From: David Hildenbrand <david@redhat.com>
To: Vivek Kasireddy <vivek.kasireddy@intel.com>,
dri-devel@lists.freedesktop.org, linux-mm@kvack.org
Cc: Christoph Hellwig <hch@infradead.org>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Mike Kravetz <mike.kravetz@oracle.com>,
Hugh Dickins <hughd@google.com>, Peter Xu <peterx@redhat.com>,
Jason Gunthorpe <jgg@nvidia.com>,
Gerd Hoffmann <kraxel@redhat.com>,
Dongwon Kim <dongwon.kim@intel.com>,
Junxiao Chang <junxiao.chang@intel.com>
Subject: Re: [PATCH v7 0/6] mm/gup: Introduce memfd_pin_folios() for pinning memfd folios (v7)
Date: Tue, 12 Dec 2023 13:15:21 +0100 [thread overview]
Message-ID: <9a5584df-23df-4a3c-a6a5-fd1554250b0d@redhat.com> (raw)
In-Reply-To: <20231212073803.3233055-1-vivek.kasireddy@intel.com>
On 12.12.23 08:37, Vivek Kasireddy wrote:
> The first two patches were previously reviewed but not yet merged.
> These ones need to be merged first as the fourth patch depends on
> the changes introduced in them and they also fix bugs seen in
> very specific scenarios (running Qemu with hugetlb=on, blob=true
> and rebooting guest VM).
>
> The third patch introduces memfd_pin_folios() API and the fourth
> patch converts udmabuf driver to use folios. The fifth patch shows
> how the udmabuf driver can make use of the new API to longterm-pin
> the folios. The last patch adds two new udmabuf selftests to verify
> data coherency after potential page migration.
>
We should probably get started with the first two patches, they are
independent of the remaining discussion regarding memfd_pin_folios().
--
Cheers,
David / dhildenb
prev parent reply other threads:[~2023-12-12 12:15 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-12 7:37 Vivek Kasireddy
2023-12-12 7:37 ` [PATCH v7 1/6] udmabuf: Use vmf_insert_pfn and VM_PFNMAP for handling mmap Vivek Kasireddy
2023-12-12 7:37 ` [PATCH v7 2/6] udmabuf: Add back support for mapping hugetlb pages (v6) Vivek Kasireddy
2023-12-12 7:38 ` [PATCH v7 3/6] mm/gup: Introduce memfd_pin_folios() for pinning memfd folios (v7) Vivek Kasireddy
2023-12-12 12:13 ` David Hildenbrand
2023-12-13 8:44 ` Kasireddy, Vivek
2023-12-13 12:31 ` Jason Gunthorpe
2023-12-13 15:36 ` Christoph Hellwig
2023-12-13 17:06 ` Jason Gunthorpe
2023-12-13 15:15 ` David Hildenbrand
2023-12-12 13:21 ` kernel test robot
2023-12-12 15:27 ` kernel test robot
2023-12-12 7:38 ` [PATCH v7 4/6] udmabuf: Convert udmabuf driver to use folios Vivek Kasireddy
2023-12-13 18:00 ` Matthew Wilcox
2023-12-12 7:38 ` [PATCH v7 5/6] udmabuf: Pin the pages using memfd_pin_folios() API (v5) Vivek Kasireddy
2023-12-13 18:03 ` Matthew Wilcox
2023-12-12 7:38 ` [PATCH v7 6/6] selftests/dma-buf/udmabuf: Add tests to verify data after page migration Vivek Kasireddy
2023-12-12 12:15 ` David Hildenbrand [this message]
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