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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-04 11:08:30 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-04 11:08:30 -0800 |
| commit | aedc0650f9135f3b92b39cbed1a8fe98d8088825 (patch) | |
| tree | 2b9a019d58eb2d485f1d264d988aa26f19e2635d /arch/powerpc/Kconfig | |
| parent | Merge tag 'riscv/for-v5.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux (diff) | |
| parent | kvm: vmx: Stop wasting a page for guest_msrs (diff) | |
| download | wireguard-linux-aedc0650f9135f3b92b39cbed1a8fe98d8088825.tar.xz wireguard-linux-aedc0650f9135f3b92b39cbed1a8fe98d8088825.zip | |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more KVM updates from Paolo Bonzini:
- PPC secure guest support
- small x86 cleanup
- fix for an x86-specific out-of-bounds write on a ioctl (not guest
triggerable, data not attacker-controlled)
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: vmx: Stop wasting a page for guest_msrs
KVM: x86: fix out-of-bounds write in KVM_GET_EMULATED_CPUID (CVE-2019-19332)
Documentation: kvm: Fix mention to number of ioctls classes
powerpc: Ultravisor: Add PPC_UV config option
KVM: PPC: Book3S HV: Support reset of secure guest
KVM: PPC: Book3S HV: Handle memory plug/unplug to secure VM
KVM: PPC: Book3S HV: Radix changes for secure guest
KVM: PPC: Book3S HV: Shared pages support for secure guests
KVM: PPC: Book3S HV: Support for running secure guests
mm: ksm: Export ksm_madvise()
KVM x86: Move kvm cpuid support out of svm
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 e446bb5b3f8d..1ec34e16ed65 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -452,6 +452,23 @@ 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 |