i386: lower register's pressure on copyout_fast
Do not require that %ebx contains idlePTD AKA %kcr3. This also
simplifies KBI contract between copyout_fast and page handler.
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Description
Description
Details
Details
- Provenance
kib Authored on Sep 9 2022, 8:38 PM - Parents
- rG49587b8fb4d1: i386 copyout/in_fast: handle page fault from KVA access
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