On Thu, Oct 17, 2024 at 10:46 PM Jason Gunthorpe jgg@nvidia.com wrote:
On Thu, Oct 17, 2024 at 07:11:46PM +0200, David Hildenbrand wrote:
On 17.10.24 18:47, Jason Gunthorpe wrote:
On Thu, Oct 17, 2024 at 10:58:29AM -0400, Peter Xu wrote:
My question was more torwards whether gmemfd could still expose the possibility to be used in VA forms to other modules that may not support fd+offsets yet.
I keep hearing they don't want to support page pinning on a guestmemfd mapping, so VA based paths could not work.
For shared pages it absolutely must work. That's what I keep hearing :)
Oh that's confusing. I assume non longterm pins desired on shared pages though??
Jason
For hugepage support to work, longterm pins on guest private pages need to be avoided [1], If this somehow was the cause of any confusion here.
[1] https://lpc.events/event/18/contributions/1764/attachments/1409/3182/LPC%202... (slide 12)