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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2019-12-22 13:18:15 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-12-22 13:18:15 +0100 |
| commit | d68321dec1b2234fb32f423e32c3af5915eae36c (patch) | |
| tree | 7c62b2c76d62ab607238bc2cccc24eed0b32687a /arch/powerpc/Kconfig | |
| parent | MAINTAINERS: remove Radim from KVM maintainers (diff) | |
| parent | KVM: PPC: Book3S HV: Don't do ultravisor calls on systems without ultravisor (diff) | |
| download | linux-dev-d68321dec1b2234fb32f423e32c3af5915eae36c.tar.xz linux-dev-d68321dec1b2234fb32f423e32c3af5915eae36c.zip | |
Merge tag 'kvm-ppc-fixes-5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-master
PPC KVM fix for 5.5
- Fix a bug where we try to do an ultracall on a system without an
ultravisor.
Diffstat (limited to 'arch/powerpc/Kconfig')
| -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 3e56c9c2f16e..d7fef29b47c9 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 |