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SubjectRe: [RFC Part1 PATCH v3 09/17] resource: Consolidate resource walking code
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On 7/28/2017 10:23 AM, Borislav Petkov wrote:
> On Mon, Jul 24, 2017 at 02:07:49PM -0500, Brijesh Singh wrote:
>> From: Tom Lendacky <thomas.lendacky@amd.com>
>>
>> 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@amd.com>
>> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
>> ---
>> 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?

I think that was left-over from the initial consolidation work I was
doing. I'll remove it.

>
>> +static int __walk_iomem_res_desc(struct resource *res, unsigned long desc,
>> + bool first_level_children_only,
>
> Btw, that variable name is insanely long.

I know, but I'm maintaining consistency with the name that was already
present vs. changing it.

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

Thanks,
Tom

>

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