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@@ -556,3 +556,35 @@ Why: udev fully replaces this special file system that only contains CAPI
556 NCCI TTY device nodes. User space (pppdcapiplugin) works without 556 NCCI TTY device nodes. User space (pppdcapiplugin) works without
557 noticing the difference. 557 noticing the difference.
558Who: Jan Kiszka <jan.kiszka@web.de> 558Who: Jan Kiszka <jan.kiszka@web.de>
559
560----------------------------
561
562What: KVM memory aliases support
563When: July 2010
564Why: Memory aliasing support is used for speeding up guest vga access
565 through the vga windows.
566
567 Modern userspace no longer uses this feature, so it's just bitrotted
568 code and can be removed with no impact.
569Who: Avi Kivity <avi@redhat.com>
570
571----------------------------
572
573What: KVM kernel-allocated memory slots
574When: July 2010
575Why: Since 2.6.25, kvm supports user-allocated memory slots, which are
576 much more flexible than kernel-allocated slots. All current userspace
577 supports the newer interface and this code can be removed with no
578 impact.
579Who: Avi Kivity <avi@redhat.com>
580
581----------------------------
582
583What: KVM paravirt mmu host support
584When: January 2011
585Why: The paravirt mmu host support is slower than non-paravirt mmu, both
586 on newer and older hardware. It is already not exposed to the guest,
587 and kept only for live migration purposes.
588Who: Avi Kivity <avi@redhat.com>
589
590----------------------------