sanchayanmaity/xv6-cs450
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rsc 2007-08-10 17:19:15 +00:00
parent 2715cd3592
commit 8139713c46
2 changed files with 9 additions and 3 deletions
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11
BUGS
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@ -11,9 +11,8 @@ proc.c:
factor out switching and scheduling code from process code factor out switching and scheduling code from process code
trap.c kalloc.c
if spin locks are ever held without cli, more cleanups
trap should call yield() only if nlock == 0
ide.c: synchronous disk write -> polling disk write. search for ide.c: synchronous disk write -> polling disk write. search for
(a)synchronous; xv6 doesn't have asynchronous writes. (a)synchronous; xv6 doesn't have asynchronous writes.
@ -32,3 +31,9 @@ sysfile.c:
general: general:
sizeof parens? sizeof parens?
usertests.c:
check for rm of . or ..
L=$HOME/mit/l
(for i in *.c; do xoc -x xgnu -x ./nodecleq.zeta --typesonly $i; done) 2>&1 | grep warning

1
trap.c
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@ -57,6 +57,7 @@ trap(struct trapframe *tf)
proc_exit(); proc_exit();
// Force process to give up CPU and let others run. // Force process to give up CPU and let others run.
// If locks were held with interrupts on, would need to check nlock.
if(cp->state == RUNNING) if(cp->state == RUNNING)
yield(); yield();
} }