On Tue, Oct 20, 2009 at 07:15:09PM +0200, Michael S. Tsirkin wrote: > KVM does not virtualize low address bits for memory accesses, so we must > require that PCI BAR size is a multiple of 4K for passthrough to work > (this also guarantees that address is 4K aligned). > > Users of recent linux kernels can force resource size up to 4K > using: > > commit 32a9a682bef2f6fce7026bd94d1ce20028b0e52d > Author: Yuji Shimada <shimada-...@necst.nec.co.jp> > Date: Mon Mar 16 17:13:39 2009 +0900 > PCI: allow assignment of memory resources with a specified alignment > > Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
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