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Ingo Molnar wrote: > so my guess would be that this device doesnt do MMIO, and the PIO inb() > causes some bad BIOS-based SMM handler/emulator to trigger, which takes > 16.6 msecs. If indeed the device is not in MMIO mode, is there a way to > force it into MMIO mode, to test this theory? Yes, but that carries with it an entirely new programming set, to use MMIO: http://marc.theaimsgroup.com/?l=linux-ide&m=114124501116060&w=2 Not like NICs, where you can just point it at another PCI BAR. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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