Re: [PATCH] firmware: dmi_scan: Always show system identification string

From: Ard Biesheuvel
Date: Tue Dec 13 2016 - 09:25:12 EST


On 12 December 2016 at 01:51, Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote:
>
>
> On 2016/12/9 22:55, Ard Biesheuvel wrote:
>> On 9 December 2016 at 06:54, Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote:
>>> Let's keep consistent when print dmi_ids_string between SMBIOS 2.x
>>> and SMBIOS 3.x, and always show the system identification string,
>>> like Vendor, Product/Board name and BIOS infos.
>>>
>>
>> Are you saying the printk(KERN_DEBUG) was inconsistent with the
>> pr_debug() before?
>
> Yes, found it when check the boot dmesg on qemu, there is no print using pr_debug
> with defconfig on ARM64( smbios3 present), but could shown with printk(KERN_DEBUG.
>

That's interesting. I would assume pr_debug and printk(KERN_DEBUG) to
behave identically ...

>>
>>
>>> Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
>>> ---
>>> drivers/firmware/dmi_scan.c | 4 ++--
>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
>>> index 88bebe1..54be60e 100644
>>> --- a/drivers/firmware/dmi_scan.c
>>> +++ b/drivers/firmware/dmi_scan.c
>>> @@ -560,7 +560,7 @@ static int __init dmi_present(const u8 *buf)
>>> dmi_ver >> 16, (dmi_ver >> 8) & 0xFF);
>>> }
>>> dmi_format_ids(dmi_ids_string, sizeof(dmi_ids_string));
>>> - printk(KERN_DEBUG "DMI: %s\n", dmi_ids_string);
>>> + pr_info("DMI: %s\n", dmi_ids_string);
>>> return 0;
>>> }
>>> }
>>> @@ -588,7 +588,7 @@ static int __init dmi_smbios3_present(const u8 *buf)
>>> dmi_ver >> 16, (dmi_ver >> 8) & 0xFF,
>>> dmi_ver & 0xFF);
>>> dmi_format_ids(dmi_ids_string, sizeof(dmi_ids_string));
>>> - pr_debug("DMI: %s\n", dmi_ids_string);
>>> + pr_info("DMI: %s\n", dmi_ids_string);
>>> return 0;
>>> }
>>> }
>>> --
>>> 1.7.12.4
>>>
>>
>> .
>>
>