diff options
Diffstat (limited to 'Documentation/core-api/irq/irq-affinity.rst')
| -rw-r--r-- | Documentation/core-api/irq/irq-affinity.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/core-api/irq/irq-affinity.rst b/Documentation/core-api/irq/irq-affinity.rst index 29da5000836a..9cb460cf60b6 100644 --- a/Documentation/core-api/irq/irq-affinity.rst +++ b/Documentation/core-api/irq/irq-affinity.rst @@ -9,9 +9,9 @@ ChangeLog: /proc/irq/IRQ#/smp_affinity and /proc/irq/IRQ#/smp_affinity_list specify which target CPUs are permitted for a given IRQ source. It's a bitmask -(smp_affinity) or cpu list (smp_affinity_list) of allowed CPUs. It's not +(smp_affinity) or CPU list (smp_affinity_list) of allowed CPUs. It's not allowed to turn off all CPUs, and if an IRQ controller does not support -IRQ affinity then the value will not change from the default of all cpus. +IRQ affinity then the value will not change from the default of all CPUs. /proc/irq/default_smp_affinity specifies default affinity mask that applies to all non-active IRQs. Once IRQ is allocated/activated its affinity bitmask @@ -60,7 +60,7 @@ Now lets restrict that IRQ to CPU(4-7). This time around IRQ44 was delivered only to the last four processors. i.e counters for the CPU0-3 did not change. -Here is an example of limiting that same irq (44) to cpus 1024 to 1031:: +Here is an example of limiting that same IRQ (44) to CPUs 1024 to 1031:: [root@moon 44]# echo 1024-1031 > smp_affinity_list [root@moon 44]# cat smp_affinity_list |