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(parent: 7234f29) | patch
Don't close the A20 gate; leave it open
authorH. Peter Anvin <hpa@zytor.com>
Sat, 16 Feb 2008 06:35:18 +0000 (22:35 -0800)
committerH. Peter Anvin <hpa@zytor.com>
Sat, 16 Feb 2008 06:54:15 +0000 (22:54 -0800)
commitdefcbbc6527cd20bd45e42fab53d7e185156df48
tree7cdba63b1d0b72d001b2f0cfb4b2162a48fef151tree | snapshot
parent7234f292a43f971899b4a10fc5130c400c4aa3b2commit | diff
Don't close the A20 gate; leave it open

Don't close the A20 gate (restore to previous state); leave it open.
This is good for performance, but also avoids a nasty race condition
when leaving protected mode to then quickly re-enter protected mode.
bcopy32.inc diff | blob | history
com32.inc diff | blob | history
config.inc diff | blob | history
Domain: System / Uncategorized;