On Thu, Jul 9, 2009 at 6:01 PM, Cam Macdonell<cam@xxxxxxxxxxxxxx> wrote: >> Is there a corresponding qemu patch for the backend to the guest pci >> driver? > > Oops right. For some reason I can't my driver patch in patchwork. > > http://kerneltrap.org/mailarchive/linux-kvm/2009/5/7/5665734 Thanks for the link, I have read through the thread now. It seems very relevant to what I am doing. Have you found a link to your qemu-kvm backend patches? Or are you running your own git tree? I don't really know where to look. >> I'm curious how the buffer memory is allocated and how BAR >> accesses are handled from the host side. > > The memory for the device allocated as a POSIX shared memory object and then > mmapped on to the allocated BAR region in Qemu's allocated memory. That's > actually one spot that needs a bit of fixing by passing the already > allocated memory object to qemu instead of mmapping on to it. Right, I would be passing the memory in pre-allocated as well, but should be a relatively simple change. Regards, Stephen. -- 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
