linux-kernel - Re: types: reuse common phys_vec type instead of DMABUF open‑coded variant

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Message-ID: <20260118165453.GB13201@unreal>
Date: Sun, 18 Jan 2026 18:54:53 +0200
From: Leon Romanovsky <leon@...nel.org>
To: Alex Williamson <alex@...zbot.org>
Cc: linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	linaro-mm-sig@...ts.linaro.org, linux-kernel@...r.kernel.org,
	iommu@...ts.linux.dev, kvm@...r.kernel.org,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Christian König <christian.koenig@....com>,
	Jason Gunthorpe <jgg@...pe.ca>, Kevin Tian <kevin.tian@...el.com>,
	Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
	Robin Murphy <robin.murphy@....com>,
	Yishai Hadas <yishaih@...dia.com>,
	Shameer Kolothum <skolothumtho@...dia.com>,
	Ankit Agrawal <ankita@...dia.com>,
	Matthew Wilcox <willy@...radead.org>, Jens Axboe <axboe@...nel.dk>
Subject: Re: types: reuse common phys_vec type instead of DMABUF open‑coded variant

On Fri, Jan 16, 2026 at 10:14:55AM -0700, Alex Williamson wrote:
> On Wed, 14 Jan 2026 14:18:19 +0200
> Leon Romanovsky <leon@...nel.org> wrote:
> 
> > On Wed, Jan 07, 2026 at 11:14:14AM +0200, Leon Romanovsky wrote:
> > > From: Leon Romanovsky <leonro@...dia.com>
> > > 
> > > After commit fcf463b92a08 ("types: move phys_vec definition to common header"),
> > > we can use the shared phys_vec type instead of the DMABUF‑specific
> > > dma_buf_phys_vec, which duplicated the same structure and semantics.
> > > 
> > > Signed-off-by: Leon Romanovsky <leonro@...dia.com>
> > > ---
> > > Alex,
> > > 
> > > According to diffstat, VFIO is the subsystem with the largest set of changes,
> > > so it would be great if you could take it through your tree.
> > > 
> > > The series is based on the for-7.0/blk-pvec shared branch from Jens:
> > > https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git/log/?h=for-7.0/blk-pvec
> > > 
> > > Thanks
> > > ---  
> > 
> > Alex,
> > 
> > Could you please move this patch forward? We have the RDMA series [1] that
> > depends on this rename, and I would like to base it on the shared branch.
> > 
> > [1] https://lore.kernel.org/all/20260108-dmabuf-export-v1-0-6d47d46580d3@nvidia.com/
> 
> I tried to ping Jens regarding why the branch with this code hasn't
> been merged into their for-next branch, maybe you have more traction.

It is in block/for-next now, commit df73d3c618b4 ("Merge branch
'for-7.0/blk-pvec' into for-7.0/block".

Thanks

> Thanks,
> 
> Alex
>