On Tue, Jan 26, 2010 at 04:34:34PM +0200, Avi Kivity wrote: > 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 <[email protected]> > --- > Documentation/feature-removal-schedule.txt | 23 +++++++++++++++++++++++ > 1 files changed, 23 insertions(+), 0 deletions(-) > > diff --git a/Documentation/feature-removal-schedule.txt > b/Documentation/feature-removal-schedule.txt > index 870d190..88ca110 100644 > --- a/Documentation/feature-removal-schedule.txt > +++ b/Documentation/feature-removal-schedule.txt > @@ -493,3 +493,26 @@ Why: These two features use non-standard interfaces. > There are the > Who: Corentin Chary <[email protected]> > > ---------------------------- > +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 <[email protected]> > +---------------------------- > +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.
Just a note: can block userspace usage but can't really remove code since there are in-kernel users (special purpose vmx pages). Otherwise looks good to me. > +Who: Avi Kivity <[email protected]> > +---------------------------- > +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 <[email protected]> > -- > 1.6.5.3 > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
