summaryrefslogtreecommitdiff
path: root/Documentation/virtual
diff options
context:
space:
mode:
authorLinu Cherian <linu.cherian@cavium.com>2017-03-08 09:08:32 +0300
committerMarc Zyngier <marc.zyngier@arm.com>2017-03-09 12:13:20 +0300
commita677e7046ab5edb33d051bda60cb3be0d60a48cc (patch)
tree896119864baead9b719f11eae5ec547bf34c2cbf /Documentation/virtual
parenta5e1e6ca94a8cec51571fd62e3eaec269717969c (diff)
downloadlinux-a677e7046ab5edb33d051bda60cb3be0d60a48cc.tar.xz
KVM: Add documentation for KVM_CAP_NR_MEMSLOTS
Add documentation for KVM_CAP_NR_MEMSLOTS capability. Reviewed-by: Christoffer Dall <cdall@linaro.org> Signed-off-by: Linu Cherian <linu.cherian@cavium.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'Documentation/virtual')
-rw-r--r--Documentation/virtual/kvm/api.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 069450938b79..3c248f772ae6 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -951,6 +951,10 @@ This ioctl allows the user to create or modify a guest physical memory
slot. When changing an existing slot, it may be moved in the guest
physical memory space, or its flags may be modified. It may not be
resized. Slots may not overlap in guest physical address space.
+Bits 0-15 of "slot" specifies the slot id and this value should be
+less than the maximum number of user memory slots supported per VM.
+The maximum allowed slots can be queried using KVM_CAP_NR_MEMSLOTS,
+if this capability is supported by the architecture.
If KVM_CAP_MULTI_ADDRESS_SPACE is available, bits 16-31 of "slot"
specifies the address space which is being modified. They must be