Messages in this thread | | | Date | Mon, 17 Dec 2007 20:51:59 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [RFC PATCH 08/12] PAT 64b: coherent mmap and sysfs bin ioctl |
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Eric W. Biederman wrote: > > 0000_00FD_FC00_0000h - 0000_00FD_FDFF_FFFFh On a hypertransport based > system should work. There is a 32MB window for it. >
It doesn't. The termination on MMIO and IOIO transaction is different, and poking this memory window with an MMIO transaction will lock the chipset hard (yes, I've tried it.)
-hpa
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