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AgeCommit message (Expand)AuthorFilesLines
2019-07-24no more PAGEBREAKRobert Morris11-30/+7
2019-07-24ping-pong exerciseRobert Morris1-5/+5
2019-07-24display assembly instructions, to help with first.tex exerciseRobert Morris2-1/+2
2019-07-23mstart -> startRobert Morris3-7/+5
2019-07-23simplify kernel mapping callsRobert Morris7-42/+46
2019-07-23a few core -> CPURobert Morris3-5/+6
2019-07-23one more TRAMPOLINEFrans Kaashoek1-1/+1
2019-07-22fix mapkstackFrans Kaashoek3-5/+5
2019-07-22Clear U bit for second stack page so that it functions as a guard pageFrans Kaashoek3-1/+13
2019-07-22nitRobert Morris1-2/+2
2019-07-22-MD and TRAPFRAMERobert Morris4-11/+16
2019-07-22Allocate 2 pages per proc, with the top one unmapped.Frans Kaashoek1-1/+1
2019-07-22Merge branch 'riscv-kstack' into riscvFrans Kaashoek5-14/+43
2019-07-20not muchRobert Morris1-5/+4
2019-07-20pi for pipe, rather than p, to avoid confusion with proc's p->lockRobert Morris2-58/+51
2019-07-20not muchRobert Morris1-2/+2
2019-07-19it's not clear that the release will always enable interruptsRobert Morris1-3/+3
2019-07-19xFrans Kaashoek1-1/+2
2019-07-19with per-proc locks, we don't need the intr_on() inside the loop.Robert Morris1-3/+3
2019-07-19no need to save/restore 14Robert Morris1-2/+0
2019-07-19One way of supporting a guard page below kstack: allocate kstacks inFrans Kaashoek5-14/+42
2019-07-17Merge branch 'riscv' of g.csail.mit.edu:xv6-dev into riscvFrans Kaashoek11-117/+146
2019-07-17Delete x86 commentFrans Kaashoek1-6/+0
2019-07-16conservatively call sfence.vma before every satp load.Robert Morris4-2/+16
2019-07-11cosmetic changesRobert Morris2-14/+22
2019-07-11another test, to help with locking exercisesRobert Morris2-5/+8
2019-07-10nitsRobert Morris3-6/+4
2019-07-10more comment cleanupRobert Morris1-24/+30
2019-07-10document which proc fields are protected by p->lockRobert Morris1-5/+9
2019-07-10have kill() lock before looking at p->pidRobert Morris3-36/+32
2019-07-10tweak some comments.Robert Morris4-28/+28
2019-07-08holding p->lock all the way through state=RUNNABLE means we don't need EMBRYORobert Morris2-12/+7
2019-07-07eliminate ptable. ptable.lock -> pid_lock.Robert Morris1-15/+14
2019-07-07nitsRobert Morris1-10/+11
2019-07-07avoid a double-lock of initproc->lock if child of init is reparentingRobert Morris1-2/+5
2019-07-06Maybe fix two races identified by rtm (thx!):Frans Kaashoek1-12/+20
2019-07-04Make size in stat.h be a uint64Frans Kaashoek1-2/+2
2019-07-04xFrans Kaashoek1-1/+1
2019-07-03Simplify wakeup1Frans Kaashoek1-11/+5
2019-07-03Apply some corresponding bug fixes from wq branch hereFrans Kaashoek1-27/+25
2019-07-02Remove some debugging codeFrans Kaashoek1-8/+1
2019-07-02Fix a lost wakeup bug: the disk driver's wakeup() can run after theFrans Kaashoek1-65/+50
2019-07-02Merge branch 'riscv' into riscv-procFrans Kaashoek8-75/+122
2019-07-02xFrans Kaashoek1-1/+1
2019-07-02Don't start processes at the end of the proc tableFrans Kaashoek1-6/+8
2019-07-02Avoid two cores selecting the same process to runFrans Kaashoek4-29/+52
2019-07-02try to continue from walk() failing to allocate a page-table pageRobert Morris2-7/+16
2019-07-02avoid allocproc() returning a struct proc with non-zero p->szRobert Morris1-0/+2
2019-07-02COW testsRobert Morris1-1/+1
2019-07-02Checkpoint switching to per-process locks, in attempt clarify xv6'sFrans Kaashoek12-79/+133
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