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Date:   Tue, 8 Jan 2019 07:53:56 -0500
From:   YU Bo <tsu.yubo@gmail.com>
To:     "Rafael J. Wysocki" <rafael@kernel.org>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Joe Perches <joe@perches.com>, yuzibode@126.com
Subject: Re: [PATCH v4 1/2] kobject: use pr_warn to replace printk
Message-ID: <20190108125355.yc7ryyl34s2me4z7@yubo-2>
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        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Joe Perches <joe@perches.com>, yuzibode@126.com
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Hi,
On Tue, Jan 08, 2019 at 10:39:57AM +0100, Rafael J. Wysocki wrote:
>On Tue, Jan 8, 2019 at 4:11 AM Bo YU <tsu.yubo@gmail.com> wrote:
>>
>> This is a fix to replace printk with pr_warn
>
>You call it a "fix", but what exactly is wrong with the code as is?
Is there any differentions between pr_* and printk?
If they were the same with functionial, i think it  would be better
to use pr_* to replace printk.There are two lines code with printk only
and others are pr_* in kobject_uevent.c.
In fact,as you know, the code is fine.I just want to keep consistency with
looks like
Thanks
>
>> Signed-off-by: Bo YU <tsu.yubo@gmail.com>
>> ---
>>  lib/kobject_uevent.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
>> index 27c6118afd1c..499dfcdafcb0 100644
>> --- a/lib/kobject_uevent.c
>> +++ b/lib/kobject_uevent.c
>> @@ -224,7 +224,7 @@ int kobject_synth_uevent(struct kobject *kobj, const char *buf, size_t count)
>>  out:
>>         if (r) {
>>                 devpath = kobject_get_path(kobj, GFP_KERNEL);
>> -               printk(KERN_WARNING "synth uevent: %s: %s",
>> +               pr_warn("synth uevent: %s: %s",
>>                        devpath ?: "unknown device",
>>                        msg ?: "failed to send uevent");
>>                 kfree(devpath);
>> --
>> 2.11.0
>>