linux-kernel - Re: [PATCH v3] ima: add a knob ima= to allow disabling IMA in kdump kernel

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Message-ID: <aFEmj7ZuuMgOplZK@MiWiFi-R3L-srv>
Date: Tue, 17 Jun 2025 16:25:51 +0800
From: Baoquan He <bhe@...hat.com>
To: Mimi Zohar <zohar@...ux.ibm.com>
Cc: linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
	coxu@...hat.com, piliu@...hat.com, pmenzel@...gen.mpg.de,
	chenste@...ux.microsoft.com, kexec@...ts.infradead.org
Subject: Re: [PATCH v3] ima: add a knob ima= to allow disabling IMA in kdump
 kernel

On 06/16/25 at 10:04am, Mimi Zohar wrote:
> On Sat, 2025-06-14 at 10:23 +0800, Baoquan He wrote:
> > Kdump kernel doesn't need IMA functionality, and enabling IMA will cost
> > extra memory. It would be very helpful to allow IMA to be disabled for
> > kdump kernel.
> > 
> > Hence add a knob ima=on|off here to allow turning IMA off in kdump
> > kernel if needed.
> > 
> > Note that this IMA disabling is limited to kdump kernel, please don't
> > abuse it in other kernel and thus serious consequences are caused.
> > 
> > Signed-off-by: Baoquan He <bhe@...hat.com>
> > ---
> > v2->v3:
> > - Remove rdundant word 'only' and rephrase sentences in patch log code
> >   comment, and rephrase patch subject, thanks to Mimi's comments.
> 
> Thanks, Baoquan.  The patch is now queued.

Thanks a lot for your patience, careful reviewing and great suggestions.