Re: [PATCH v4 1/3] mm/gup: add make_dirty arg to put_user_pages_dirty_lock()

[PATCH v4 0/3] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() · <hidden> · 2019-07-30
[PATCH v4 3/3] net/xdp: convert put_page() to put_user_page*() · <hidden> · 2019-07-30
Re: [PATCH v4 3/3] net/xdp: convert put_page() to put_user_page*() · Björn Töpel <hidden> · 2019-07-31
[PATCH v4 2/3] drivers/gpu/drm/via: convert put_page() to put_user_page*() · <hidden> · 2019-07-30
[PATCH v4 1/3] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() · <hidden> · 2019-07-30
Re: [PATCH v4 1/3] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() · Christoph Hellwig <hch@lst.de> · 2019-08-01
Re: [PATCH v4 1/3] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() · John Hubbard <jhubbard@nvidia.com> · 2019-08-01
Re: [PATCH v4 1/3] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() · Jason Gunthorpe <jgg@ziepe.ca> · 2019-08-01
Re: [PATCH v4 1/3] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() · Christoph Hellwig <hch@lst.de> · 2019-08-01

From: Christoph Hellwig <hch@lst.de>
Date: 2019-08-01 16:35:08
Also in: linux-fsdevel, linux-mm, linux-xfs, lkml

On Thu, Aug 01, 2019 at 11:19:06AM -0300, Jason Gunthorpe wrote:

Sadly usnic does not use the core rdma umem abstraction but open codes
an old version of it.

In this version each sge in the sgl is exactly one page. See
usnic_uiom_get_pages - so I think this loop is not a bug?

Actually, yes - I think we are fine given that we pass in the number
of elements.  Thus merging by iommus won't affect the list.

`h`	back out one level
`j`	next message in thread
`k`	previous message in thread
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help