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2017-01-30CodyFrans Kaashoek1-6/+6
2016-09-26fix possible memory leak in deallocuvmCody Cutler1-1/+1
when a zero PDE is encountered while searching for present PTEs to free, resume searching at first entry of the next page table instead of the current entry of the next page table.
2016-09-26Fixed broken build on newer gold linker with NaCl supportIcenowy Zheng1-1/+1
On platforms with NaCl support, ld.gold -V will return a "elf_i386_nacl" in addition to "elf_i386", which will make the build fail.
2016-09-26Add mikecat's argp testFrans Kaashoek1-0/+14
2016-09-26fix memory region validation in argptr()MikeCAT1-1/+1
2016-09-25Typo (Thanks to Austin Liew)Frans Kaashoek1-1/+1
2016-09-19Merge branch 'master' of g.csail.mit.edu:xv6-devFrans Kaashoek1-1/+1
2016-09-19Check result of write (thans to Alexander Kapshuk <alexander.kapshuk@gmail)Frans Kaashoek1-2/+6
2016-09-16Fix a small README typoTej Chajed1-1/+1
2016-09-15Remove left-over print statementsFrans Kaashoek1-6/+0
2016-09-15Merge branch 'master' of g.csail.mit.edu:xv6-devRobert Morris3-3/+3
2016-09-15change allocproc() back to acquiring the ptable.lock.Robert Morris1-14/+6
fix bugs where caller incorrectly released lock on error return path.
2016-09-15xxRobert Morris1-1/+1
2016-09-14Delete two left-over print statementsFrans Kaashoek1-2/+0
2016-09-14Update comment a bit.Frans Kaashoek1-1/+1
2016-09-14Add sleeplock.[ch] to listingFrans Kaashoek1-0/+2
2016-09-13one more BUSYFrans Kaashoek1-2/+2
2016-09-11sleeplock filesFrans Kaashoek2-0/+66
2016-09-11Replace I_BUSY with sleep locksFrans Kaashoek7-21/+20
2016-09-11Move retry loop/sleep/wakeup in bio.c into sleeping locksFrans Kaashoek3-28/+31
2016-09-11Straight replacement of B_BUSY with a sleeping lock.Frans Kaashoek8-21/+45
2016-09-08Merge branch 'master' of g.csail.mit.edu:xv6-devFrans Kaashoek2-3/+21
2016-09-08xFrans Kaashoek2-3/+3
2016-09-08use asm() for lock release, not a C assignmentRobert Morris1-2/+4
2016-09-08this might fix the reported deadlock, though I can't reproduce it.Robert Morris1-1/+17
2016-09-08Be a bit more explicit what kind of suggestions are are interested.Frans Kaashoek1-2/+6
2016-09-02Make runoff happyFrans Kaashoek4-18/+18
2016-09-02Fix a few lines that runoff is complaining about that they are too longFrans Kaashoek3-7/+13
2016-09-02ack xiFrans Kaashoek1-2/+2
2016-09-02Merge branch 'master' of g.csail.mit.edu:xv6-devFrans Kaashoek3-3/+9
2016-09-02APIC IDs may not be consecutive and start from zero, so we cannot really use itFrans Kaashoek6-18/+26
as a direct index into cpus. Record apicid in struct cpu and have cpunum() look for it. Replace cpu->id with cpunum() everywhere, and replace cpu->id with cpu->apicid. Thanks to Xi Wang.
2016-09-02comment about sched() saving/restoring cpu->intenaRobert Morris2-2/+8
2016-09-01curproc -> proc in a commentRobert Morris1-1/+1
2016-08-26better commentFrans Kaashoek1-1/+3
2016-08-26ackFrans Kaashoek1-2/+2
2016-08-26set iomb to forbid i/o instructions from user spaceFrans Kaashoek2-0/+33
add to test that they indeed trap in user space thanks to [email protected] and [email protected]
2016-08-25xFrans Kaashoek1-6/+6
2016-08-25Remove trailing white space with:Frans Kaashoek32-116/+116
for f in *.{h,c}; do sed -i .sed 's/[[:blank:]]*$//' $f; done (Thanks to Nicolás Wolovick)
2016-08-25ack mikecatFrans Kaashoek1-2/+2
2016-08-25add check for wrapping of address + size in exec()MikeCAT1-0/+2
2016-08-25add alignment check of virtual address to exec()MikeCAT1-0/+2
2016-08-24p2v -> P2VRobert Morris5-26/+19
2016-08-19xFrans Kaashoek1-6/+6
2016-08-18Coding style (thanks to phf).Frans Kaashoek1-5/+5
2016-08-18Fixed QEMU command line avoids raw image warning.Peter H. Froehlich1-1/+1
2016-08-18It will be for 2016Frans Kaashoek1-2/+2
2016-08-18Update based on a scan of my 6828 folderFrans Kaashoek1-3/+6
2016-08-18Removed useless variable.Peter H. Froehlich1-4/+0
2016-08-18Again, QEMU command line to avoid image warning.Peter H. Froehlich1-1/+1
2016-08-18Remove unused variable, nits.Peter H. Froehlich1-6/+5
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