Re: [Qemu-devel] [PULL] Fix for kvm dirty logging

[Anthony Liguori <anthony@codemonkey.ws>]

On 01/15/2012 08:36 AM, Avi Kivity wrote:
> kvm dirty logging is broken in the presence of memory slots being
> removed; this breaks opensuse's boot screen.  Following patch fixes:
>
>    git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git memory/urgent

Pulled.  Thanks.

Regards,

Anthony Liguori

>
> Avi Kivity (1):
>        kvm: flush the dirty log when unregistering a slot
>
>   kvm-all.c |    4 ++++
>   1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/kvm-all.c b/kvm-all.c
> index 3174f42..2cc4562 100644
> --- a/kvm-all.c
> +++ b/kvm-all.c
> @@ -566,6 +566,10 @@ static void kvm_set_phys_mem(MemoryRegionSection
> *section, bool add)
>
>           old = *mem;
>
> +        if (mem->flags&  KVM_MEM_LOG_DIRTY_PAGES) {
> +            kvm_physical_sync_dirty_bitmap(section);
> +        }
> +
>           /* unregister the overlapping slot */
>           mem->memory_size = 0;
>           err = kvm_set_user_memory_region(s, mem);
>