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| author | Avi Kivity <avi@redhat.com> | 2010-06-21 11:44:20 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-01 10:47:00 +0300 |
| commit | a1f4d39500ad8ed61825eff061debff42386ab5b (patch) | |
| tree | 58b72188b1356329e78951773f4be41e66b11d21 /Documentation | |
| parent | fc34531db3cf8c422f2ff7cf4ef507a3ca672cd2 (diff) | |
| download | lwn-a1f4d39500ad8ed61825eff061debff42386ab5b.tar.gz lwn-a1f4d39500ad8ed61825eff061debff42386ab5b.zip | |
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.txt | 11 | ||||
| -rw-r--r-- | Documentation/kvm/api.txt | 12 |
2 files changed, 1 insertions, 22 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 1571c0c83dba..ad1e90dd2780 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 ffba03f55bdf..7e415943a11e 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 +This ioctl is obsolete and has been removed. 4.9 KVM_RUN |