Re: [PATCH] drivers/base/core.c: always output device renaming messages.

From: Ethan Zhao
Date: Sat Oct 12 2013 - 21:35:37 EST


On Sun, Oct 13, 2013 at 1:50 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Sat, Oct 12, 2013 at 02:52:51PM +0800, Ethan Zhao wrote:
>> >> --- a/drivers/base/core.c
>> >> +++ b/drivers/base/core.c
>> >> @@ -1904,8 +1904,7 @@ int device_rename(struct device *dev, const char *new_name)
>> >> if (!dev)
>> >> return -EINVAL;
>> >>
>> >> - pr_debug("device: '%s': %s: renaming to '%s'\n", dev_name(dev),
>> >> - __func__, new_name);
>> >> + dev_info(dev, "'%s' renaming to '%s'\n", dev_name(dev), new_name);
>> >
>> > How about:
>> > dev_dbg(dev, "renaming to '%s'\n", new_name);
>>
>> If something confusing or wrong, need to take a look.
>> For pr_debug(), We have to build and load a debug kernel…
>> For dev_dbg(), We have to rebuild a kernel with CONFIG_DYNAMIC_DEBUG
>> set to 'y', that is default 'n'.
>
> Why would you not enable that option these days? All distros enable it,
> and if you should too :)
>
Okey, let them enable it in the Linux distribution.

Thanks,
Ethan

>> So, do you mean
>>
>> dev_printk(KERN_DEBUG, dev, "renaming to '%s'\n", new_name); ?
>
> No, dev_dbg();.
>
> thanks,
>
> greg k-h
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