On Sun, Aug 26, 2007 at 06:55:42AM -0600, Matthew Wilcox wrote:
> On Sat, Aug 25, 2007 at 10:24:57PM -0600, Robert Hancock wrote:
> > We've already got a patch for this in Greg's PCI tree, hopefully it
> > should go in for 2.6.24.
>
> I haven't seen it. I guess it wasn't sent to the PCI mailing list.
>
> Your patch had two or three problems with it; assuming we're talking
> about the same patch.
I found
http://git.kernel.org/?p=linux/kernel/git/gregkh/patches.git;a=blob;f=pci/pci-disable-decode-of-io-memory-during-bar-sizing.patch;h=958ef4e837733206a80f058aee236847eec5fbd8;hb=HEAD
which has two problems:
- With a 64-bit BAR, it checks to see if the upper 32 bits represent IO
or memory. You can't do that to the upper 32 bits.
- It does a lot of additional writes to the cmd register; my patch does two
writes per device; yours does two per BAR
It's also a lot more complex than my patch, IMO.
Greg, please drop Robert's patch and put mine in instead.
--
"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."
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