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authorAvi Kivity <avi@redhat.com>2010-06-21 11:44:20 +0300
committerAvi Kivity <avi@redhat.com>2010-08-01 10:47:00 +0300
commita1f4d39500ad8ed61825eff061debff42386ab5b (patch)
tree58b72188b1356329e78951773f4be41e66b11d21 /Documentation
parentfc34531db3cf8c422f2ff7cf4ef507a3ca672cd2 (diff)
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KVM: Remove memory alias support
As advertised in feature-removal-schedule.txt. Equivalent support is provided by overlapping memory regions. Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/feature-removal-schedule.txt11
-rw-r--r--Documentation/kvm/api.txt12
2 files changed, 1 insertions, 22 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 1571c0c83db..ad1e90dd278 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -538,17 +538,6 @@ Who: Jan Kiszka <jan.kiszka@web.de>
----------------------------
-What: KVM memory aliases support
-When: July 2010
-Why: Memory aliasing support is used for speeding up guest vga access
- through the vga windows.
-
- Modern userspace no longer uses this feature, so it's just bitrotted
- code and can be removed with no impact.
-Who: Avi Kivity <avi@redhat.com>
-
-----------------------------
-
What: xtime, wall_to_monotonic
When: 2.6.36+
Files: kernel/time/timekeeping.c include/linux/time.h
diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index ffba03f55bd..7e415943a11 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -226,17 +226,7 @@ Type: vm ioctl
Parameters: struct kvm_memory_alias (in)
Returns: 0 (success), -1 (error)
-struct kvm_memory_alias {
- __u32 slot; /* this has a different namespace than memory slots */
- __u32 flags;
- __u64 guest_phys_addr;
- __u64 memory_size;
- __u64 target_phys_addr;
-};
-
-Defines a guest physical address space region as an alias to another
-region. Useful for aliased address, for example the VGA low memory
-window. Should not be used with userspace memory.
+This ioctl is obsolete and has been removed.
4.9 KVM_RUN