Hi, Jes Have you verified whether it works for you ? You may run kernel build in the guest with 4 vcpus, if it can be done successfully without any error, it should be Okay I think, otherwise, we may need to investigate it further. :) Xiantao -----Original Message----- From: Jes Sorensen [mailto:jes@xxxxxxx] Sent: Tuesday, June 02, 2009 6:57 PM To: Avi Kivity Cc: Zhang, Xiantao; kvm@xxxxxxxxxxxxxxx; kvm-ia64@xxxxxxxxxxxxxxx; Hollis Blanchard Subject: Re: [PATCH] qemu-kvm: Flush icache after dma operations for ia64 Avi Kivity wrote: > Zhang, Xiantao wrote: >> Fine to me. But seems the change in qemu_iovec_from_buffer is lost in >> this patch or that change is also not unnecessary ? > > I think the fixed unmap handles that case. Can you test to make sure? > Avi and I went through the code and verified that it was all covered by the unmap case. It was pretty messy to come to the conclusion, which is why I tried to document it in the code and the patch description. Cheers, Jes -- 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