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Only install the new pagetable pointer into ttbr0_el1 when it differs from

Description

Only install the new pagetable pointer into ttbr0_el1 when it differs from
the existing value.

MFC after: 1 week
Sponsored by: DARPA, AFRL

Details

Provenance
andrewAuthored on Jan 8 2018, 11:08 AM
Parents
rG45a91d4538a1: Move some of the common thread switching code into C. This will help with
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