Messages in this thread | | | Date | Wed, 26 Jan 2022 13:38:49 +0000 | From | Matthew Wilcox <> | Subject | Re: [RFC PATCH 0/6] Add support for shared PTEs across processes |
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On Wed, Jan 26, 2022 at 11:16:42AM +0100, David Hildenbrand wrote: > A while ago I talked with Peter about an extended uffd (here: WP) > mechanism that would work on fds instead of the process address space.
As far as I can tell, uffd is a grotesque hack that exists to work around the poor choice to use anonymous memory instead of file-backed memory in kvm. Every time I see somebody mention it, I feel pain.
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