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docs: networking: update XPS to account for netif_set_xps_queue

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With the introduction of netif_set_xps_queue, XPS can be enabled
by the driver at initialization.

Update the documentation to reflect this, as otherwise users
may incorrectly believe that the feature is off by default.

Fixes: 537c00de1c ("net: Add functions netif_reset_xps_queue and netif_set_xps_queue")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Willem de Bruijn 2020-10-13 15:45:08 -04:00 committed by Jakub Kicinski
parent 64a632da53
commit 254941f323
1 changed files with 3 additions and 3 deletions
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6
Documentation/networking/scaling.rst
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@ -465,9 +465,9 @@ XPS Configuration
-----------------
XPS is only available if the kconfig symbol CONFIG_XPS is enabled (on by
default for SMP). The functionality remains disabled until explicitly
configured. To enable XPS, the bitmap of CPUs/receive-queues that may
use a transmit queue is configured using the sysfs file entry:
default for SMP). If compiled in, it is driver dependent whether, and
how, XPS is configured at device init. The mapping of CPUs/receive-queues
to transmit queue can be inspected and configured using sysfs:
For selection based on CPUs map::