Ben Pfaff [Tue, 20 Dec 2005 22:52:01 +0000 (22:52 +0000)]
Wording.
Ben Pfaff [Tue, 20 Dec 2005 22:32:05 +0000 (22:32 +0000)]
It's okay to use a single sorted queue for MLFQS.
Ben Pfaff [Tue, 20 Dec 2005 22:26:13 +0000 (22:26 +0000)]
Suggest order of operations for recent_cpu calculation.
Thanks to "Jeff Sun" <precisely@gmail.com> for report.
Ben Pfaff [Tue, 20 Dec 2005 22:15:44 +0000 (22:15 +0000)]
Suggest 17.14 instead of 21.10 because the extra precision may be
necessary for some implementations.
Thanks to Matt Page <mpage@stanford.edu> and "Jeff Sun"
<precisely@gmail.com> for the suggestion.
Ben Pfaff [Tue, 20 Dec 2005 21:27:33 +0000 (21:27 +0000)]
Explain why it sometimes looks like pass() fails.
Ben Pfaff [Tue, 20 Dec 2005 21:11:42 +0000 (21:11 +0000)]
Make backtrace chop long filenames to just the last few characters.
Ben Pfaff [Tue, 20 Dec 2005 20:47:43 +0000 (20:47 +0000)]
Wording.
Ben Pfaff [Tue, 20 Dec 2005 20:47:21 +0000 (20:47 +0000)]
Add CVS Locking to menu.
Ben Pfaff [Tue, 20 Dec 2005 20:47:01 +0000 (20:47 +0000)]
Ignore pintos.text.
Ben Pfaff [Tue, 20 Dec 2005 20:46:38 +0000 (20:46 +0000)]
Be slightly more lenient.
Ben Pfaff [Tue, 20 Dec 2005 20:45:41 +0000 (20:45 +0000)]
Ignore *.d.
Ben Pfaff [Tue, 20 Dec 2005 20:44:39 +0000 (20:44 +0000)]
Clarifications.
Add FAQ for how to run tests.
Ben Pfaff [Tue, 20 Dec 2005 20:42:15 +0000 (20:42 +0000)]
Add summary of scheduler.
Ben Pfaff [Tue, 20 Dec 2005 20:03:51 +0000 (20:03 +0000)]
Comment idle thread more thoroughly.
Thanks to "Kevin Hart" <kevin.hart@hp.com> for asking questions.
Ben Pfaff [Tue, 20 Dec 2005 19:47:32 +0000 (19:47 +0000)]
Fix description of rounding to nearest in fixed point to take into
account negative numbers. Thanks to Nishit Sureshchandra Shah
<nishit@stanford.edu> for the correction.
Ben Pfaff [Tue, 20 Dec 2005 18:35:50 +0000 (18:35 +0000)]
Clarify that adding code where interrupts are already disabled may be
necessary.
Ben Pfaff [Tue, 20 Dec 2005 18:30:03 +0000 (18:30 +0000)]
Wording clarifications.
Ben Pfaff [Tue, 20 Dec 2005 18:17:30 +0000 (18:17 +0000)]
Talk about CVS locks.
Ben Pfaff [Tue, 20 Dec 2005 18:03:02 +0000 (18:03 +0000)]
Wording clarifications.
Ben Pfaff [Tue, 20 Dec 2005 18:02:50 +0000 (18:02 +0000)]
Clarifying comment.
Ben Pfaff [Tue, 20 Dec 2005 07:33:37 +0000 (07:33 +0000)]
Add comment that gdb and pintos have to run on the same machine.
Ben Pfaff [Tue, 20 Dec 2005 07:28:19 +0000 (07:28 +0000)]
Mention that aklog and/or logging out and back in may be necessary to
gain new group membership.
Ben Pfaff [Tue, 20 Dec 2005 07:19:43 +0000 (07:19 +0000)]
Revising "Setting Up CVS" section.
Need to `fs setacl' $HOME also.
Add summary of commands.
Ben Pfaff [Tue, 20 Dec 2005 07:17:48 +0000 (07:17 +0000)]
Add plaintext target.
Ben Pfaff [Tue, 20 Dec 2005 06:27:07 +0000 (06:27 +0000)]
Check for the compiler's availability early in the `make' run, in
Make.config, and give a warning that points to the documentation if we
can't find it.
Also, modify other Makefiles so that Make.config is only included
once, so that the message is only printed once.
Ben Pfaff [Tue, 20 Dec 2005 04:17:18 +0000 (04:17 +0000)]
Add some clarifications to address question from "Kevin Hart"
<kevin.hart@hp.com>.
Ben Pfaff [Tue, 20 Dec 2005 03:27:15 +0000 (03:27 +0000)]
Don't use ! in shell--Solaris sh doesn't support it.
Ben Pfaff [Tue, 20 Dec 2005 00:26:27 +0000 (00:26 +0000)]
Call qemu with "-nics 0" to avoid calling any network initialization
script.
Ben Pfaff [Tue, 20 Dec 2005 00:25:23 +0000 (00:25 +0000)]
Revert Intel-style assembly back to AT&T-style.
The Intel-style assembly found too many bugs in GAS
and the GAS folks actually changed behavior on us
for lidt, lgdt.
Ben Pfaff [Tue, 13 Dec 2005 06:47:18 +0000 (06:47 +0000)]
Fix fencepost error in strstr().
Thanks to Bryan Branstetter for bug and fix.
Ben Pfaff [Tue, 2 Aug 2005 02:15:36 +0000 (02:15 +0000)]
Fix typo.
Ben Pfaff [Wed, 13 Jul 2005 18:25:12 +0000 (18:25 +0000)]
Add another possible ordering of lines.
Needed by project submitted by Mike Brown <mbrown@vmware.com>.
Ben Pfaff [Wed, 13 Jul 2005 17:40:23 +0000 (17:40 +0000)]
Fix bug reported by Mike Brown <mbrown@vmware.com>, in which a
secondary device was always detected on an IDE channel that had a
primary device. Both qemu and Bochs report error/lbam/lbah register
values that are invalid for a device that exists in such a situation,
but GSX Server reports 1/0/0, which indicates a valid device.
Fortunately, GSX Server does report a useful value in the status
register, so the bug fix adds a check for that value also.
Ben Pfaff [Fri, 8 Jul 2005 05:56:25 +0000 (05:56 +0000)]
Add CVS instructions.
Ben Pfaff [Wed, 6 Jul 2005 21:49:47 +0000 (21:49 +0000)]
Allow disks to come from build/ directory as well as current
directory, by default.
Ben Pfaff [Wed, 6 Jul 2005 20:45:36 +0000 (20:45 +0000)]
Eliminate race condition in timer_print_stats() found by Sorav's
Checkbochs tool.
Ben Pfaff [Mon, 4 Jul 2005 00:06:43 +0000 (00:06 +0000)]
Add comment.
Ben Pfaff [Mon, 4 Jul 2005 00:04:24 +0000 (00:04 +0000)]
Clarify use of thread_get_nice() and thread_set_nice().
Thanks to "Bruce Schechter" <bruce@schechter.com> for pointing the
ambiguity.
Ben Pfaff [Tue, 28 Jun 2005 20:09:56 +0000 (20:09 +0000)]
Reword paragraph.
Ben Pfaff [Tue, 28 Jun 2005 20:09:26 +0000 (20:09 +0000)]
Fix Mendel's name.
Ben Pfaff [Mon, 27 Jun 2005 21:07:41 +0000 (21:07 +0000)]
Fix bug that shifted mlfqs-recent-1 output by 1 second.
Thanks to Atif Faheem for reporting this bug.
Ben Pfaff [Mon, 27 Jun 2005 20:01:13 +0000 (20:01 +0000)]
Revise.
Ben Pfaff [Mon, 27 Jun 2005 19:58:08 +0000 (19:58 +0000)]
Clarify that scheduler data updates are synchronous with the timer.
Ben Pfaff [Mon, 27 Jun 2005 15:26:07 +0000 (15:26 +0000)]
Fix cond_wait prototype. Thanks to ASIF Erayath Thekke Valappil
<etv@stanford.edu>.
Ben Pfaff [Mon, 27 Jun 2005 15:19:51 +0000 (15:19 +0000)]
Initialize start_time. Thanks to Ankur Goyal <angoyal@stanford.edu> .
Ben Pfaff [Mon, 27 Jun 2005 15:14:31 +0000 (15:14 +0000)]
"thread_sleep" -> "timer_sleep"
Ben Pfaff [Mon, 27 Jun 2005 15:13:04 +0000 (15:13 +0000)]
Fix summary table. Thanks to leith <eleith@stanford.edu>.
Ben Pfaff [Sat, 25 Jun 2005 03:44:25 +0000 (03:44 +0000)]
Make <STRONG> use boldface.
Ben Pfaff [Sat, 25 Jun 2005 03:37:32 +0000 (03:37 +0000)]
Be specific about `nice' range.
Ben Pfaff [Sat, 25 Jun 2005 03:25:31 +0000 (03:25 +0000)]
Emphasize backquotes.
Put class bin dir at beginning of path.
Ben Pfaff [Thu, 23 Jun 2005 01:39:18 +0000 (01:39 +0000)]
Fix wording in priority donation section.
Ben Pfaff [Tue, 21 Jun 2005 14:15:22 +0000 (14:15 +0000)]
Increase mmap-shuffle, page-shuffle timeouts further.
Ben Pfaff [Tue, 21 Jun 2005 06:43:31 +0000 (06:43 +0000)]
Check for no warnings in grade report.
Ben Pfaff [Tue, 21 Jun 2005 06:42:58 +0000 (06:42 +0000)]
Make page-merge-seq, page-merge-par even longer.
Ben Pfaff [Tue, 21 Jun 2005 06:28:16 +0000 (06:28 +0000)]
Add priority-donate-nest.
Ben Pfaff [Tue, 21 Jun 2005 06:23:40 +0000 (06:23 +0000)]
Fix stupid bug.
Ben Pfaff [Tue, 21 Jun 2005 05:51:10 +0000 (05:51 +0000)]
Check that `grade' reports are perfect.
Ben Pfaff [Tue, 21 Jun 2005 05:38:43 +0000 (05:38 +0000)]
Use temporary file instead of reference to string
on open() because old Perl doesn't support the latter.
Ben Pfaff [Tue, 21 Jun 2005 05:37:46 +0000 (05:37 +0000)]
Print message for perfect score.
Ben Pfaff [Tue, 21 Jun 2005 05:32:39 +0000 (05:32 +0000)]
Fix rubric files.
Ben Pfaff [Tue, 21 Jun 2005 05:01:59 +0000 (05:01 +0000)]
Increase syn-read timeout even more.
Ben Pfaff [Tue, 21 Jun 2005 04:36:15 +0000 (04:36 +0000)]
Increase syn-read timeout.
Ben Pfaff [Tue, 21 Jun 2005 04:08:53 +0000 (04:08 +0000)]
Deal with `wc -l' putting spaces in the output.
Ben Pfaff [Tue, 21 Jun 2005 03:59:08 +0000 (03:59 +0000)]
texi2html doesn't support @verbatiminclude, so kluge it.
Ben Pfaff [Tue, 21 Jun 2005 03:58:16 +0000 (03:58 +0000)]
Shorten lines.
Ben Pfaff [Tue, 21 Jun 2005 03:57:12 +0000 (03:57 +0000)]
Untabify to fix Texinfo expansion.
Ben Pfaff [Tue, 21 Jun 2005 01:26:44 +0000 (01:26 +0000)]
Update spacing.
Ben Pfaff [Tue, 21 Jun 2005 00:42:40 +0000 (00:42 +0000)]
Add reference to mcp example.
Ben Pfaff [Tue, 21 Jun 2005 00:41:29 +0000 (00:41 +0000)]
Add some more examples.
Ben Pfaff [Tue, 21 Jun 2005 00:40:36 +0000 (00:40 +0000)]
Use qemu where appropriate and available.
Use $(MAKE) consistently.
Ben Pfaff [Tue, 21 Jun 2005 00:32:24 +0000 (00:32 +0000)]
Increase page-linear timeout.
Ben Pfaff [Tue, 21 Jun 2005 00:32:12 +0000 (00:32 +0000)]
Update for modified test.
Ben Pfaff [Tue, 21 Jun 2005 00:27:03 +0000 (00:27 +0000)]
Fix releasing of free inode blocks.
Ben Pfaff [Mon, 20 Jun 2005 22:56:27 +0000 (22:56 +0000)]
Increase time-outs for page-shuffle, mmap-shuffle.
Ben Pfaff [Mon, 20 Jun 2005 22:56:12 +0000 (22:56 +0000)]
Fix file name.
Ben Pfaff [Mon, 20 Jun 2005 22:55:59 +0000 (22:55 +0000)]
Don't print output for triple faults.
Ben Pfaff [Mon, 20 Jun 2005 22:55:36 +0000 (22:55 +0000)]
Don't print recursive reboots.
Ben Pfaff [Mon, 20 Jun 2005 21:53:43 +0000 (21:53 +0000)]
Allow decimal point in percentages.
Ben Pfaff [Mon, 20 Jun 2005 21:26:49 +0000 (21:26 +0000)]
Fix handling of timeouts.
Ben Pfaff [Mon, 20 Jun 2005 21:01:51 +0000 (21:01 +0000)]
Change line spacing.
Ben Pfaff [Mon, 20 Jun 2005 20:59:24 +0000 (20:59 +0000)]
Always print output for failing test cases.
Ben Pfaff [Mon, 20 Jun 2005 20:59:12 +0000 (20:59 +0000)]
Add timeouts.
Ben Pfaff [Mon, 20 Jun 2005 20:31:32 +0000 (20:31 +0000)]
Revise.
Ben Pfaff [Mon, 20 Jun 2005 20:24:19 +0000 (20:24 +0000)]
Add grading system.
Ben Pfaff [Mon, 20 Jun 2005 20:11:45 +0000 (20:11 +0000)]
Use file count of 20.
Ben Pfaff [Mon, 20 Jun 2005 20:11:01 +0000 (20:11 +0000)]
Update.
Ben Pfaff [Mon, 20 Jun 2005 17:54:20 +0000 (17:54 +0000)]
Recommend integrating cache early.
Ben Pfaff [Sun, 19 Jun 2005 18:55:55 +0000 (18:55 +0000)]
Comment fixes.
Ben Pfaff [Sun, 19 Jun 2005 18:55:30 +0000 (18:55 +0000)]
Comment fixes.
Ben Pfaff [Sun, 19 Jun 2005 18:53:22 +0000 (18:53 +0000)]
Unused source file.
Ben Pfaff [Sun, 19 Jun 2005 05:48:04 +0000 (05:48 +0000)]
Adjust FAQ section naming for consistency.
Ben Pfaff [Sun, 19 Jun 2005 05:41:39 +0000 (05:41 +0000)]
Install templates.
Ben Pfaff [Sun, 19 Jun 2005 05:38:20 +0000 (05:38 +0000)]
Get rid of .png rules that are no longer used.
Ben Pfaff [Sun, 19 Jun 2005 05:36:00 +0000 (05:36 +0000)]
Add texinfo.tex.
Ben Pfaff [Sun, 19 Jun 2005 05:13:15 +0000 (05:13 +0000)]
Use binutils 2.15, not 2.16, because it doesn't have a bug in the
implementation of lidt and lgdt that bites us.
Ben Pfaff [Sun, 19 Jun 2005 03:44:53 +0000 (03:44 +0000)]
Add Algorithms::Diff to source tree for systems that don't have it
installed publicly.
Ben Pfaff [Sun, 19 Jun 2005 03:20:25 +0000 (03:20 +0000)]
Make tests public. Rewrite most tests. Add tests.
Major revisions to documentation and assignments.
Implement good solutions to all assignments.
Rewrite pintos script, fsutils, and Pintos command line parsing to
support put, get of multiple files.
New pintos-mkdisk script for what pintos doesn't do anymore.
Make backtrace more friendly.
Major revisions to base file system.
Get rid of names passed to synch primitives.
Break intr_register() into intr_register_ext() and intr_register_int().
Revise bitmap code.
Add console_locked_by_current_thread() and use it.
munmap() has void return value (in lib/user/syscall.c).
Update expected tools versions.
Document use of qemu.
Add realloc() function to malloc implementation.
Add is_user_vaddr() and is_kernel_vaddr(), use in mmu.h.
Add sema_try_down(), lock_try_acquire().
Add memory barrier.
Extend default time slice to 4 ticks and calculate time slices
properly (don't just switch whenever timer_ticks() % 4 == 0).
Fix writing to palloc'd memory without checking against null
in pagedir_create().
Invalidate TLB when we mark pages not accessed or not dirty.
Revise other pagedir code.
Make load() less nasty-looking.
Ben Pfaff [Thu, 26 May 2005 20:21:35 +0000 (20:21 +0000)]
Get rid of unnecessary barrier. Improve comment.
Ben Pfaff [Wed, 25 May 2005 04:29:00 +0000 (04:29 +0000)]
How to debug user programs with gdb.
Ben Pfaff [Tue, 17 May 2005 01:36:51 +0000 (01:36 +0000)]
Update Intel manual URLs.