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| author | Linu Cherian <linu.cherian@cavium.com> | 2017-03-08 09:08:32 +0300 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-03-09 12:13:20 +0300 |
| commit | a677e7046ab5edb33d051bda60cb3be0d60a48cc (patch) | |
| tree | 896119864baead9b719f11eae5ec547bf34c2cbf /Documentation | |
| parent | a5e1e6ca94a8cec51571fd62e3eaec269717969c (diff) | |
| download | linux-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')
| -rw-r--r-- | Documentation/virtual/kvm/api.txt | 4 |
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 |