Adjust wording of "static priority" comment.

[pintos-anon] / doc / threads.texi

diff --git a/doc/threads.texi b/doc/threads.texi
index 5e5335a1d66bda761f571278446b96907e661d5a..1e379710c65c3d38f06a6e168b3fb6a6d5b80814 100644 (file)
--- a/doc/threads.texi
+++ b/doc/threads.texi
@@ -447,9 +447,9 @@ Implement priority scheduling in Pintos.  Priority scheduling is a key
 building block for real-time systems.  Implement functions
 @func{thread_set_priority} to set the priority of the running thread
 and @func{thread_get_priority} to get the running thread's priority.
-(A thread can examine and modify only its own priority.)  There are
-already prototypes for these functions in @file{threads/thread.h},
-which you should not change.
+(This API only allows a thread to examine and modify its own
+priority.)  There are already prototypes for these functions in
+@file{threads/thread.h}, which you should not change.
 
 Thread priority ranges from @code{PRI_MIN} (0) to @code{PRI_MAX} (59).
 The initial thread priority is passed as an argument to
@@ -490,6 +490,10 @@ for a lock held by a lower-priority thread.  You do not need to
 implement this fix for semaphores, condition variables or joins.
 However, you do need to implement priority scheduling in all cases.
 
+You may assume a static priority for priority donation, that is, it is
+not necessary to ``re-donate'' a thread's priority if it changes
+(although you are free to do so).
+
 @node Problem 1-4 Advanced Scheduler
 @section Problem 1-4: Advanced Scheduler
 
@@ -503,10 +507,6 @@ relative to the original Pintos scheduling algorithm (round robin) for
 at least one workload of your own design (i.e.@: in addition to the
 provided test).
 
-You may assume a static priority for this problem. It is not necessary
-to ``re-donate'' a thread's priority if it changes (although you are
-free to do so).
-
 You must write your code so that we can turn the MLFQS on and off at
 compile time.  By default, it must be off, but we must be able to turn
 it on by inserting the line @code{#define MLFQS 1} in
@@ -665,7 +665,7 @@ Make the timer tick more slowly by decreasing @code{TIMER_FREQ} in
 @file{timer.h} to its minimum value of 19.
 
 @item
-Increase the serial output speed to the maximum of 115200 bps by
+Increase the serial output speed to the maximum of 115,200 bps by
 modifying the call to @func{set_serial} in @func{serial_init_poll} in
 @file{devices/serial.c}.
 @end itemize