From: Claudio Carvalho <cclaudio@linux•ibm.com>
To: Paul Mackerras <paulus@ozlabs•org>,
Michael Ellerman <mpe@ellerman•id.au>,
kvm-ppc@vger•kernel.org, linuxppc-dev@ozlabs•org
Cc: Madhavan Srinivasan <maddy@linux•vnet.ibm.com>,
Michael Anderson <andmike@linux•ibm.com>,
Ram Pai <linuxram@us•ibm.com>,
Bharata B Rao <bharata@linux•ibm.com>,
Sukadev Bhattiprolu <sukadev@linux•vnet.ibm.com>,
Thiago Jung Bauermann <bauerman@linux•ibm.com>,
Anshuman Khandual <khandual@linux•vnet.ibm.com>
Subject: [RFC PATCH v2 01/10] KVM: PPC: Ultravisor: Add PPC_UV config option
Date: Sat, 18 May 2019 11:25:15 -0300 [thread overview]
Message-ID: <20190518142524.28528-2-cclaudio@linux.ibm.com> (raw)
In-Reply-To: <20190518142524.28528-1-cclaudio@linux.ibm.com>
From: Anshuman Khandual <khandual@linux•vnet.ibm.com>
CONFIG_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>
---
arch/powerpc/Kconfig | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2711aac24621..894171c863bc 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -438,6 +438,26 @@ 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 HMM_MIRROR
+ select HMM
+ select ZONE_DEVICE
+ select MIGRATE_VMA_HELPER
+ 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). In 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
--
2.20.1
next prev parent reply other threads:[~2019-05-18 14:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-18 14:25 [RFC PATCH v2 00/10] kvmppc: Paravirtualize KVM to support ultravisor Claudio Carvalho
2019-05-18 14:25 ` Claudio Carvalho [this message]
2019-05-18 14:25 ` [RFC PATCH v2 02/10] KVM: PPC: Ultravisor: Introduce the MSR_S bit Claudio Carvalho
2019-05-18 14:25 ` [RFC PATCH v2 03/10] powerpc: Introduce FW_FEATURE_ULTRAVISOR Claudio Carvalho
2019-05-18 14:25 ` [RFC PATCH v2 04/10] KVM: PPC: Ultravisor: Add generic ultravisor call handler Claudio Carvalho
2019-05-18 14:25 ` [RFC PATCH v2 05/10] KVM: PPC: Ultravisor: Use UV_WRITE_PATE ucall to register a PATE Claudio Carvalho
2019-05-18 14:25 ` [RFC PATCH v2 06/10] KVM: PPC: Ultravisor: Restrict flush of the partition tlb cache Claudio Carvalho
2019-05-18 14:25 ` [RFC PATCH v2 07/10] KVM: PPC: Ultravisor: Restrict LDBAR access Claudio Carvalho
2019-05-20 5:43 ` Paul Mackerras
2019-05-21 5:24 ` Madhavan Srinivasan
2019-05-30 22:51 ` Claudio Carvalho
2019-05-18 14:25 ` [RFC PATCH v2 08/10] KVM: PPC: Ultravisor: Return to UV for hcalls from SVM Claudio Carvalho
2019-05-20 6:17 ` Paul Mackerras
2019-05-18 14:25 ` [RFC PATCH v2 09/10] KVM: PPC: Book3S HV: Fixed for running secure guests Claudio Carvalho
2019-05-20 6:40 ` Paul Mackerras
2019-05-18 14:25 ` [RFC PATCH v2 10/10] KVM: PPC: Ultravisor: Check for MSR_S during hv_reset_msr Claudio Carvalho
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