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

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Message-ID: <4ee09fd2-92c6-4295-88ca-1cc061135417@linux.intel.com>
Date: Sat, 15 Feb 2025 14:32:32 +0800
From: Baolu Lu <baolu.lu@...ux.intel.com>
To: Nicolin Chen <nicolinc@...dia.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 2/14/25 15:06, Nicolin Chen wrote:
> 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/

Yes, sure. I will rebase it in the next version to avoid the conflict.

Thanks,
baolu