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SubjectRe: [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@lip6.fr>
>

Acked-by: Michael Grzeschik <mgr@pengutronix.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;
>
>

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