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Message-ID: <20160419065657.GD2471@pengutronix.de> Date: Tue, 19 Apr 2016 08:56:57 +0200 From: Michael Grzeschik <mgr@...gutronix.de> To: Julia Lawall <Julia.Lawall@...6.fr> Cc: kernel-janitors@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, "Luis R . Rodriguez" <mcgrof@...nel.org>, Josh Triplett <josh@...htriplett.org> Subject: Re: [PATCH 2/5] arcnet: com90xx: add __init attribute On Mon, Apr 18, 2016 at 04:55:35PM +0200, Julia Lawall wrote: > Add __init attribute on a function that is only called from other __init > functions and that is not inlined, at least with gcc version 4.8.4 on an > x86 machine with allyesconfig. Currently, the function is put in the > .text.unlikely segment. Declaring it as __init will cause it to be put in > the .init.text and to disappear after initialization. > > The result of objdump -x on the function before the change is as follows: > > 0000000000000000 l F .text.unlikely 00000000000000bf check_mirror > > And after the change it is as follows: > > 0000000000000000 l F .init.text 00000000000000ba check_mirror > > Done with the help of Coccinelle. The semantic patch checks for local > static non-init functions that are called from an __init function and are > not called from any other function. > > Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr> > Acked-by: Michael Grzeschik <mgr@...gutronix.de> > --- > drivers/net/arcnet/com90xx.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/arcnet/com90xx.c b/drivers/net/arcnet/com90xx.c > index 0d9b45f..81f90c4 100644 > --- a/drivers/net/arcnet/com90xx.c > +++ b/drivers/net/arcnet/com90xx.c > @@ -433,7 +433,7 @@ static void __init com90xx_probe(void) > kfree(iomem); > } > > -static int check_mirror(unsigned long addr, size_t size) > +static int __init check_mirror(unsigned long addr, size_t size) > { > void __iomem *p; > int res = -1; > > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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