This is to be enabled on a guest. Currently, only
'module' works; compiling it in freezes at HD bringup
Signed-off-by: Amit Shah <[email protected]>
---
drivers/kvm/Kconfig | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/kvm/Kconfig b/drivers/kvm/Kconfig
index 6569206..3385c10 100644
--- a/drivers/kvm/Kconfig
+++ b/drivers/kvm/Kconfig
@@ -47,6 +47,14 @@ config KVM_AMD
Provides support for KVM on AMD processors equipped with the AMD-V
(SVM) extensions.
+config KVM_PV_DMA
+ tristate "Para-virtualized DMA access"
+ ---help---
+ Provides support for DMA operations in the guest. A hypercall
+ is raised to the host to enable devices owned by guest to use
+ DMA. Select this if compiling a guest kernel and you need
+ paravirtualized DMA operations.
+
# OK, it's a little counter-intuitive to do this, but it puts it neatly under
# the virtualization menu.
source drivers/lguest/Kconfig
--
1.5.3
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