On 20.04.2010, at 13:03, Takuya Yoshikawa wrote: > We can now export the addree of the bitmap created by do_mmap() > to user space. For the sake of this, we introduce a new API: > > KVM_SWITCH_DIRTY_LOG: application can use this to trigger the > switch of the bitmaps and get the address of the bitmap which > has been used until now. This reduces the copy of the dirty > bitmap from the kernel. > > Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@xxxxxxxxxxxxx> > Cc: Fernando Luis Vazquez Cao <fernando@xxxxxxxxxxxxx> > --- > Documentation/kvm/api.txt | 23 +++++++++++++++++++++++ > arch/ia64/kvm/kvm-ia64.c | 19 ++++++++++++++----- > arch/powerpc/kvm/book3s.c | 19 ++++++++++++++----- > arch/x86/kvm/x86.c | 32 ++++++++++++++++++++++++++------ > include/linux/kvm.h | 6 ++++-- > include/linux/kvm_host.h | 7 ++++--- > virt/kvm/kvm_main.c | 41 ++++++++++++++++++++++++++++++++++++----- > 7 files changed, 121 insertions(+), 26 deletions(-) > [...] > diff --git a/include/linux/kvm.h b/include/linux/kvm.h > index 23ea022..9fa6f1e 100644 > --- a/include/linux/kvm.h > +++ b/include/linux/kvm.h > @@ -12,7 +12,7 @@ > #include <linux/ioctl.h> > #include <asm/kvm.h> > > -#define KVM_API_VERSION 12 > +#define KVM_API_VERSION 13 Is there a way to keep both interfaces around for some time at least? I'd prefer the API version not to change if not _really_ necessary. To enable the new dirty mapping you could for example use KVM_CAP_ENABLE_CAP :-). Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
