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 v6 7/7] KVM: PPC: Ultravisor: Add PPC_UV config option
Date: Fri, 9 Aug 2019 14:11:08 +0530 [thread overview]
Message-ID: <20190809084108.30343-8-bharata@linux.ibm.com> (raw)
In-Reply-To: <20190809084108.30343-1-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 | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index d8dcd8820369..8b36ca5ed3b0 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -448,6 +448,24 @@ 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 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
--
2.21.0
prev parent reply other threads:[~2019-08-09 8:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-09 8:41 [PATCH v6 0/7] KVMPPC driver to manage secure guest pages Bharata B Rao
2019-08-09 8:41 ` [PATCH v6 1/7] kvmppc: Driver to manage pages of secure guest Bharata B Rao
2019-08-10 10:58 ` Christoph Hellwig
2019-08-10 14:21 ` Bharata B Rao
2019-08-20 3:04 ` Thiago Jung Bauermann
2019-08-22 3:29 ` Bharata B Rao
2019-08-20 6:22 ` Suraj Jitindar Singh
2019-08-20 6:44 ` Bharata B Rao
2019-08-09 8:41 ` [PATCH v6 2/7] kvmppc: Shared pages support for secure guests Bharata B Rao
2019-08-09 8:41 ` [PATCH v6 3/7] kvmppc: H_SVM_INIT_START and H_SVM_INIT_DONE hcalls Bharata B Rao
2019-08-09 8:41 ` [PATCH v6 4/7] kvmppc: Handle memory plug/unplug to secure VM Bharata B Rao
2019-08-09 8:41 ` [PATCH v6 5/7] kvmppc: Radix changes for secure guest Bharata B Rao
2019-08-09 8:41 ` [PATCH v6 6/7] kvmppc: Support reset of " Bharata B Rao
2019-08-09 8:41 ` Bharata B Rao [this message]
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