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

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Message-ID: <ca82fa443365217535aedacbcdf823370f387995.camel@linux.ibm.com>
Date: Mon, 16 Jun 2025 10:04:41 -0400
From: Mimi Zohar <zohar@...ux.ibm.com>
To: Baoquan He <bhe@...hat.com>, linux-integrity@...r.kernel.org
Cc: 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 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.

Mimi