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arm64: Add pmap integration for KMSAN
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Authored by markj on Jan 11 2024, 10:48 PM.
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Details

Summary
  • In pmap_bootstrap_san(), allocate the root PTPs for the shadow maps. (For KASAN, this is done earlier since we need to do some special bootstrapping for the kernel stack.)
  • Adjust ifdefs to include KMSAN.
  • Expand the shadow maps when pmap_growkernel() is called.

Sponsored by: Klara, Inc.
Sponsored by: Juniper Networks, Inc.

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