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Revision tags: xv6-rev11 |
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abf847a0 |
| 31-Jan-2017 |
Frans Kaashoek <kaashoek@mit.edu> |
Start of an experiment to remove the use of gs for cpu local variables.
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dec637bc |
| 12-Sep-2016 |
Frans Kaashoek <kaashoek@mit.edu> |
Replace I_BUSY with sleep locks
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Revision tags: xv6-rev9, xv6-rev8, xv6-rev7, osdi12-submit, xv6-rev6 |
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1ddfbbb1 |
| 29-Aug-2011 |
Frans Kaashoek <kaashoek@26-4-190.dynamic.csail.mit.edu> |
Revert "Introduce and use sleeplocks instead of BUSY flags"
My changes have a race with re-used bufs and the code doesn't seem to get shorter
Keep the changes that fixed ip->off race
This reverts co
Revert "Introduce and use sleeplocks instead of BUSY flags"
My changes have a race with re-used bufs and the code doesn't seem to get shorter
Keep the changes that fixed ip->off race
This reverts commit 3a5fa7ed9020eaf8ab843a16d26db7393b2ec072.
Conflicts:
defs.h
file.c
file.h
show more ...
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3a5fa7ed |
| 26-Aug-2011 |
Frans Kaashoek <kaashoek@Frans-Kaashoeks-MacBook-Pro.local> |
Introduce and use sleeplocks instead of BUSY flags
Remove I_BUSY, B_BUSY, and intrans defs and usages
One spinlock per buf to avoid ugly loop in bget
fix race in filewrite (don't update f->off after
Introduce and use sleeplocks instead of BUSY flags
Remove I_BUSY, B_BUSY, and intrans defs and usages
One spinlock per buf to avoid ugly loop in bget
fix race in filewrite (don't update f->off after releasing lock)
show more ...
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Revision tags: xv6-rev5 |
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1a81e38b |
| 11-Jan-2011 |
Russ Cox <rsc@swtch.com> |
make new code like old code
Variable declarations at top of function,
separate from initialization.
Use == 0 instead of ! for checking pointers.
Consistent spacing around {, *, casts.
Declare 0-p
make new code like old code
Variable declarations at top of function,
separate from initialization.
Use == 0 instead of ! for checking pointers.
Consistent spacing around {, *, casts.
Declare 0-parameter functions as (void) not ().
Integer valued functions return -1 on failure, 0 on success.
show more ...
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Revision tags: xv6-2010, xv6-rev4 |
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7d7dc933 |
| 31-Aug-2010 |
Robert Morris <rtm@nephron.lcs.mit.edu> |
kalloc/kfree now only a page at a time
do not keep sorted contiguous free list
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Revision tags: xv6-rev3 |
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48755214 |
| 31-Aug-2009 |
Russ Cox <rsc@swtch.com> |
assorted fixes:
* rename c/cp to cpu/proc
* rename cpu.context to cpu.scheduler
* fix some comments
* formatting for printout
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0aef8914 |
| 08-Aug-2009 |
Russ Cox <rsc@swtch.com> |
shuffle and tweak for formatting.
pdf has very good page breaks now.
would be a good copy for fall 2009.
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00e57115 |
| 13-Jul-2009 |
Russ Cox <rsc@swtch.com> |
more doc tweaks
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f3685aa3 |
| 31-May-2009 |
rsc <rsc> |
simplify
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e670a483 |
| 15-Oct-2008 |
kolya <kolya> |
as rtm noticed, avoid doubly-freeing pipe page
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Revision tags: xv6-2008 |
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02cc595f |
| 22-Aug-2008 |
kolya <kolya> |
clean up circular buffers, so pipe can queue 512 bytes rather than 511
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Revision tags: xv6-2007, xv6-rev1 |
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5516be1f |
| 28-Aug-2007 |
rsc <rsc> |
spaces around else for rtm
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e4d6a211 |
| 28-Aug-2007 |
rsc <rsc> |
more consistent spacing
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6eed1ee9 |
| 28-Aug-2007 |
rsc <rsc> |
formatting
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7834cca6 |
| 28-Aug-2007 |
rsc <rsc> |
remove _ from pipe; be like file
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558ab49f |
| 27-Aug-2007 |
rsc <rsc> |
delete unnecessary #include lines
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3ce16470 |
| 27-Aug-2007 |
rsc <rsc> |
nits
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ea6e3709 |
| 14-Aug-2007 |
rsc <rsc> |
i cannot prove that release before wakeup is wrong, but i cannot convince myself it is right either
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f1f8dd91 |
| 14-Aug-2007 |
rsc <rsc> |
formatting
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b6095304 |
| 10-Aug-2007 |
rsc <rsc> |
Make cp a magic symbol.
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3bbbaca1 |
| 10-Aug-2007 |
rsc <rsc> |
move variable declaration up
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22330658 |
| 09-Aug-2007 |
rsc <rsc> |
spacing
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f2f062da |
| 08-Aug-2007 |
rsc <rsc> |
check p->killed for long-lived sleeps
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Revision tags: symlinks, xv6-2006, xv6-rev0 |
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2cbb4b18 |
| 08-Sep-2006 |
rsc <rsc> |
stop using fd to name files
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