtd to the function
> > > > .init.text:ubi_mtd_param_parse()
> > > > The function __param_ops_mtd() references
> > > > the function __init ubi_mtd_param_parse().
> > > > This is often because __param_ops_mtd lacks a __init
> > > > annotation or the annotation of ubi_mtd_param_parse is wrong.=C2=A0=
=C2=A0 =20
> > >=20
> > > Please, discard this. It fixes one and add another. =20
> >=20
> > Just remove the __initdata specifiers on mtd_devs and mtd_dev_param
> > and
> > you should be fine. =20
>=20
> Yes, I already have this patch.
>=20
> But I decided to talk to Artem and just talked.
>=20
> We thought about comment to explain what is going on there and why
> section mismatch is false positive, though a bit error prone (since you
> have to keep in mind 0000 permissions).
>=20
> So, one solution here is to unmark them and, what I would add, change
> permissions to read-only.
>=20
> If you are okay with this I will send series.

Sounds good.

>=20
> >  =20
> > >  =20
> > > >=20
> > > > Cc: Richard Weinberger <richard@nod.at>
> > > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > > > ---
> > > > =C2=A0drivers/mtd/ubi/build.c | 2 +-
> > > > =C2=A01 file changed, 1 insertion(+), 1 deletion(-)
> > > >=20
> > > > diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
> > > > index 85d54f37e28f..00a46ff61528 100644
> > > > --- a/drivers/mtd/ubi/build.c
> > > > +++ b/drivers/mtd/ubi/build.c
> > > > @@ -1389,7 +1389,7 @@ static int __init bytes_str_to_int(const
> > > > char
> > > > *str)
> > > > =C2=A0 * This function returns zero in case of success and a negati=
ve
> > > > error
> > > > code in
> > > > =C2=A0 * case of error.
> > > > =C2=A0 */
> > > > -static int __init ubi_mtd_param_parse(const char *val, struct
> > > > kernel_param *kp)
> > > > +static int ubi_mtd_param_parse(const char *val, struct
> > > > kernel_param
> > > > *kp)
> > > > =C2=A0{
> > > > =C2=A0	int i, len;
> > > > =C2=A0	struct mtd_dev_param *p;=C2=A0=C2=A0 =20
> >=20
> >  =20
>=20