Re: [RFC Part1 PATCH v3 09/17] resource: Consolidate resource walking code

[Borislav Petkov]

On Mon, Jul 24, 2017 at 02:07:49PM -0500, Brijesh Singh wrote:
> From: Tom Lendacky <thomas.lendacky@xxxxxxx>
> 
> The walk_iomem_res_desc(), walk_system_ram_res() and walk_system_ram_range()
> functions each have much of the same code.  Create a new function that
> consolidates the common code from these functions in one place to reduce
> the amount of duplicated code.
> 
> Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
> Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx>
> ---
>  kernel/resource.c | 53 ++++++++++++++++++++++++++---------------------------
>  1 file changed, 26 insertions(+), 27 deletions(-)
> 
> diff --git a/kernel/resource.c b/kernel/resource.c
> index 9b5f044..7b20b3e 100644
> --- a/kernel/resource.c
> +++ b/kernel/resource.c
> @@ -397,9 +397,30 @@ static int find_next_iomem_res(struct resource *res, unsigned long desc,
>  		res->start = p->start;
>  	if (res->end > p->end)
>  		res->end = p->end;
> +	res->desc = p->desc;
>  	return 0;

I must be going blind: where are we using that res->desc?

> +static int __walk_iomem_res_desc(struct resource *res, unsigned long desc,
> +				 bool first_level_children_only,

Btw, that variable name is insanely long.

The rest looks ok to me, thanks for the cleanup!

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix ImendÃrffer, Jane Smithard, Graham Norton, HRB 21284 (AG NÃrnberg)
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