On Fri, Jun 24, 2011 at 03:02:00PM -0600, Matthew Wilcox wrote: > On Fri, Jun 24, 2011 at 03:49:04PM -0500, Xianghua Xiao wrote: > > can you explain a little more on this, the 256MB is aligned of course, > > why does the modifiable BAR needs an unaligned pci mem space? > > The device will claim any read from the base address to the base address > + 512MB. If you have another device also claiming some of that space, > undefined things will happen. > > Unless you've got the Resizable BAR Capability or some other way to tell > the device to resize its BAR ... By the way, why are you asking again? Wasn't the "No" you got on April 28th sufficient? -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
