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From: Tarun Sahu <tarunsahu@google.com>
To: ackerleytng@google.com, fuad.tabba@linux.dev,
	 Andrew Morton <akpm@linux-foundation.org>,
	seanjc@google.com, dmatlack@google.com,
	 Shuah Khan <skhan@linuxfoundation.org>,
	Jonathan Corbet <corbet@lwn.net>,
	david@redhat.com,  Tarun Sahu <tarunsahu@google.com>,
	Pasha Tatashin <pasha.tatashin@soleen.com>,
	 Pratyush Yadav <pratyush@kernel.org>,
	sagis@google.com, Paolo Bonzini <pbonzini@redhat.com>,
	 Mike Rapoport <rppt@kernel.org>,
	Alexander Graf <graf@amazon.com>
Cc: linux-kselftest@vger.kernel.org, andre.przywara@arm.com,
	 michael.roth@amd.com, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org,  will@kernel.org, vannapurve@google.com,
	maz@kernel.org, fvdl@google.com,  kvm@vger.kernel.org,
	oliver.upton@linux.dev, kvmarm@lists.linux.dev,
	 alexandru.elisei@arm.com, skhawaja@google.com,
	aneesh.kumar@kernel.org,  linux-doc@vger.kernel.org,
	David Hildenbrand <david@kernel.org>,
	yan.y.zhao@intel.com,  kexec@lists.infradead.org,
	suzuki.poulose@arm.com
Subject: [PATCH v4 03/11] KVM: Export kvm_uevent_notify_vm_create()
Date: Tue, 28 Jul 2026 12:11:30 +0000	[thread overview]
Message-ID: <20260728121138.1103610-4-tarunsahu@google.com> (raw)
In-Reply-To: <20260728121138.1103610-1-tarunsahu@google.com>

- Export kvm_uevent_notify_vm_create() to allow triggering KVM event
  notifications during VM creation.

Signed-off-by: Tarun Sahu <tarunsahu@google.com>
---
 include/linux/kvm_host.h | 1 +
 virt/kvm/kvm_main.c      | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 79b084887cdb..d9908c19e42f 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1076,6 +1076,7 @@ void kvm_put_kvm(struct kvm *kvm);
 bool file_is_kvm(struct file *file);
 struct file *kvm_create_vm_file(unsigned long type, const char *fdname);
 void kvm_put_kvm_no_destroy(struct kvm *kvm);
+void kvm_uevent_notify_vm_create(struct kvm *kvm);
 
 static inline struct kvm_memslots *__kvm_memslots(struct kvm *kvm, int as_id)
 {
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 3339b8fcd59f..701d4596a91c 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -6348,6 +6348,11 @@ static void kvm_uevent_notify_change(unsigned int type, struct kvm *kvm)
 	kfree(env);
 }
 
+void kvm_uevent_notify_vm_create(struct kvm *kvm)
+{
+	kvm_uevent_notify_change(KVM_EVENT_CREATE_VM, kvm);
+}
+
 static void kvm_init_debug(void)
 {
 	const struct file_operations *fops;
-- 
2.55.0.229.g6434b31f56-goog


  parent reply	other threads:[~2026-07-28 12:11 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-28 12:11 [PATCH v4 00/11] liveupdate: kvm: Guest_memfd preservation Tarun Sahu
2026-07-28 12:11 ` [PATCH v4 01/11] liveupdate: Add LIVEUPDATE_GUEST_MEMFD config option Tarun Sahu
2026-07-28 12:11 ` [PATCH v4 02/11] KVM: Introduce kvm_create_vm_file() helper Tarun Sahu
2026-07-28 12:11 ` Tarun Sahu [this message]
2026-07-28 12:11 ` [PATCH v4 04/11] KVM: Track weak reference to vm_file in struct kvm Tarun Sahu
2026-07-28 12:11 ` [PATCH v4 05/11] KVM: LUO: Support VM preservation across live updates Tarun Sahu
2026-07-28 12:11 ` [PATCH v4 06/11] KVM: guest_memfd: Move internal definitions to internal header Tarun Sahu
2026-07-28 12:11 ` [PATCH v4 07/11] KVM: guest_memfd: Add support for freezing mappings Tarun Sahu
2026-07-28 12:11 ` [PATCH v4 08/11] KVM: guest_memfd: Add support for preservation via LUO Tarun Sahu
2026-07-28 12:11 ` [PATCH v4 09/11] docs: liveupdate: Add documentation for VM and guest_memfd preservation Tarun Sahu
2026-07-28 12:11 ` [PATCH v4 10/11] KVM: selftests: Split ____vm_create() and add vm_create_from_fd() Tarun Sahu
2026-07-28 12:11 ` [PATCH v4 11/11] KVM: selftests: Add guest_memfd_preservation_test Tarun Sahu

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