Austin Clements
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dd645ef119
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Cleanup if allocuvm fails to alloc. Add a test.
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2010-08-31 21:49:49 -04:00 |
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Robert Morris
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23c3e52c2f
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Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6
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2010-08-31 19:21:52 -04:00 |
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Robert Morris
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3597d5dc70
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oops. last minute simplicifaction to kalloc().
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2010-08-31 19:21:33 -04:00 |
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Austin Clements
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5048762c7e
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Page break kalloc.c
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2010-08-31 17:52:03 -04:00 |
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Austin Clements
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87b2099ae4
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Our proc.c alignment is perfect. Since ksegment/usegment went away, we get a column back, so we get our two action-packed spreads.
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2010-08-31 17:49:47 -04:00 |
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Austin Clements
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13b3f4d2e3
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Make it possible to express half-page preferences
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2010-08-31 17:46:30 -04:00 |
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Austin Clements
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fd462b6a01
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Got the meat of spinlocks on one spread
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2010-08-31 17:40:21 -04:00 |
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Austin Clements
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6a6bf37c3c
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Swap bootmain.c and bootother.S. This puts the whole boot process on one spread, though it separates the two asm files.
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2010-08-31 17:35:17 -04:00 |
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Austin Clements
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c7ceb71d57
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Sheet 1 is a right page now because of the (much) longer cross-ref
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2010-08-31 17:33:04 -04:00 |
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Austin Clements
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51e2a7b324
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print depends on runoff.spec
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2010-08-31 17:30:31 -04:00 |
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Austin Clements
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29c054df81
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We don't use lesp/lebp and using them at all from C would be fraught with peril. Keep resp/rebp, but fix their code style.
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2010-08-31 17:07:54 -04:00 |
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Austin Clements
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7914ab7214
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Page breaking of mmu.h
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2010-08-31 16:54:50 -04:00 |
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Austin Clements
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b5592b4d2f
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Start PDE defs on new page
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2010-08-31 16:47:50 -04:00 |
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Austin Clements
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92639b6ba9
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Follow xv6 code style. Also fixes indexing for these functions
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2010-08-31 16:43:41 -04:00 |
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Austin Clements
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37ee75f42e
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Rearrange for better page breaking
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2010-08-31 16:42:05 -04:00 |
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Austin Clements
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7472b2b451
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Fix too-long lines
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2010-08-31 16:26:08 -04:00 |
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Austin Clements
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04be8fb232
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Rebalance TOC
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2010-08-31 16:18:44 -04:00 |
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Austin Clements
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7b814133e4
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Acknowledge patches
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2010-08-31 16:13:20 -04:00 |
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Austin Clements
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1aee6a6c4f
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Hopefully get the printf size spec right, regardless of compiler.
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2010-08-31 16:01:38 -04:00 |
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Robert Morris
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8d774afb2d
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no more pminit, or ELF header at 0x10000
kinit() knows about end and PHYSTOP
map all of kernel read/write (rather than r/o instructions)
thanks, austin
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2010-08-31 15:39:25 -04:00 |
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Austin Clements
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880ee18ab1
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mkfs must be compiled 32-bit. Fix mkfs warnings
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2010-08-31 15:11:10 -04:00 |
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Austin Clements
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1e8035be53
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Infer qemu path, just like in JOS
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2010-08-31 15:05:27 -04:00 |
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Austin Clements
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0f0456ec53
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Infer TOOLPREFIX, just like in JOS
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2010-08-31 15:01:26 -04:00 |
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Frans Kaashoek
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9acdfe0d04
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Merge branch 'page' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 into page
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2010-08-31 13:58:50 -04:00 |
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Robert Morris
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7d7dc9331b
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kalloc/kfree now only a page at a time
do not keep sorted contiguous free list
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2010-08-31 12:54:47 -04:00 |
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Frans Kaashoek
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791d81cade
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Merge branch 'page' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 into page
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2010-08-30 17:28:39 -04:00 |
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Frans Kaashoek
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156b307e28
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Merge branch 'master' of git+ssh://amsterdam.csail.mit.edu/home/am0/6.828/xv6 into page
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2010-08-30 17:14:56 -04:00 |
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Robert Morris
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81b30b14d6
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Merge remote branch 'origin/master' into page
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2010-08-30 15:30:53 -04:00 |
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Austin Clements
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fe4623b99c
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Fix for gdbstub argument change in qemu 0.11. Rename qemu-gdb-nox target to qemu-nox-gdb because you frequently want to add the gdb part, but rarely the nox part.
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2010-08-30 12:22:08 -04:00 |
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Robert Morris
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3c9ff073e0
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oops ended up with 2x vm.c
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2010-08-30 11:17:54 -04:00 |
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Robert Morris
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979c5686b7
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Merge remote branch 'origin/page' into page
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2010-08-30 10:23:27 -04:00 |
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Robert Morris
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ac090078c6
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xx
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2010-08-30 10:13:49 -04:00 |
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Robert Morris
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4d972493b6
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no more xv6.pdf .ps
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2010-08-30 07:26:54 -04:00 |
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Robert Morris
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8d8d6c7be3
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we don't need CR0_WP
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2010-08-30 06:48:48 -04:00 |
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Robert Morris
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5ab868fd90
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set only PG and WP in vminit; the rest don't seem to be needed and are confusing
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2010-08-30 06:38:58 -04:00 |
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Frans Kaashoek
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d55b2fac07
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Merge commit 'origin/page' into page
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2010-08-26 08:03:18 -04:00 |
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Frans Kaashoek
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d87f51c5a1
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add vm.c
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2010-08-26 07:51:08 -04:00 |
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Robert Morris
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789b508d53
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uptime() sys call for benchmarking
increase PHYSTOP
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2010-08-11 14:34:45 -04:00 |
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Robert Morris
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83d2db91f7
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allow sbrk(-x) to de-allocate user memory
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2010-08-10 17:08:41 -04:00 |
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Robert Morris
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c4cc10da7e
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fix corner cases in exec of ELF
put an invalid page below the stack
have fork() handle invalid pages
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2010-08-06 11:12:18 -04:00 |
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Robert Morris
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1afc9d3fca
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add some comments
find out the hard way why user and kernel must have separate segment descriptors
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2010-08-05 21:16:55 -04:00 |
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Robert Morris
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c99599784e
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remove some unused vm #defines
fix corner cases with alignment when mapping kernel ELF file
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2010-08-05 16:00:59 -04:00 |
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Robert Morris
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2cf6b32d4d
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move jkstack to main.c
replace jstack with asm()s
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2010-08-05 14:15:03 -04:00 |
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Robert Morris
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eb18645f17
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fix allocuvm() to handle sbrk() with non-page-granularity argument
(maybe this never worked, but it works now)
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2010-08-05 12:10:54 -04:00 |
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Frans Kaashoek
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b738a4f1a2
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kill TLB shoot down code
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2010-07-28 14:38:05 -04:00 |
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Frans Kaashoek
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de40730dad
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more cleanup
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2010-07-26 08:10:02 -04:00 |
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Frans Kaashoek
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30f5bf0548
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some cleanup
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2010-07-25 20:30:21 -04:00 |
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Frans Kaashoek
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af03ab142d
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a few nits
passes all tests on two-processor smp
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2010-07-23 12:52:50 -04:00 |
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Frans Kaashoek
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b364c4b881
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oops, vm.c
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2010-07-23 12:52:35 -04:00 |
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Frans Kaashoek
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4714c20521
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Checkpoint page-table version for SMP
Includes code for TLB shootdown (which actually seems unnecessary for xv6)
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2010-07-23 07:41:13 -04:00 |
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