Add CONFIG_KVM_XO for supporting KVM based execute only memory. Signed-off-by: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx> --- arch/x86/Kconfig | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 222855cc0158..3a3af2a456e8 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -802,6 +802,19 @@ config KVM_GUEST underlying device model, the host provides the guest with timing infrastructure such as time of day, and system time +config KVM_XO + bool "Support for KVM based execute only virtual memory permissions" + select DYNAMIC_PHYSICAL_MASK + select SPARSEMEM_VMEMMAP + depends on KVM_GUEST && X86_64 + default y + help + This option enables support for execute only memory for KVM guests. If + support from the underlying VMM is not detected at boot, this + capability will automatically disable. + + If you are unsure how to answer this question, answer Y. + config PVH bool "Support for running PVH guests" ---help--- -- 2.17.1
