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author | Anshuman Khandual <khandual@linux.vnet.ibm.com> | 2019-11-25 08:36:31 +0530 |
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committer | Paul Mackerras <paulus@ozlabs.org> | 2019-11-26 14:33:27 +1100 |
commit | 177707824f27d258cf5e20f1a122570e3df011b4 (patch) | |
tree | a4f400971d082a4d8965a628e2e346312d956da1 | |
parent | 00f7fbb87d4048154428f939a0384217f2874cf3 (diff) | |
download | powerpc-177707824f27d258cf5e20f1a122570e3df011b4.tar.gz |
powerpc: Ultravisor: Add PPC_UV config option
Notice: this object is not reachable from any branch.
kvm-ppc-uvmem-5.5CONFIG_PPC_UV adds support for ultravisor.
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
[ Update config help and commit message ]
Signed-off-by: Claudio Carvalho <cclaudio@linux.ibm.com>
Reviewed-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Notice: this object is not reachable from any branch.
-rw-r--r-- | arch/powerpc/Kconfig | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 3e56c9c2f16ee..d7fef29b47c95 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -451,6 +451,23 @@ config PPC_TRANSACTIONAL_MEM help Support user-mode Transactional Memory on POWERPC. +config PPC_UV + bool "Ultravisor support" + depends on KVM_BOOK3S_HV_POSSIBLE + select ZONE_DEVICE + select DEV_PAGEMAP_OPS + select DEVICE_PRIVATE + select MEMORY_HOTPLUG + select MEMORY_HOTREMOVE + default n + help + This option paravirtualizes the kernel to run in POWER platforms that + supports the Protected Execution Facility (PEF). On such platforms, + the ultravisor firmware runs at a privilege level above the + hypervisor. + + If unsure, say "N". + config LD_HEAD_STUB_CATCH bool "Reserve 256 bytes to cope with linker stubs in HEAD text" if EXPERT depends on PPC64 |