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| author | rtm <rtm> | 2006-07-12 11:15:38 +0000 |
|---|---|---|
| committer | rtm <rtm> | 2006-07-12 11:15:38 +0000 |
| commit | 8148b6ee535b85e97f3b5f3a850b70fdfbbcaf2d (patch) | |
| tree | ea279d5ca141449bb8f363594c57d7e8fc142db0 /Notes | |
| parent | 664324745e2257289f7a61e43892ce6e8b8ed9b7 (diff) | |
| download | xv6-labs-8148b6ee535b85e97f3b5f3a850b70fdfbbcaf2d.tar.gz xv6-labs-8148b6ee535b85e97f3b5f3a850b70fdfbbcaf2d.tar.bz2 xv6-labs-8148b6ee535b85e97f3b5f3a850b70fdfbbcaf2d.zip | |
i think my cmpxchg use was wrong in acquire
nesting cli/sti: release shouldn't always enable interrupts
separate setup of lapic from starting of other cpus, so cpu() works earlier
flag to disable locking in console output
make locks work even when curproc==0
(still crashes in clock interrupt)
Diffstat (limited to 'Notes')
| -rw-r--r-- | Notes | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -125,6 +125,10 @@ in general, the table locks protect both free-ness and why can't i get a lock in console code? always triple fault + because release turns on interrupts! + a bad idea very early in main() + but mp_init() calls cprintf + lock code shouldn't call cprintf... ide_init doesn't work now? and IOAPIC: read from unsupported address |