Changes between Version 64 and Version 65 of Developer/SMP

Timestamp:

04/17/14 18:09:56 (10 years ago)

Author:

Sh

Comment:

/* SMP Locks */

Developer/SMP

@@ -331 +331 @@
 
 
-SMP locks are implemented as a ticket lock using CPU architecture specific atomic operations.
+SMP locks are implemented as a ticket lock using CPU architecture specific atomic operations.  The SMP locks use a local context to be able to use scalable lock implementations like the Mellor-Crummey and Scotty (MCS) queue-based locks.
 ==  Future Directions  ==
 
 
- *  Use a local context to be able to use scalable lock implementations like the Mellor-Crummey and Scotty (MCS) queue-based locks.
- *  Introduce read-write locks.  Use phase-fair read-write lock implementation.  This can be used for example by the time management code.  The system time may be read frequently, but updates are infrequent.
+Introduce read-write locks.  Use phase-fair read-write lock implementation.  This can be used for example by the time management code.  The system time may be read frequently, but updates are infrequent.
 =  ISR Locks  =
 
@@ -1505 +1504 @@
 disable/enable).  This simplifies them considerable.  The thread queue
 operations must be performed under the SMP lock of the object.  The drawback is
-that the time of disabled interrupts increases.  The FIFO thread queue
-o
+that the time of disabled interrupts increases.  The FIFO thread