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authorRadim Krčmář <rkrcmar@redhat.com>2019-04-29 16:25:35 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2019-04-30 22:30:49 +0300
commit3a1e5e4a2c7a1ec63e6d70a7e921f62bcbb57b85 (patch)
tree4f525f241b8da78f075b3069abb48d121d3ad026 /Documentation/virtual
parentda8f0d97b2a02ebc98eb380d9e59c7fb653d4ad8 (diff)
downloadlinux-3a1e5e4a2c7a1ec63e6d70a7e921f62bcbb57b85.tar.xz
Revert "KVM: doc: Document the life cycle of a VM and its resources"
This reverts commit 919f6cd8bb2fe7151f8aecebc3b3d1ca2567396e. The patch was applied twice. The first commit is eca6be566d47029f945a5f8e1c94d374e31df2ca. Reported-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'Documentation/virtual')
-rw-r--r--Documentation/virtual/kvm/api.txt17
1 files changed, 0 insertions, 17 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index b62ad0d94234..26dc1280b49b 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -69,23 +69,6 @@ by and on behalf of the VM's process may not be freed/unaccounted when
the VM is shut down.
-It is important to note that althought VM ioctls may only be issued from
-the process that created the VM, a VM's lifecycle is associated with its
-file descriptor, not its creator (process). In other words, the VM and
-its resources, *including the associated address space*, are not freed
-until the last reference to the VM's file descriptor has been released.
-For example, if fork() is issued after ioctl(KVM_CREATE_VM), the VM will
-not be freed until both the parent (original) process and its child have
-put their references to the VM's file descriptor.
-
-Because a VM's resources are not freed until the last reference to its
-file descriptor is released, creating additional references to a VM via
-via fork(), dup(), etc... without careful consideration is strongly
-discouraged and may have unwanted side effects, e.g. memory allocated
-by and on behalf of the VM's process may not be freed/unaccounted when
-the VM is shut down.
-
-
3. Extensions
-------------