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UFFD (v1.2.1) #10

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CompuIves added 13 commits July 23, 2022 17:35
Signed-off-by: Ives van Hoorne <[email protected]>

update test

Co-authored-by: Luminita Voicu <[email protected]>

move test to valid headers
This allows us to run VMs while streaming memory changes to disk

support mmap shared

update log

add configuration for memory backing file

Progress

tweaks
Firecracker used to map over the mmap when it was a restore. For
CodeSandbox this is not needed, as we use UFFD and we don't have the
limitation that the map was used for.

In fact, this is problematic for the UFFD handler, because it implicitly
unregisters the UFFD handler from the reclaimed range.
Changed

* Upgraded Rust toolchain from 1.64.0 to 1.66.1.

Fixed

* A race condition that has been identified between the API thread and the VMM
  thread due to a misconfiguration of the `api_event_fd`.
@CompuIves CompuIves changed the base branch from main to v1.2.1-base June 20, 2023 16:36
@CompuIves CompuIves changed the title Uffd superbranch 3 UFFD (v1.2.1) Jun 21, 2023
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