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@ -27,9 +27,6 @@ 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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