linux-kernel - Re: [PATCH v3 01/51] PCI: Cleanup res_to_dev

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Message-ID: <CAE9FiQVz1zLTSKX6=LfRxRTTU0VmOzY4DDbn18_ABFsmaTAcHg@mail.gmail.com>
Date:	Tue, 18 Aug 2015 14:19:18 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	David Miller <davem@...emloft.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Wei Yang <weiyang@...ux.vnet.ibm.com>, TJ <linux@....tj>,
	Yijing Wang <wangyijing@...wei.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 01/51] PCI: Cleanup res_to_dev_res() printout for addon resources

On Mon, Aug 17, 2015 at 3:50 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
> On Mon, Jul 27, 2015 at 04:29:19PM -0700, Yinghai Lu wrote:
>> Now get_res_add_size and get_res_add_align all have same printout
>> from res_to_dev_res(), and it is confusing.
>>
>> Move out debug messages printout from res_to_dev_res(),
>> and later we will reuse res_to_dev_res() in other functions.
>>
>> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
>> ---
>>  drivers/pci/setup-bus.c | 34 ++++++++++++++++++++--------------
>>  1 file changed, 20 insertions(+), 14 deletions(-)
>>
>> diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
>> index 508cc56..f0fa705 100644
>> --- a/drivers/pci/setup-bus.c
>> +++ b/drivers/pci/setup-bus.c
>> @@ -104,19 +104,9 @@ static struct pci_dev_resource *res_to_dev_res(struct list_head *head,
>>  {
>>       struct pci_dev_resource *dev_res;
>>
>> -     list_for_each_entry(dev_res, head, list) {
>> -             if (dev_res->res == res) {
>> -                     int idx = res - &dev_res->dev->resource[0];
>> -
>> -                     dev_printk(KERN_DEBUG, &dev_res->dev->dev,
>> -                              "res[%d]=%pR res_to_dev_res add_size %llx min_align %llx\n",
>> -                              idx, dev_res->res,
>> -                              (unsigned long long)dev_res->add_size,
>> -                              (unsigned long long)dev_res->min_align);
>> -...

>> +
>> +     dev_printk(KERN_DEBUG, &dev_res->dev->dev,
>> +                "BAR %d: %pR get_res_add_align min_align %llx\n",
>> +                (int)(res - &dev_res->dev->resource[0]),
>> +                res, (unsigned long long)dev_res->min_align);
>
> Please use %#llx so we have a "0x" prefix like other hex numbers.
>

ok.
Later i'd like to just kill those debug printout if all get settled
after this patchset.
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