From: Bharata B Rao <bharata@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: linuxram@us.ibm.com, cclaudio@linux.ibm.com,
kvm-ppc@vger.kernel.org, Bharata B Rao <bharata@linux.ibm.com>,
linux-mm@kvack.org, jglisse@redhat.com,
aneesh.kumar@linux.vnet.ibm.com, paulus@au1.ibm.com,
sukadev@linux.vnet.ibm.com, hch@lst.de,
Anshuman Khandual <khandual@linux.vnet.ibm.com>
Subject: [PATCH v8 8/8] KVM: PPC: Ultravisor: Add PPC_UV config option
Date: Tue, 10 Sep 2019 13:59:46 +0530 [thread overview]
Message-ID: <20190910082946.7849-9-bharata@linux.ibm.com> (raw)
In-Reply-To: <20190910082946.7849-1-bharata@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 | 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
next prev parent reply other threads:[~2019-09-10 8:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-10 8:29 [PATCH v8 0/8] kvmppc: Driver to manage pages of secure guest Bharata B Rao
2019-09-10 8:29 ` [PATCH v8 1/8] KVM: PPC: Book3S HV: Define usage types for rmap array in guest memslot Bharata B Rao
2019-09-10 8:29 ` [PATCH v8 2/8] kvmppc: Movement of pages between normal and secure memory Bharata B Rao
2019-09-10 9:36 ` Bharata B Rao
2019-09-17 23:31 ` Sukadev Bhattiprolu
2019-09-18 7:12 ` Bharata B Rao
2019-09-18 10:47 ` Bharata B Rao
2019-09-10 8:29 ` [PATCH v8 3/8] kvmppc: Shared pages support for secure guests Bharata B Rao
2019-09-17 23:33 ` Sukadev Bhattiprolu
2019-09-10 8:29 ` [PATCH v8 4/8] kvmppc: H_SVM_INIT_START and H_SVM_INIT_DONE hcalls Bharata B Rao
2019-09-17 23:35 ` Sukadev Bhattiprolu
2019-09-18 7:16 ` Bharata B Rao
2019-09-10 8:29 ` [PATCH v8 5/8] kvmppc: Handle memory plug/unplug to secure VM Bharata B Rao
2019-09-10 8:29 ` [PATCH v8 6/8] kvmppc: Radix changes for secure guest Bharata B Rao
2019-09-10 8:29 ` [PATCH v8 7/8] kvmppc: Support reset of " Bharata B Rao
2019-09-17 23:27 ` Sukadev Bhattiprolu
2019-09-18 7:21 ` Bharata B Rao
2019-09-10 8:29 ` Bharata B Rao [this message]
2019-09-17 23:37 ` [PATCH v8 8/8] KVM: PPC: Ultravisor: Add PPC_UV config option Sukadev Bhattiprolu
2019-09-18 7:23 ` Bharata B Rao
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