Messages in this thread | | | Date | Thu, 20 Dec 2007 22:50:21 +0300 | From | Ivan Kokshaysky <> | Subject | Re: [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG] |
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On Thu, Dec 20, 2007 at 12:08:33PM -0700, Matthew Wilcox wrote: > On Thu, Dec 20, 2007 at 02:04:31PM -0500, Tony Camuso wrote: > > Does anybody see a down side to this? > > It'll be slower than it would be if we used mmconfig directly. Now yes, > nobody should be using pci config space in performance critical paths > ... but see the tg3 driver.
Use type 1 just for the first 64 bytes and tg3 will be happy. All we need is to avoid touching BARs with mmconfig.
Ivan.
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