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| author | John Kacur <jkacur@redhat.com> | 2016-06-17 15:05:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-10 16:55:04 +0200 |
| commit | 99e9d958726c04cec3e36902d8583fdd8cb5b1bb (patch) | |
| tree | a7497b1a88ece09a13d062432492f8671d976855 /Documentation/filesystems/proc.txt | |
| parent | b79efd345361667f7d81da765b8d61f631209c3d (diff) | |
| download | lwn-99e9d958726c04cec3e36902d8583fdd8cb5b1bb.tar.gz lwn-99e9d958726c04cec3e36902d8583fdd8cb5b1bb.zip | |
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/filesystems/proc.txt')
| -rw-r--r-- | Documentation/filesystems/proc.txt | 2 |
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: |