54 lines
1.3 KiB
Text
54 lines
1.3 KiB
Text
index:
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SEG_NULL, SEG_ASM not in the index
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mmu.h:
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funny \ alignment in mmu.h
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main.c:
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should use static int bcpu to avoid having live
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stack variable across the asm volatile that
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changes %esp and %ebp.
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cpus[0] -> cpus[bcpu]
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proc.c:
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comment at top of scheduler() should say
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via longjmp back to the scheduler
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not
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via longjmp back to the top of scheduler
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sched should panic if state == RUNNING.
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forkret comment should say "Return" not "return"
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as a consequence of the implementation of proc_kill,
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any loop calling sleep should check for p->killed
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and be able to break out with an error return.
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can swap procdump up after proc_kill
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and then have proc_exit and proc_wait on same sheet
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proc_exit should wake up proc[1] if any
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reparenting was done.
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sched -> switch2scheduler? or just switch?
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factor out switching and scheduling code from process code
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trap.c
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if spin locks are ever held without cli,
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trap should call yield() only if nlock == 0
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main.c, proc.c, trap.c:
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use a constant for 3 (USER).
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ide.c: synchronous disk write -> polling disk write. search for
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(a)synchronous; xv6 doesn't have asynchronous writes.
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fs.c: split all name operations off in name.c? (starting with namei but move
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wdir keep in fs.c)
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unlink . and .. should be disallowed
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ls.c: apply tim's patch
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