PAE on i386

From: Konstantin Belousov <kib_at_freebsd.org>
Date: Sun, 20 Jan 2019 13:18:54 +0200
Hello,
at https://reviews.freebsd.org/D18894 I put a review which main goal is
to allow i386 kernels to use NX bits on capable hardware.  In essence,
single kernel now can operate using either PAE or non-PAE pagetables,
the selection is done at the cold (very early boot, before paging is
turned on) time.

This together with earlier 4/4 work gives much more life into i386 kernels
for whoever still needs them.  Please review/test, see the differential
review text for more explanation.
Received on Sun Jan 20 2019 - 10:19:03 UTC

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