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authorJohn Kacur <jkacur@redhat.com>2016-06-17 15:05:15 +0200
committerIngo Molnar <mingo@kernel.org>2016-07-10 16:55:04 +0200
commit99e9d958726c04cec3e36902d8583fdd8cb5b1bb (patch)
treea7497b1a88ece09a13d062432492f8671d976855 /Documentation
parentb79efd345361667f7d81da765b8d61f631209c3d (diff)
irq/Documentation: Correct result of echnoing 5 to smp_affinity
This command: echo 5 > /proc/irq/10/smp_affinity means only the first and third (not fourth) CPUs can handle irqs That is, CPU0 is the first CPU and CPU2 is the third cpu Signed-off-by: John Kacur <jkacur@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1466168715-8410-1-git-send-email-jkacur@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/filesystems/proc.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index e8d00759bfa5..5b61eeae3f6e 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -725,7 +725,7 @@ IRQ, you can set it by doing:
> echo 1 > /proc/irq/10/smp_affinity
This means that only the first CPU will handle the IRQ, but you can also echo
-5 which means that only the first and fourth CPU can handle the IRQ.
+5 which means that only the first and third CPU can handle the IRQ.
The contents of each smp_affinity file is the same by default: