diff options
Diffstat (limited to 'drivers/hv/Kconfig')
| -rw-r--r-- | drivers/hv/Kconfig | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig index 00242107d62e..1cd188b73b74 100644 --- a/drivers/hv/Kconfig +++ b/drivers/hv/Kconfig @@ -5,17 +5,19 @@ menu "Microsoft Hyper-V guest support" config HYPERV tristate "Microsoft Hyper-V client drivers" depends on (X86 && X86_LOCAL_APIC && HYPERVISOR_GUEST) \ - || (ACPI && ARM64 && !CPU_BIG_ENDIAN) + || (ARM64 && !CPU_BIG_ENDIAN) select PARAVIRT select X86_HV_CALLBACK_VECTOR if X86 select OF_EARLY_FLATTREE if OF + select SYSFB if !HYPERV_VTL_MODE help Select this option to run Linux as a Hyper-V client operating system. config HYPERV_VTL_MODE bool "Enable Linux to boot in VTL context" - depends on X86_64 && HYPERV + depends on (X86_64 || ARM64) && HYPERV + depends on SMP default n help Virtual Secure Mode (VSM) is a set of hypervisor capabilities and @@ -30,7 +32,7 @@ config HYPERV_VTL_MODE Select this option to build a Linux kernel to run at a VTL other than the normal VTL0, which currently is only VTL2. This option - initializes the x86 platform for VTL2, and adds the ability to boot + initializes the kernel to run in VTL2, and adds the ability to boot secondary CPUs directly into 64-bit context as required for VTLs other than 0. A kernel built with this option must run at VTL2, and will not run as a normal guest. @@ -54,4 +56,21 @@ config HYPERV_BALLOON help Select this option to enable Hyper-V Balloon driver. +config MSHV_ROOT + tristate "Microsoft Hyper-V root partition support" + depends on HYPERV && (X86_64 || ARM64) + depends on !HYPERV_VTL_MODE + # The hypervisor interface operates on 4k pages. Enforcing it here + # simplifies many assumptions in the root partition code. + # e.g. When withdrawing memory, the hypervisor gives back 4k pages in + # no particular order, making it impossible to reassemble larger pages + depends on PAGE_SIZE_4KB + select EVENTFD + default n + help + Select this option to enable support for booting and running as root + partition on Microsoft Hyper-V. + + If unsure, say N. + endmenu |