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| H A D | vm_fault.c | diff 607970bc8edb9069f45e883325a84f2de9860945 Wed Feb 14 01:25:18 CET 2018 Konstantin Belousov <kib@FreeBSD.org> Do not call pmap_enter() with invalid protection mode.
If the map entry elookup was performed due to the mapping changes, we
need to ensure that there is still some access permission bit
requested which is compatible with the current vm_map_entry mode. If
not, restart the handler from scratch instead of trying to save the
current progress.
Also adjust fault_type to not include cleared permission bits.
Reviewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D14347
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