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From: Mimi Zohar <zohar@linux.ibm.com>
To: Coiby Xu <coxu@redhat.com>, RuiRui Yang <ruyang@redhat.com>
Cc: Baoquan He <bhe@redhat.com>,
	linux-integrity@vger.kernel.org, kexec@lists.infradead.org
Subject: Re: [RFC PATCH] ima: add a knob to make IMA be able to be disabled
Date: Wed, 02 Apr 2025 07:25:14 -0400	[thread overview]
Message-ID: <2c53cffcae9b05783dbb6c95d3f1255e2757d596.camel@linux.ibm.com> (raw)
In-Reply-To: <h3bjnvtded2hgbhya6ugb62mnlmkjpmifa6w6wwutfd3jq326r@lzpoun5pksev>

On Wed, 2025-04-02 at 16:43 +0800, Coiby Xu wrote:
> > Coiby, would disabling just IMA-measurement, as opposed to IMA-appraisal, save
> > sufficient memory for kdump?
> 
> For disabling just IMA-measurement, do you mean not enabling any measure
> rules?  The more memory reserved for the kdump kernel, the less memory
> can be used by the 1st kernel. So from the perfective of kdump, we try
> to make the memory footprint as smaller as possible.

Yes, not enabling any "measure" rules and not restoring the kexec measurement
list.

  reply	other threads:[~2025-04-02 11:25 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-31  6:16 [RFC PATCH] ima: add a knob to make IMA be able to be disabled Baoquan He
2025-03-31  6:22 ` Paul Menzel
2025-03-31  8:21   ` Baoquan He
2025-03-31 12:15 ` Mimi Zohar
2025-04-02  1:38   ` Coiby Xu
2025-04-02  1:47     ` RuiRui Yang
2025-04-02  3:30       ` Mimi Zohar
2025-04-02  8:43         ` Coiby Xu
2025-04-02 11:25           ` Mimi Zohar [this message]
2025-04-02 11:49           ` Baoquan He
2025-04-03 20:03             ` Mimi Zohar
2025-04-07  1:34               ` Baoquan He
2025-04-07 11:46                 ` Mimi Zohar
2025-04-09  2:42                   ` Baoquan He
2025-04-09 15:40                     ` Mimi Zohar
2025-04-16  3:22                       ` Baoquan He
2025-04-28  3:48                         ` Coiby Xu
2025-04-29 11:39                           ` Mimi Zohar
2025-05-09  5:59                             ` Coiby Xu
2025-05-09 13:03                               ` Mimi Zohar
2025-05-13  0:14                                 ` Coiby Xu
2025-05-13  3:55                                   ` Gao Xiang

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