10. Q1 : What is an atomic instruction? Show that if the wait operation is not executed atomically, then mutual exclusion may be violated Q2: What is spinlock? Discuss the advantage and disadvantage of using spinlock. Why do you think Solaris, Linux, and Windows 2000 use spinlocks as a synchronization mechanism only on multiprocessor systems and not on single- processor systems?
10. Q1 : What is an atomic instruction? Show that if the wait operation is not executed atomically, then mutual exclusion may be violated Q2: What is spinlock? Discuss the advantage and disadvantage of using spinlock. Why do you think Solaris, Linux, and Windows 2000 use spinlocks as a synchronization mechanism only on multiprocessor systems and not on single- processor systems?
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 15VE: A(n) ________________ instruction always alters the instruction execution sequence. A(n)...
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10.
Q1 : What is an atomic instruction? Show that if the wait operation is not executed atomically,
then mutual exclusion may be violated
Q2: What is spinlock? Discuss the advantage and disadvantage of using spinlock. Why do you
think Solaris, Linux, and Windows 2000 use spinlocks as a synchronization
only on multiprocessor systems and not on single- processor systems?
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