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    SubjectRe: [PATCH] (Longhaul 1/5) PCI: Protect bus master DMA from Longhaul by rw semaphores
    Ar Mer, 2006-06-28 am 20:25 +0200, ysgrifennodd Rafał Bilski:
    > AUTOHALT, this means interrupts must be disabled except for the time tick,
    > which should be reset to >=1ms. Care must be taken to avoid other system events
    > that could interfere with this operation. A few examples are snooping, NMI,
    > INIT, SMI and FLUSH."

    "snooping". So we do need the cache sorting out.

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