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Created with Raphaël 2.2.011Sep82126Aug2524191813121110815Nov1418Sep12Aug30Jun2710Apr324Mar19Feb3Oct23Sep12829Aug2827431Jul4Mar24Oct10Sep728Aug24232217Feb14Oct1130Sep2714131275432131Aug3029262524222119171615121198731Jul292724Jun28Apr28Feb1911Jan10229Sep272019151332131Aug302611106528Jul26252326Feb1Dec23Nov24Oct7530Sep20153230Aug813Jul121131May268Mar20Oct17161512828Sep24119328Aug22212020Dec28Nov20Oct12130Sep272625191815531Aug302928272423222120141098Straight replacement of B_BUSY with a sleeping lock.Merge branch 'master' of g.csail.mit.edu:xv6-devxuse asm() for lock release, not a C assignmentthis might fix the reported deadlock, though I can't reproduce it.Be a bit more explicit what kind of suggestions are are interested.Make runoff happyFix a few lines that runoff is complaining about that they are too longack xiMerge branch 'master' of g.csail.mit.edu:xv6-devAPIC IDs may not be consecutive and start from zero, so we cannot really use itcomment about sched() saving/restoring cpu->intenacurproc -> proc in a commentbetter commentackset iomb to forbid i/o instructions from user spacexRemove trailing white space with:ack mikecatadd check for wrapping of address + size in exec()add alignment check of virtual address to exec()p2v -> P2VxCoding style (thanks to phf).Fixed QEMU command line avoids raw image warning.It will be for 2016Update based on a scan of my 6828 folderRemoved useless variable.Again, QEMU command line to avoid image warning.Remove unused variable, nits.Removed useless function and prototypes.Thanks to Warren Toomey for RDMUL and WRMUL.Small change to support RWMUL and WRMUL. Now xv6 truly works with a block sizehold ptable.lock for the entire process creationseparate atomic test-and-set from memory barrier.nothing muchmain commentsnitsmore comments in entryother.Seven more explicit that entry.S is linked into kernel, unlike bootasm.S.