| commit | 88244ad87a59d6987b2becb0b01385a47d86e01c | [log] [tgz] |
|---|---|---|
| author | Rasha Eqbal <rashaeqbal@fuchsia.infra.roller.google.com> | Mon Jun 27 18:12:38 2022 +0000 |
| committer | Copybara-Service <copybara-worker@google.com> | Mon Jun 27 11:15:38 2022 -0700 |
| tree | a18d0cf6f5bba8b31c33e4f0fa9d9908666af2b5 | |
| parent | 45c2a3f20cbdd796020aabc385731564cc1e89ad [diff] |
[roll] Roll fuchsia [kernel][vm] Plumb write flag on the VMO pin path Pass down the IOMMU write permission to the VMO pinning code so that it can distinguish between pinning for a read and a write. This is essential to dirty track pages in the case of a pinned write. Once the pages have been pinned and mapped in the IOMMU, the VM system will no longer be able to trap the writes in order to mark pages dirty. This commit just plumbs through the write flag but does not actually use it yet. That will follow in a future CL. There is no change in behavior with this commit. Original-Bug: 63989 Run-All-Tests: true Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/693382 Original-Revision: ffe1835bdd076eb43b56d48e4032a429c1ba4780 GitOrigin-RevId: 1ab2a20bf5e1f6f92701897cd7f0a7b3feec30bd Change-Id: I722161fb8b4549a78c356dfe83da8ca737cdd589
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