| commit | 13ae4f0b58f0568b8d8e5a6053b977e3153354a2 | [log] [tgz] |
|---|---|---|
| author | Rasha Eqbal <rashaeqbal@fuchsia.infra.roller.google.com> | Thu Oct 05 16:08:55 2023 +0000 |
| committer | Copybara-Service <copybara-worker@google.com> | Thu Oct 05 09:10:20 2023 -0700 |
| tree | 39438c1fce10620323afd5315ca75566f89e6798 | |
| parent | f5d6a4236ca5423b63f2022d6ead41b5a9379870 [diff] |
[roll] Roll fuchsia Revert "[sysmem] sysmem2 support for logically weak VMOs" This reverts commit 764e7591b6c18f4265ea185c7cebbecaa7a35913. Reason for revert: /boot/test/sysmem-v1 and /boot/test/sysmem-v2 fail on bringup builders in CI Original change's description: > [sysmem] sysmem2 support for logically weak VMOs > > This allows for scenarios where the only owner(s) of a buffer can/will > only convey the buffer as a VMO handle, not by using a BufferCollection > or BufferCollectionToken. For these scenarios, we can instead correlate > a VMO back to a previously established BufferCollection. This is > somewhat less direct than conveying a BufferCollectionToken, but adds > client scenario flexibility. > > A participant can be involved in allocation, keeping only a weak > BufferCollection channel and weak sysmem VMOs, cleaning up asap if > strong VMOs all close (per buffer_index). If the participant sees > a VMO show up via other protocol(s), the participant can correlate > the VMO back to the weak BufferCollection via GetVmoInfo(). > > BUG: b/284073556 > Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/918633 Original-Bug: b/284073556 No-Presubmit: true No-Tree-Checks: true No-Try: true Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/927732 Original-Revision: 78ba280de3cabab1932ad5b74e4613f42dbd6cb5 GitOrigin-RevId: 8bd2167dad2c5a6ba452b76d82778b693508eb2a Change-Id: Ib06fd0fd1101a9a3a8af279fb6e7fa689385cd3c
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