From: Chaitanya Kulkarni <chaitanyak@nvidia.com>
To: Logan Gunthorpe <logang@deltatee.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Cc: "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 v11 1/9] mm: allow multiple error returns in try_grab_page()
Date: Tue, 25 Oct 2022 01:06:50 +0000 [thread overview]
Message-ID: <32dc3dd6-5d44-e1b0-b716-4ea52187fb4f@nvidia.com> (raw)
In-Reply-To: <20221021174116.7200-2-logang@deltatee.com>
On 10/21/22 10:41, Logan Gunthorpe wrote:
> In order to add checks for P2PDMA memory into try_grab_page(), expand
> the error return from a bool to an int/error code. Update all the
> callsites handle change in usage.
>
> Also remove the WARN_ON_ONCE() call at the callsites seeing there
> already is a WARN_ON_ONCE() inside the function if it fails.
>
> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
-ck
next prev parent reply other threads:[~2022-10-25 1:30 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-21 17:41 [PATCH v11 0/9] Userspace P2PDMA with O_DIRECT NVMe devices Logan Gunthorpe
2022-10-21 17:41 ` [PATCH v11 1/9] mm: allow multiple error returns in try_grab_page() Logan Gunthorpe
2022-10-24 15:00 ` Christoph Hellwig
2022-10-24 16:37 ` Dan Williams
2022-10-25 1:06 ` Chaitanya Kulkarni [this message]
2022-10-21 17:41 ` [PATCH v11 2/9] mm: introduce FOLL_PCI_P2PDMA to gate getting PCI P2PDMA pages Logan Gunthorpe
2022-10-24 15:00 ` Christoph Hellwig
2022-10-25 1:09 ` Chaitanya Kulkarni
2022-10-21 17:41 ` [PATCH v11 3/9] iov_iter: introduce iov_iter_get_pages_[alloc_]flags() Logan Gunthorpe
2022-10-25 1:14 ` Chaitanya Kulkarni
2022-10-25 15:35 ` Logan Gunthorpe
2022-10-25 15:41 ` Christoph Hellwig
2022-10-27 7:11 ` Jay Fang
2022-10-27 14:22 ` Logan Gunthorpe
2022-10-21 17:41 ` [PATCH v11 4/9] block: add check when merging zone device pages Logan Gunthorpe
2022-10-25 1:16 ` Chaitanya Kulkarni
2022-10-21 17:41 ` [PATCH v11 5/9] lib/scatterlist: " Logan Gunthorpe
2022-10-25 1:19 ` Chaitanya Kulkarni
2022-10-21 17:41 ` [PATCH v11 6/9] block: set FOLL_PCI_P2PDMA in __bio_iov_iter_get_pages() Logan Gunthorpe
2022-10-25 1:23 ` Chaitanya Kulkarni
2022-10-25 15:37 ` Logan Gunthorpe
2022-10-25 1:25 ` Chaitanya Kulkarni
2022-10-21 17:41 ` [PATCH v11 7/9] block: set FOLL_PCI_P2PDMA in bio_map_user_iov() Logan Gunthorpe
2022-10-25 1:26 ` Chaitanya Kulkarni
2022-10-21 17:41 ` [PATCH v11 8/9] PCI/P2PDMA: Allow userspace VMA allocations through sysfs Logan Gunthorpe
2022-10-25 1:29 ` Chaitanya Kulkarni
2022-10-25 1:34 ` Chaitanya Kulkarni
2022-10-21 17:41 ` [PATCH v11 9/9] ABI: sysfs-bus-pci: add documentation for p2pmem allocate Logan Gunthorpe
2022-10-25 1:29 ` Chaitanya Kulkarni
2022-10-24 15:03 ` [PATCH v11 0/9] Userspace P2PDMA with O_DIRECT NVMe devices Christoph Hellwig
2022-10-24 19:15 ` John Hubbard
2022-11-08 6:56 ` Christoph Hellwig
2022-11-09 17:28 ` Logan Gunthorpe
2022-11-09 18:33 ` Jens Axboe
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