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author | rtm <rtm> | 2006-07-12 11:15:38 +0000 |
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committer | rtm <rtm> | 2006-07-12 11:15:38 +0000 |
commit | 8148b6ee535b85e97f3b5f3a850b70fdfbbcaf2d (patch) | |
tree | ea279d5ca141449bb8f363594c57d7e8fc142db0 /proc.h | |
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 'proc.h')
-rw-r--r-- | proc.h | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -69,6 +69,7 @@ struct cpu { struct jmpbuf jmpbuf; char mpstack[MPSTACK]; // per-cpu start-up stack, only used to get into main() struct proc *lastproc; // last proc scheduled on this cpu (never NULL) + int clis; // cli() nesting depth }; extern struct cpu cpus[NCPU]; |