summaryrefslogtreecommitdiffstats
path: root/c-user/symmetric_multiprocessing_services.rst
diff options
context:
space:
mode:
Diffstat (limited to 'c-user/symmetric_multiprocessing_services.rst')
-rw-r--r--c-user/symmetric_multiprocessing_services.rst12
1 files changed, 6 insertions, 6 deletions
diff --git a/c-user/symmetric_multiprocessing_services.rst b/c-user/symmetric_multiprocessing_services.rst
index 38581ac..11b04da 100644
--- a/c-user/symmetric_multiprocessing_services.rst
+++ b/c-user/symmetric_multiprocessing_services.rst
@@ -265,7 +265,7 @@ Disable Interrupts and Interrupt Locks
A low overhead means to ensure mutual exclusion in uni-processor configurations
is to disable interrupts around a critical section. This is commonly used in
-device driver code and throughout the operating system core. On SMP
+device driver code and throughout the operating system core. In SMP
configurations, however, disabling the interrupts on one processor has no
effect on other processors. So, this is insufficient to ensure system wide
mutual exclusion. The macros
@@ -276,7 +276,7 @@ mutual exclusion. The macros
- ``rtems_interrupt_flush()``
-are disabled on SMP configurations and its use will lead to compiler warnings
+are disabled in SMP configurations and its use will lead to compiler warnings
and linker errors. In the unlikely case that interrupts must be disabled on
the current processor, then the
@@ -522,9 +522,9 @@ DIRECTIVE STATUS CODES:
The count of processors in the system.
DESCRIPTION:
- On uni-processor configurations a value of one will be returned.
+ In uni-processor configurations, a value of one will be returned.
- On SMP configurations this returns the value of a global variable set
+ In SMP configurations, this returns the value of a global variable set
during system initialization to indicate the count of utilized processors.
The processor count depends on the physically or virtually available
processors and application configuration. The value will always be less
@@ -551,9 +551,9 @@ DIRECTIVE STATUS CODES:
The index of the current processor.
DESCRIPTION:
- On uni-processor configurations a value of zero will be returned.
+ In uni-processor configurations, a value of zero will be returned.
- On SMP configurations an architecture specific method is used to obtain the
+ In SMP configurations, an architecture specific method is used to obtain the
index of the current processor in the system. The set of processor indices
is the range of integers starting with zero up to the processor count minus
one.