linux-kernel - Re: [PATCH] efi: Avoid sysfs spew on reboot and panic

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Message-ID: <4E7A9BC6.9070608@linux.intel.com>
Date:	Thu, 22 Sep 2011 10:21:58 +0800
From:	Chen Gong <gong.chen@...ux.intel.com>
To:	Matthew Garrett <mjg@...hat.com>
CC:	tony.luck@...el.com, linux-kernel@...r.kernel.org,
	mikew@...gle.com, saguchi@...hat.com
Subject: Re: [PATCH] efi: Avoid sysfs spew on reboot and panic

于 2011/9/21 20:40, Matthew Garrett 写道:
> On Wed, Sep 21, 2011 at 11:31:40AM +0800, Chen Gong wrote:
>>>   	mutex_lock(&psinfo->buf_mutex);
>>>   	memcpy(psinfo->buf, buf, size);
>>> -	id = psinfo->write(type, 0, size, psinfo);
>>> +	id = psinfo->write(type, 0, KMSG_DUMP_UNKNOWN, size, psinfo);
>>
>> I can't say it is wrong because no real caller for this function, but I can't
>> say it is right, yet. KMSG_DUMP_UNKNOWN here looks too arbirary. Do you have
>> any reason to use this type here ?
>
> If a function calls pstore_write() directly then we have no type to
> associate with it. It seems worth making this explicit.
>

Yep, that's the point. We hope to get a more reasonable method to do it, not
any assumption.
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