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Date: Wed, 17 Feb 2010 15:45:28 +0200 From: Avi Kivity <avi@...hat.com> To: kvm@...r.kernel.org Cc: linux-kernel@...r.kernel.org Subject: [PATCH 18/20] 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@...hat.com> --- 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 0a46833..47a6554 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -542,3 +542,33 @@ 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@...hat.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@...hat.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@...hat.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@...hat.com> -- 1.6.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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