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diff --git a/drivers/infiniband/hw/ehca/Kconfig b/drivers/infiniband/hw/ehca/Kconfig
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+config INFINIBAND_EHCA
+ tristate "eHCA support"
+ depends on IBMEBUS && INFINIBAND
+ ---help---
+ This driver supports the IBM pSeries eHCA InfiniBand adapter.
+
+ To compile the driver as a module, choose M here. The module
+ will be called ib_ehca.
+
+config INFINIBAND_EHCA_SCALING
+ bool "Scaling support (EXPERIMENTAL)"
+ depends on IBMEBUS && INFINIBAND_EHCA && HOTPLUG_CPU && EXPERIMENTAL
+ ---help---
+ eHCA scaling support schedules the CQ callbacks to different CPUs.
+
+ To enable this feature choose Y here.