From: Christoph Hellwig <hch@lst.de>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org,
linux-block@vger.kernel.org, linux-pci@vger.kernel.org,
linux-mm@kvack.org, "Christoph Hellwig" <hch@lst.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Dan Williams" <dan.j.williams@intel.com>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Christian König" <christian.koenig@amd.com>,
"John Hubbard" <jhubbard@nvidia.com>,
"Don Dutile" <ddutile@redhat.com>,
"Matthew Wilcox" <willy@infradead.org>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>,
"Minturn Dave B" <dave.b.minturn@intel.com>,
"Jason Ekstrand" <jason@jlekstrand.net>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"Xiong Jianxin" <jianxin.xiong@intel.com>,
"Bjorn Helgaas" <helgaas@kernel.org>,
"Ira Weiny" <ira.weiny@intel.com>,
"Robin Murphy" <robin.murphy@arm.com>,
"Martin Oliveira" <martin.oliveira@eideticom.com>,
"Chaitanya Kulkarni" <ckulkarnilinux@gmail.com>,
"Ralph Campbell" <rcampbell@nvidia.com>,
"Stephen Bates" <sbates@raithlin.com>
Subject: Re: [PATCH v9 2/8] iov_iter: introduce iov_iter_get_pages_[alloc_]flags()
Date: Mon, 5 Sep 2022 16:33:51 +0200 [thread overview]
Message-ID: <20220905143351.GA5813@lst.de> (raw)
In-Reply-To: <20220825152425.6296-3-logang@deltatee.com>
On Thu, Aug 25, 2022 at 09:24:19AM -0600, Logan Gunthorpe wrote:
> Add iov_iter_get_pages_flags() and iov_iter_get_pages_alloc_flags()
> which take a flags argument that is passed to get_user_pages_fast().
>
> This is so that FOLL_PCI_P2PDMA can be passed when appropriate.
Any reason why iov_iter_get_pages2 doesn't call iov_iter_get_pages_flags
and same for the __alloc version?
Also with the "main" version now having the 2 postfix, we can just
use the iov_iter_get_pages name for the flags version, and maybe
eventually just convert all users over to it.
next prev parent reply other threads:[~2022-09-05 14:33 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-25 15:24 [PATCH v9 0/8] Userspace P2PDMA with O_DIRECT NVMe devices Logan Gunthorpe
2022-08-25 15:24 ` [PATCH v9 1/8] mm: introduce FOLL_PCI_P2PDMA to gate getting PCI P2PDMA pages Logan Gunthorpe
2022-09-05 22:27 ` John Hubbard
2022-08-25 15:24 ` [PATCH v9 2/8] iov_iter: introduce iov_iter_get_pages_[alloc_]flags() Logan Gunthorpe
2022-09-05 14:33 ` Christoph Hellwig [this message]
2022-09-05 23:21 ` John Hubbard
2022-09-06 16:52 ` Logan Gunthorpe
2022-08-25 15:24 ` [PATCH v9 3/8] block: add check when merging zone device pages Logan Gunthorpe
2022-09-05 14:34 ` Christoph Hellwig
2022-09-05 23:58 ` John Hubbard
2022-08-25 15:24 ` [PATCH v9 4/8] lib/scatterlist: " Logan Gunthorpe
2022-09-05 14:34 ` Christoph Hellwig
2022-09-06 0:21 ` John Hubbard
2022-08-25 15:24 ` [PATCH v9 5/8] block: set FOLL_PCI_P2PDMA in __bio_iov_iter_get_pages() Logan Gunthorpe
2022-09-05 14:36 ` Christoph Hellwig
2022-09-06 0:48 ` John Hubbard
2022-08-25 15:24 ` [PATCH v9 6/8] block: set FOLL_PCI_P2PDMA in bio_map_user_iov() Logan Gunthorpe
2022-09-05 14:36 ` Christoph Hellwig
2022-09-06 0:54 ` John Hubbard
2022-08-25 15:24 ` [PATCH v9 7/8] PCI/P2PDMA: Allow userspace VMA allocations through sysfs Logan Gunthorpe
2022-09-01 16:20 ` Greg Kroah-Hartman
2022-09-01 16:32 ` Logan Gunthorpe
2022-09-01 16:42 ` Greg Kroah-Hartman
2022-09-01 18:14 ` Logan Gunthorpe
2022-09-01 18:36 ` Greg Kroah-Hartman
2022-09-01 19:16 ` Logan Gunthorpe
2022-09-02 5:53 ` Greg Kroah-Hartman
2022-09-02 18:46 ` Logan Gunthorpe
2022-09-20 6:46 ` Christoph Hellwig
2022-09-22 8:38 ` Greg Kroah-Hartman
2022-09-22 14:58 ` Logan Gunthorpe
2022-08-25 15:24 ` [PATCH v9 8/8] ABI: sysfs-bus-pci: add documentation for p2pmem allocate Logan Gunthorpe
2022-09-01 16:18 ` Greg Kroah-Hartman
2022-09-01 16:33 ` Logan Gunthorpe
2022-09-06 1:03 ` John Hubbard
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