[RFC PATCH v3 5/6] kvm: document KVM_GMEM_NO_DIRECT_MAP flag

From: Patrick Roy
Date: Wed Oct 30 2024 - 09:51:51 EST


Signed-off-by: Patrick Roy <roypat@xxxxxxxxxxxx>
---
Documentation/virt/kvm/api.rst | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index edc070c6e19b2..c8e21c523411c 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -6382,6 +6382,20 @@ a single guest_memfd file, but the bound ranges must not overlap).

See KVM_SET_USER_MEMORY_REGION2 for additional details.

+The following flags are defined:
+
+KVM_GMEM_NO_DIRECT_MAP
+ Ensure memory backing this guest_memfd inode is unmapped from the kernel's
+ address space.
+
+Errors:
+
+ ========== ===============================================================
+ EOPNOTSUPP `KVM_GMEM_NO_DIRECT_MAP` was set in `flags`, but the host does
+ not support direct map manipulations.
+ ========== ===============================================================
+
+
4.143 KVM_PRE_FAULT_MEMORY
---------------------------

--
2.47.0