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| author | Avi Kivity <avi@redhat.com> | 2010-01-26 16:30:06 +0200 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 12:36:12 -0300 |
| commit | db358796d95886f9715d1c91e9ae866c005511d7 (patch) | |
| tree | 0cf30caa5d44b1fbfe505dfbf1c8fb246a23fb53 | |
| parent | d380a5e4022a5c63a6c5ac631e48c752ba7f1e4f (diff) | |
| download | op-kernel-dev-db358796d95886f9715d1c91e9ae866c005511d7.zip op-kernel-dev-db358796d95886f9715d1c91e9ae866c005511d7.tar.gz | |
KVM: Plan obsolescence of kernel allocated slots, paravirt mmu
These features are unused by modern userspace and can go away. Paravirt
mmu needs to stay a little longer for live migration.
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | Documentation/feature-removal-schedule.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index ea40149..db20527 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -538,3 +538,33 @@ Why: Duplicate functionality with the gspca_zc3xx driver, zc0301 only sensors) wich are also supported by the gspca_zc3xx driver (which supports 53 USB-ID's in total) Who: Hans de Goede <hdegoede@redhat.com> + +---------------------------- + +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: KVM kernel-allocated memory slots +When: July 2010 +Why: Since 2.6.25, kvm supports user-allocated memory slots, which are + much more flexible than kernel-allocated slots. All current userspace + supports the newer interface and this code can be removed with no + impact. +Who: Avi Kivity <avi@redhat.com> + +---------------------------- + +What: KVM paravirt mmu host support +When: January 2011 +Why: The paravirt mmu host support is slower than non-paravirt mmu, both + on newer and older hardware. It is already not exposed to the guest, + and kept only for live migration purposes. +Who: Avi Kivity <avi@redhat.com> |
