linux-kernel - Re: [PATCH 1/2] amd/iommu: Preserve domain ids inside the kdump kernel

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Message-ID: <20251120125634.GA153257@nvidia.com>
Date: Thu, 20 Nov 2025 08:56:34 -0400
From: Jason Gunthorpe <jgg@...dia.com>
To: Sairaj Kodilkar <sarunkod@....com>
Cc: Vasant Hegde <vasant.hegde@....com>, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org, joro@...tes.org,
	suravee.suthikulpanit@....com, ashish.kalra@....com,
	robin.murphy@....com, will@...nel.org
Subject: Re: [PATCH 1/2] amd/iommu: Preserve domain ids inside the kdump
 kernel

On Thu, Nov 20, 2025 at 10:32:32AM +0530, Sairaj Kodilkar wrote:

> No, its not atomic context. My intension was to ensure that the
> memory allocation succeeds. But I am not sure if it's the most
> appropriate choice for this scenario

This is early boot, it won't fail either way. Use GFP_KERNEL because
it is clearer

Jason