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Teach arm64's pmap_remove_all() to skip pmap_invalidate_page() unless ATTR_AF is set
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Authored by alc on Nov 15 2019, 6:40 PM.
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Summary

Achieve two goals at once: (1) Avoid an unnecessary broadcast TLB invalidation. (2) Prevent an "Invalid ASID" assertion failure.

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rS FreeBSD src repository - subversion
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