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amd64: invalidate TLB between page table update and access

Description

amd64: invalidate TLB between page table update and access

When setting up trampoline mapping for LA57 switcher, it is possible
that TLB still has some random mapping at that address.

Sponsored by: The FreeBSD Foundation
MFC after: 1 week

Details

Provenance
kibAuthored on Apr 16 2021, 6:28 PM
Parents
rG7b88cd8bbf37: Add myself(oh) as src committer and mentor(manu).
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