135e2/xv6-labs.git - xv6-labs-2024-winter

Age	Commit message (Collapse)	Author	Files	Lines
2006-07-17	nitpicks	rsc	1	-11/+8

2006-07-16	Add user.h for prototypes.	rsc	1	-4/+8
	Add cons_puts for cleaner output.
2006-07-15	no more recursive locks	rtm	1	-8/+34
	wakeup1() assumes you hold proc_table_lock sleep(chan, lock) provides atomic sleep-and-release to wait for condition ugly code in swtch/scheduler to implement new sleep fix lots of bugs in pipes, wait, and exit fix bugs if timer interrupt goes off in schedule() console locks per line, not per byte
2006-07-12	passes both usertests	rtm	1	-2/+2
	exit had acquire where I meant release swtch now checks that you hold no locks
2006-07-12	cvs add spinlock.h	rtm	1	-2/+2
	fix race in schedule()
2006-07-12	no more big kernel lock	rtm	1	-2/+2
	succeeds at usertests.c pipe test
2006-07-11	give each cpu its own clock, so that preemption works on cpu 1	rtm	1	-2/+2

2006-07-11	pre-empt both user and kernel, in clock interrupt	rtm	1	-2/+47
	usertest.c tests pre-emption kill()
2006-07-01	swtch saves callee-saved registers	rtm	1	-7/+33
	swtch idles on per-CPU stack, not on calling process's stack fix pipe bugs usertest.c tests pipes, fork, exit, close
2006-06-27	file descriptors	rtm	1	-0/+30
	pipes