linux-kernel - Re: [PATCH 11/12] iommufd: Remove unnecessary IOMMU_DEV_FEAT

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Message-ID: <Z67rghQyQrjb5sT1@Asurada-Nvidia>
Date: Thu, 13 Feb 2025 23:06:42 -0800
From: Nicolin Chen <nicolinc@...dia.com>
To: Lu Baolu <baolu.lu@...ux.intel.com>
CC: Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>, "Robin
 Murphy" <robin.murphy@....com>, Jason Gunthorpe <jgg@...pe.ca>, Kevin Tian
	<kevin.tian@...el.com>, Fenghua Yu <fenghua.yu@...el.com>, Dave Jiang
	<dave.jiang@...el.com>, Vinod Koul <vkoul@...nel.org>, Zhangfei Gao
	<zhangfei.gao@...aro.org>, Zhou Wang <wangzhou1@...ilicon.com>,
	<iommu@...ts.linux.dev>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 11/12] iommufd: Remove unnecessary IOMMU_DEV_FEAT_IOPF

On Fri, Feb 14, 2025 at 02:11:03PM +0800, Lu Baolu wrote:
> The iopf enablement has been moved to the iommu drivers. It is unnecessary
> for iommufd to handle iopf enablement. Remove the iopf enablement logic to
> avoid duplication.
> 
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
> ---
>  drivers/iommu/iommufd/device.c          |   1 -
>  drivers/iommu/iommufd/fault.c           | 111 ++++++------------------
>  drivers/iommu/iommufd/iommufd_private.h |   3 -
>  3 files changed, 28 insertions(+), 87 deletions(-)

This is in conflict with my fault patches that Jason just took
a couple days ago:
https://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd.git/log/?h=for-next

I think it needs a rebase, perhaps on the branch mentioned here:
https://lore.kernel.org/linux-iommu/20250213150836.GC3754072@nvidia.com/

Thanks
Nicolin