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Diffstat (limited to 'Documentation/networking/scaling.rst')
| -rw-r--r-- | Documentation/networking/scaling.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/networking/scaling.rst b/Documentation/networking/scaling.rst index f78d7bf27ff5..3d435caa3ef2 100644 --- a/Documentation/networking/scaling.rst +++ b/Documentation/networking/scaling.rst @@ -81,7 +81,7 @@ of queues to IRQs can be determined from /proc/interrupts. By default, an IRQ may be handled on any CPU. Because a non-negligible part of packet processing takes place in receive interrupt handling, it is advantageous to spread receive interrupts between CPUs. To manually adjust the IRQ -affinity of each interrupt see Documentation/IRQ-affinity.txt. Some systems +affinity of each interrupt see Documentation/core-api/irq/irq-affinity.rst. Some systems will be running irqbalance, a daemon that dynamically optimizes IRQ assignments and as a result may override any manual settings. @@ -160,7 +160,7 @@ can be configured for each receive queue using a sysfs file entry:: This file implements a bitmap of CPUs. RPS is disabled when it is zero (the default), in which case packets are processed on the interrupting -CPU. Documentation/IRQ-affinity.txt explains how CPUs are assigned to +CPU. Documentation/core-api/irq/irq-affinity.rst explains how CPUs are assigned to the bitmap. @@ -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:: |