> disable_msi() is missing right? I didn't add that as none of the other drivers have it: chainsaw@amalthea /cvs/linux-2.6/drivers/ata $ grep _msi * | grep pci ahci.c: pci_enable_msi(pdev); sata_mv.c: if (msi && pci_enable_msi(pdev) == 0) sata_vsc.c: if (pci_enable_msi(pdev) == 0) (This is a tree without the sata_nv change I submitted) I do believe it is safe to shut the interrupt down and unload the handler whilst it is still in MSI mode. At least, I don't see the libata core special-casing it in any way. > Chetan Regards, Tony V.
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