Re: [PATCH v8 8/8] KVM: PPC: Ultravisor: Add PPC_UV config option
On Tue, Sep 17, 2019 at 04:37:07PM -0700, Sukadev Bhattiprolu wrote: > Bharata B Rao [bhar...@linux.ibm.com] wrote: > > From: Anshuman Khandual > > > > CONFIG_PPC_UV adds support for ultravisor. > > > > Signed-off-by: Anshuman Khandual > > Signed-off-by: Bharata B Rao > > Signed-off-by: Ram Pai > > [ Update config help and commit message ] > > Signed-off-by: Claudio Carvalho > > Except for one question in Patch 2, the patch series looks good to me. > > Reviewed-by: Sukadev Bhattiprolu Thanks! Regards, Bharata.
Re: [PATCH v8 8/8] KVM: PPC: Ultravisor: Add PPC_UV config option
Bharata B Rao [bhar...@linux.ibm.com] wrote: > From: Anshuman Khandual > > CONFIG_PPC_UV adds support for ultravisor. > > Signed-off-by: Anshuman Khandual > Signed-off-by: Bharata B Rao > Signed-off-by: Ram Pai > [ Update config help and commit message ] > Signed-off-by: Claudio Carvalho Except for one question in Patch 2, the patch series looks good to me. Reviewed-by: Sukadev Bhattiprolu
[PATCH v8 8/8] KVM: PPC: Ultravisor: Add PPC_UV config option
From: Anshuman Khandual CONFIG_PPC_UV adds support for ultravisor. Signed-off-by: Anshuman Khandual Signed-off-by: Bharata B Rao Signed-off-by: Ram Pai [ Update config help and commit message ] Signed-off-by: Claudio Carvalho --- arch/powerpc/Kconfig | 17 + 1 file changed, 17 insertions(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d8dcd8820369..044838794112 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -448,6 +448,23 @@ 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 -- 2.21.0
