linux-kernel - Re: [PATCH v2 0/2] support to read and tune appraise mode in runtime

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Message-ID: <f892b420-315c-72aa-82d6-1a6a17b99b3a@linux.alibaba.com>
Date:   Mon, 13 Apr 2020 10:23:35 +0800
From:   Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
To:     Nayna <nayna@...ux.vnet.ibm.com>, zhang.jia@...ux.alibaba.com
Cc:     zohar@...ux.ibm.com, dmitry.kasatkin@...il.com, jmorris@...ei.org,
        serge@...lyn.com, zhangliguang@...ux.alibaba.com,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] support to read and tune appraise mode in runtime



On 2020/4/12 5:43, Nayna wrote:
> 
> On 4/9/20 6:34 AM, Tianjia Zhang wrote:
>> Support the read and write operations of ima_appraise by adding a
>> securifyfs file 'appraise_mode'.
>>
>> In order to tune appraise mode in runtime, writing a PKCS#7 signature
> 
> I am curious to know why would you tune appraise mode in runtime ?
> 
> Thanks & Regards,
> 
>        - Nayna

Mainly used for emergency shutdown under some abnormal conditions.

Thanks,
Tianjia