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Re: [Qemu-devel] [PATCH 0/7] kvm: fix system reset & rework slot managem

From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH 0/7] kvm: fix system reset & rework slot management
Date: Fri, 17 Apr 2009 09:27:54 -0500
User-agent: Thunderbird (X11/20090320)

Jan Kiszka wrote:
This is the promised series to improve KVM's memory slot management.
Things turned out to be more complicated and ugly than planned due to an
unfortunate bug in KVM's kernel code, see [1] and patch 5 of this

The most important impact of this series is that it finally enables
support for resetting qemu guests in KVM mode. Path 1 and 2 lay the
groundwork for this, and the slot management rework fixes the remaining
issues around memory remapping via PAM.

Find the patches also at git://git.kiszka.org/qemu.git queues/kvm

Jan Kiszka (7):
      kvm: Sync CPU state on reset
      kvm: Apply SMM-already-initialized workaround on reset
      kvm: Cleanup unmap condition in kvm_set_phys_mem
      kvm: Add sanity checks to slot management
      kvm: improve handling of overlapping slots
      vga: Fix inconsistent tracking of map_addr
      vga: Cleanup dirty logging

 hw/acpi.c       |   17 +++--
 hw/cirrus_vga.c |   17 ----
 hw/vga.c        |   27 +------
 hw/vga_int.h    |    1 -
 kvm-all.c       |  219 +++++++++++++++++++++++++++++++++++++++----------------
 kvm.h           |    7 +-
 vl.c            |    2 +
 7 files changed, 177 insertions(+), 113 deletions(-)

[1] http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/30680

I've applied this series but please submit a cleanup to #1.

I decided to just apply this to trunk. It's a lot of churn for stable and I consider KVM experimental for 0.10.x. If you think it should go in stable though, I'm willing to reconsider.



Anthony Liguori

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