linux-kernel - Re: [PATCH] iommufd: Initialize batch->kind field in pfn

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Message-Id: <20260126080506.83112-1-fushuai.wang@linux.dev>
Date: Mon, 26 Jan 2026 16:05:06 +0800
From: Fushuai Wang <fushuai.wang@...ux.dev>
To: kevin.tian@...el.com
Cc: fushuai.wang@...ux.dev,
	iommu@...ts.linux.dev,
	jgg@...pe.ca,
	joro@...tes.org,
	linux-kernel@...r.kernel.org,
	nicolinc@...dia.com,
	robin.murphy@....com,
	syzbot+a0c841e02f328005bbcc@...kaller.appspotmail.com,
	wangfushuai@...du.com,
	will@...nel.org
Subject: Re: [PATCH] iommufd: Initialize batch->kind field in pfn_batch

> this is incorrect. 'carry' means a portion of previous batch was handed
> over to the new batch, and it already initializes the array with a valid
> item#0. So the old 'kind' type should be kept.

Yes, you are right.

> From this angle Deepanshu's patch [1] is correct.

I was not aware of Deepanshu's patch before, please ignore my patch.

---
Regards,
WANG