From: Fuad Tabba <tabba@google.com>
To: kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mm@kvack.org
Cc: pbonzini@redhat.com, chenhuacai@kernel.org, mpe@ellerman.id.au,
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fvdl@google.com, hughd@google.com, jthoughton@google.com,
peterx@redhat.com, pankaj.gupta@amd.com, tabba@google.com
Subject: [PATCH v8 02/13] KVM: Rename CONFIG_KVM_GENERIC_PRIVATE_MEM to CONFIG_KVM_GENERIC_GMEM_POPULATE
Date: Wed, 30 Apr 2025 17:56:44 +0100 [thread overview]
Message-ID: <20250430165655.605595-3-tabba@google.com> (raw)
In-Reply-To: <20250430165655.605595-1-tabba@google.com>
The option KVM_GENERIC_PRIVATE_MEM enables populating a GPA range with
guest data. Rename it to KVM_GENERIC_GMEM_POPULATE to make its purpose
clearer.
Co-developed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Fuad Tabba <tabba@google.com>
---
arch/x86/kvm/Kconfig | 4 ++--
include/linux/kvm_host.h | 2 +-
virt/kvm/Kconfig | 2 +-
virt/kvm/guest_memfd.c | 2 +-
4 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index fe8ea8c097de..b37258253543 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -46,7 +46,7 @@ config KVM_X86
select HAVE_KVM_PM_NOTIFIER if PM
select KVM_GENERIC_HARDWARE_ENABLING
select KVM_GENERIC_PRE_FAULT_MEMORY
- select KVM_GENERIC_PRIVATE_MEM if KVM_SW_PROTECTED_VM
+ select KVM_GENERIC_GMEM_POPULATE if KVM_SW_PROTECTED_VM
select KVM_WERROR if WERROR
config KVM
@@ -145,7 +145,7 @@ config KVM_AMD_SEV
depends on KVM_AMD && X86_64
depends on CRYPTO_DEV_SP_PSP && !(KVM_AMD=y && CRYPTO_DEV_CCP_DD=m)
select ARCH_HAS_CC_PLATFORM
- select KVM_GENERIC_PRIVATE_MEM
+ select KVM_GENERIC_GMEM_POPULATE
select HAVE_KVM_ARCH_GMEM_PREPARE
select HAVE_KVM_ARCH_GMEM_INVALIDATE
help
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index d6900995725d..7ca23837fa52 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -2533,7 +2533,7 @@ static inline int kvm_gmem_get_pfn(struct kvm *kvm,
int kvm_arch_gmem_prepare(struct kvm *kvm, gfn_t gfn, kvm_pfn_t pfn, int max_order);
#endif
-#ifdef CONFIG_KVM_GENERIC_PRIVATE_MEM
+#ifdef CONFIG_KVM_GENERIC_GMEM_POPULATE
/**
* kvm_gmem_populate() - Populate/prepare a GPA range with guest data
*
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index 49df4e32bff7..559c93ad90be 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -116,7 +116,7 @@ config KVM_GMEM
select XARRAY_MULTI
bool
-config KVM_GENERIC_PRIVATE_MEM
+config KVM_GENERIC_GMEM_POPULATE
select KVM_GENERIC_MEMORY_ATTRIBUTES
select KVM_GMEM
bool
diff --git a/virt/kvm/guest_memfd.c b/virt/kvm/guest_memfd.c
index b2aa6bf24d3a..befea51bbc75 100644
--- a/virt/kvm/guest_memfd.c
+++ b/virt/kvm/guest_memfd.c
@@ -638,7 +638,7 @@ int kvm_gmem_get_pfn(struct kvm *kvm, struct kvm_memory_slot *slot,
}
EXPORT_SYMBOL_GPL(kvm_gmem_get_pfn);
-#ifdef CONFIG_KVM_GENERIC_PRIVATE_MEM
+#ifdef CONFIG_KVM_GENERIC_GMEM_POPULATE
long kvm_gmem_populate(struct kvm *kvm, gfn_t start_gfn, void __user *src, long npages,
kvm_gmem_populate_cb post_populate, void *opaque)
{
--
2.49.0.901.g37484f566f-goog
next prev parent reply other threads:[~2025-04-30 16:57 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-30 16:56 [PATCH v8 00/13] KVM: Mapping guest_memfd backed memory at the host for software protected VMs Fuad Tabba
2025-04-30 16:56 ` [PATCH v8 01/13] KVM: Rename CONFIG_KVM_PRIVATE_MEM to CONFIG_KVM_GMEM Fuad Tabba
2025-05-01 17:38 ` Ira Weiny
2025-04-30 16:56 ` Fuad Tabba [this message]
2025-05-01 18:10 ` [PATCH v8 02/13] KVM: Rename CONFIG_KVM_GENERIC_PRIVATE_MEM to CONFIG_KVM_GENERIC_GMEM_POPULATE Ira Weiny
2025-05-02 6:44 ` David Hildenbrand
2025-05-02 14:24 ` Ira Weiny
2025-04-30 16:56 ` [PATCH v8 03/13] KVM: Rename kvm_arch_has_private_mem() to kvm_arch_supports_gmem() Fuad Tabba
2025-05-01 18:18 ` Ira Weiny
2025-04-30 16:56 ` [PATCH v8 04/13] KVM: x86: Rename kvm->arch.has_private_mem to kvm->arch.supports_gmem Fuad Tabba
2025-05-01 18:19 ` Ira Weiny
2025-04-30 16:56 ` [PATCH v8 05/13] KVM: Rename kvm_slot_can_be_private() to kvm_slot_has_gmem() Fuad Tabba
2025-05-01 21:37 ` Ira Weiny
2025-04-30 16:56 ` [PATCH v8 06/13] KVM: x86: Generalize private fault lookups to guest_memfd fault lookups Fuad Tabba
2025-04-30 18:58 ` Ackerley Tng
2025-05-01 9:53 ` Fuad Tabba
2025-05-02 15:04 ` David Hildenbrand
2025-05-02 16:21 ` Sean Christopherson
2025-05-02 22:00 ` Ackerley Tng
2025-05-05 8:01 ` David Hildenbrand
2025-05-05 22:57 ` Sean Christopherson
2025-05-06 5:17 ` Vishal Annapurve
2025-05-06 5:28 ` Vishal Annapurve
2025-05-06 13:58 ` Sean Christopherson
2025-05-06 14:15 ` David Hildenbrand
2025-05-06 20:46 ` Ackerley Tng
2025-05-08 14:12 ` Sean Christopherson
2025-05-08 14:46 ` David Hildenbrand
2025-05-09 21:04 ` James Houghton
2025-05-09 22:29 ` David Hildenbrand
2025-05-09 22:38 ` James Houghton
2025-05-06 19:27 ` Ackerley Tng
2025-05-05 23:09 ` Ackerley Tng
2025-05-05 23:17 ` Sean Christopherson
2025-05-01 21:38 ` Ira Weiny
2025-04-30 16:56 ` [PATCH v8 07/13] KVM: Fix comments that refer to slots_lock Fuad Tabba
2025-04-30 21:30 ` David Hildenbrand
2025-05-01 21:43 ` Ira Weiny
2025-05-02 12:07 ` Fuad Tabba
2025-04-30 16:56 ` [PATCH v8 08/13] KVM: guest_memfd: Allow host to map guest_memfd() pages Fuad Tabba
2025-04-30 21:33 ` David Hildenbrand
2025-05-01 8:07 ` Fuad Tabba
2025-05-02 15:11 ` David Hildenbrand
2025-05-02 22:06 ` Ackerley Tng
2025-05-02 22:29 ` Ackerley Tng
2025-05-06 8:47 ` Yan Zhao
2025-05-05 21:06 ` Ira Weiny
2025-05-06 12:15 ` Fuad Tabba
2025-05-09 20:54 ` James Houghton
2025-05-11 8:03 ` David Hildenbrand
2025-05-12 7:08 ` Fuad Tabba
2025-05-12 19:29 ` James Houghton
2025-05-12 7:46 ` Roy, Patrick
2025-04-30 16:56 ` [PATCH v8 09/13] KVM: arm64: Refactor user_mem_abort() calculation of force_pte Fuad Tabba
2025-04-30 21:35 ` David Hildenbrand
2025-04-30 16:56 ` [PATCH v8 10/13] KVM: arm64: Handle guest_memfd()-backed guest page faults Fuad Tabba
2025-05-09 20:15 ` James Houghton
2025-05-12 7:07 ` Fuad Tabba
2025-04-30 16:56 ` [PATCH v8 11/13] KVM: arm64: Enable mapping guest_memfd in arm64 Fuad Tabba
2025-05-09 21:08 ` James Houghton
2025-05-12 6:55 ` Fuad Tabba
2025-04-30 16:56 ` [PATCH v8 12/13] KVM: x86: KVM_X86_SW_PROTECTED_VM to support guest_memfd shared memory Fuad Tabba
2025-04-30 16:56 ` [PATCH v8 13/13] KVM: guest_memfd: selftests: guest_memfd mmap() test when mapping is allowed Fuad Tabba
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