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authorZhu Lingshan <lingshan.zhu@intel.com>2020-07-31 14:55:31 +0800
committerMichael S. Tsirkin <mst@redhat.com>2020-08-05 11:08:42 -0400
commit2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60 (patch)
tree6d2fa4bd5ae1238f4fd996cadb4c821f367d0be0 /drivers/vhost/Kconfig
parent7164675ab5caf46867d6a5448f4ff3af92d80a30 (diff)
downloadlinux-2cf1ba9a4d15cb78b96ea97f727b93382c3f9a60.tar.bz2
vhost_vdpa: implement IRQ offloading in vhost_vdpa
This patch introduce a set of functions for setup/unsetup and update irq offloading respectively by register/unregister and re-register the irq_bypass_producer. With these functions, this commit can setup/unsetup irq offloading through setting DRIVER_OK/!DRIVER_OK, and update irq offloading through SET_VRING_CALL. Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com> Suggested-by: Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/20200731065533.4144-5-lingshan.zhu@intel.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vhost/Kconfig')
-rw-r--r--drivers/vhost/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig
index d3688c6afb87..587fbae06182 100644
--- a/drivers/vhost/Kconfig
+++ b/drivers/vhost/Kconfig
@@ -65,6 +65,7 @@ config VHOST_VDPA
tristate "Vhost driver for vDPA-based backend"
depends on EVENTFD
select VHOST
+ select IRQ_BYPASS_MANAGER
depends on VDPA
help
This kernel module can be loaded in host kernel to accelerate