Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

From: Matthew Wilcox
Date: Fri Apr 27 2018 - 12:28:33 EST


On Fri, Apr 27, 2018 at 04:14:56PM +0000, Luis R. Rodriguez wrote:
> > Not really. We have unchecked_isa_dma to support about 4 drivers,
>
> Ah very neat:
>
> * CONFIG_CHR_DEV_OSST - "SCSI OnStream SC-x0 tape support"

That's an upper level driver, like cdrom, disk and regular tapes.

> * CONFIG_SCSI_ADVANSYS - "AdvanSys SCSI support"

If we ditch support for the ISA boards, this can go away.

> * CONFIG_SCSI_AHA1542 - "Adaptec AHA1542 support"

Probably true.

> * CONFIG_SCSI_ESAS2R - "ATTO Technology's ExpressSAS RAID adapter driver"

That's being set to 0.

You missed BusLogic.c and gdth.c