linux-kernel - Re: [PATCH 09/12] dmaengine: idxd: Remove unnecessary IOMMU_DEV_FEAT

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Message-ID: <20250220010325.GR3696814@ziepe.ca>
Date: Wed, 19 Feb 2025 21:03:25 -0400
From: Jason Gunthorpe <jgg@...pe.ca>
To: Lu Baolu <baolu.lu@...ux.intel.com>
Cc: Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
	Robin Murphy <robin.murphy@....com>,
	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 09/12] dmaengine: idxd: Remove unnecessary
 IOMMU_DEV_FEAT_IOPF

On Fri, Feb 14, 2025 at 02:11:01PM +0800, Lu Baolu wrote:
> The IOMMU_DEV_FEAT_IOPF implementation in the iommu driver is just a no-op.
> It will also be removed from the iommu driver in the subsequent patch.
> Remove it to avoid dead code.
> 
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
> ---
>  drivers/dma/idxd/init.c | 37 ++++++-------------------------------
>  1 file changed, 6 insertions(+), 31 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason