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    SubjectRe: [PATCH] use mmiowb in qla1280.c
    On Sunday, October 24, 2004 9:20 am, James Bottomley wrote:
    > On Thu, 2004-10-21 at 19:17, Jesse Barnes wrote:
    > > There are a few spots in qla1280.c that don't need a full PCI write flush
    > > to the device, but rather a simple write ordering guarantee. This patch
    > > changes some of the PIO reads that cause write flushes into mmiowb calls
    > > instead, which is a lighter weight way of ensuring ordering.
    > >
    > > Jes and James, can you ack this and/or push it in via the SCSI BK tree?
    > This doesn't seem to work:
    > CC [M] drivers/scsi/qla1280.o
    > drivers/scsi/qla1280.c: In function `qla1280_64bit_start_scsi':
    > drivers/scsi/qla1280.c:3404: warning: implicit declaration of function
    > `mmiowb'
    > *** Warning: "mmiowb" [drivers/scsi/qla1280.ko] undefined!

    Only works in Andrew's tree until he pushes mmiowb to Linus.

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