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kvm: Add sanity checks to slot management (Jan Kiszka)
Fail loudly if we run out of memory slot.
Make sure that dirty log start/stop works with consistent memory regionsby reporting invalid parameters. This reveals several inconsistencies inthe vga code, patch to fix them follows later in this series....
Guest debugging support for KVM (Jan Kiszka)
This is a backport of the guest debugging support for the KVMaccelerator that is now part of the KVM tree. It implements the reworkedKVM kernel API for guest debugging (KVM_CAP_SET_GUEST_DEBUG) which isnot yet part of any mainline kernel but will probably be 2.6.30 stuff....
kvm: sync vcpu state during initialization (Hollis Blanchard)
Currently on x86, qemu initializes CPUState but KVM ignores it and does itsown vcpu initialization. However, PowerPC KVM needs to be able to set theinitial register state to support the -kernel and -append options....
KVM: Coalesced MMIO support
MMIO exits are more expensive in KVM or Xen than in QEMU because theyinvolve, at least, privilege transitions. However, MMIO writeoperations can be effectively batched if those writes do not have sideeffects.
Good examples of this include VGA pixel operations when in a planar...
Add virtio-balloon support
This adds a VirtIO based balloon driver. It uses madvise() to actually balloonthe memory when possible.
Until 2.6.27, KVM forced memory pinning so we must disable ballooning unless thekernel actually supports it when using KVM. It's always safe when using TCG....
kvm: Introduce kvm logging interface (Glauber Costa)
Introduce functions to control logging of memory regions.We select regions based on its start address, aguest_physical_addr (target_phys_addr_t, in qemu nomenclature).
The main user of this interface right now is VGA optimization...
Define kvm_ioctl in the same way as ioctl
The third argument to ioctl is a ... which allows any value to be passed. Inpractice, glibc always treats the argument as a void *.
Do the same thing for the kvm ioctls to keep things consistent with atraditional ioctl....
Add missing files to KVM commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5629 c046a42c-6fe2-441c-8c8c-71466251a162