From: Bharata B Rao <bharata@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org,
linux-mm@kvack.org
Cc: paulus@au1.ibm.com, aneesh.kumar@linux.vnet.ibm.com,
jglisse@redhat.com, cclaudio@linux.ibm.com, linuxram@us.ibm.com,
sukadev@linux.vnet.ibm.com, hch@lst.de,
Anshuman Khandual <khandual@linux.vnet.ibm.com>,
Bharata B Rao <bharata@linux.ibm.com>,
Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Subject: [PATCH v10 8/8] KVM: PPC: Ultravisor: Add PPC_UV config option
Date: Mon, 4 Nov 2019 09:48:00 +0530 [thread overview]
Message-ID: <20191104041800.24527-9-bharata@linux.ibm.com> (raw)
In-Reply-To: <20191104041800.24527-1-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>
Reviewed-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
---
arch/powerpc/Kconfig | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3e56c9c2f16e..d7fef29b47c9 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -451,6 +451,23 @@ 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:[~2019-11-04 4:18 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-04 4:17 [PATCH v10 0/8] KVM: PPC: Driver to manage pages of secure guest Bharata B Rao
2019-11-04 4:17 ` [PATCH v10 1/8] mm: ksm: Export ksm_madvise() Bharata B Rao
2019-11-06 4:33 ` Paul Mackerras
2019-11-06 6:45 ` Bharata B Rao
2019-11-07 5:45 ` Paul Mackerras
2019-11-15 14:10 ` Bharata B Rao
2019-11-04 4:17 ` [PATCH v10 2/8] KVM: PPC: Support for running secure guests Bharata B Rao
2019-11-06 4:34 ` Paul Mackerras
2019-11-04 4:17 ` [PATCH v10 3/8] KVM: PPC: Shared pages support for " Bharata B Rao
2019-11-06 4:52 ` Paul Mackerras
2019-11-06 8:22 ` Bharata B Rao
2019-11-06 8:29 ` Bharata B Rao
2019-11-04 4:17 ` [PATCH v10 4/8] KVM: PPC: Radix changes for secure guest Bharata B Rao
2019-11-06 5:58 ` Paul Mackerras
2019-11-06 8:36 ` Bharata B Rao
2019-11-04 4:17 ` [PATCH v10 5/8] KVM: PPC: Handle memory plug/unplug to secure VM Bharata B Rao
2019-11-11 4:25 ` Paul Mackerras
2019-11-04 4:17 ` [PATCH v10 6/8] KVM: PPC: Support reset of secure guest Bharata B Rao
2019-11-11 5:28 ` Paul Mackerras
2019-11-11 6:55 ` Bharata B Rao
2019-11-12 5:34 ` Paul Mackerras
2019-11-13 15:29 ` Bharata B Rao
2019-11-14 5:07 ` Paul Mackerras
2019-11-04 4:17 ` [PATCH v10 7/8] KVM: PPC: Implement H_SVM_INIT_ABORT hcall Bharata B Rao
2019-11-11 4:19 ` Paul Mackerras
2019-11-12 1:01 ` Ram Pai
2019-11-12 5:38 ` Paul Mackerras
2019-11-12 7:52 ` Ram Pai
2019-11-12 11:32 ` Paul Mackerras
2019-11-12 14:45 ` Ram Pai
2019-11-13 0:14 ` Paul Mackerras
2019-11-13 6:32 ` Ram Pai
2019-11-13 21:18 ` Paul Mackerras
2019-11-13 21:50 ` Ram Pai
2019-11-14 5:08 ` Paul Mackerras
2019-11-14 7:02 ` Ram Pai
2019-11-04 4:18 ` Bharata B Rao [this message]
2019-11-06 4:30 ` [PATCH v10 0/8] KVM: PPC: Driver to manage pages of secure guest Paul Mackerras
2019-11-06 6:20 ` Bharata B Rao
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