On Tue, 2007-05-08 at 18:53 +0100, Alan Cox wrote:
> > The ultimate goal is to be able to eliminate the unchecked_isa_dma flag
> > entirely and have the block layer (or device mask allocations) fix all
> > of this in every ULD.
>
> About time ;)
Actually, I should point out (before those who did
> > Long answer - it doesn't take this path.
> >
> > Different bug, both want fixing I suspect.
>
> Actually, it does take this path ... one of the things we've been doing
> in SCSI is slowly eliminating the old direct submission paths in favour
> of sending everything through the correct block l
On Tue, 2007-05-08 at 18:42 +0100, Alan Cox wrote:
> > Mike Christie tells me we're missing bouncing by accident in the
> > scsi_execute path (but not the scsi_execute_async path). He says this
> > is the fix he proposed:
> >
> > http://marc.info/?l=linux-scsi&m=115981479822790&w=2
> >
> > Can w
> Mike Christie tells me we're missing bouncing by accident in the
> scsi_execute path (but not the scsi_execute_async path). He says this
> is the fix he proposed:
>
> http://marc.info/?l=linux-scsi&m=115981479822790&w=2
>
> Can we just merge this instead?
Short answer: No
Long answer - it do
On Tue, May 08 2007, James Bottomley wrote:
> On Tue, 2007-05-08 at 18:40 +0200, Jens Axboe wrote:
> > On Tue, May 08 2007, James Bottomley wrote:
> > > On Tue, 2007-05-08 at 18:14 +0200, Jens Axboe wrote:
> > > > On Tue, May 08 2007, Alan Cox wrote:
> > > > > The CD-ROM layer doesn't bounce reques
On Tue, May 08 2007, Mike Christie wrote:
> James Bottomley wrote:
> > On Tue, 2007-05-08 at 18:14 +0200, Jens Axboe wrote:
> >> On Tue, May 08 2007, Alan Cox wrote:
> >>> The CD-ROM layer doesn't bounce requests for old ISA controllers (and
> >>> nor should it). However they get injected into the
On Tue, 2007-05-08 at 18:40 +0200, Jens Axboe wrote:
> On Tue, May 08 2007, James Bottomley wrote:
> > On Tue, 2007-05-08 at 18:14 +0200, Jens Axboe wrote:
> > > On Tue, May 08 2007, Alan Cox wrote:
> > > > The CD-ROM layer doesn't bounce requests for old ISA controllers (and
> > > > nor should it)
James Bottomley wrote:
> On Tue, 2007-05-08 at 18:14 +0200, Jens Axboe wrote:
>> On Tue, May 08 2007, Alan Cox wrote:
>>> The CD-ROM layer doesn't bounce requests for old ISA controllers (and
>>> nor should it). However they get injected into the SCSI layer via
>>> sr_ioctl which also doesn't bounc
On Tue, May 08 2007, James Bottomley wrote:
> On Tue, 2007-05-08 at 18:14 +0200, Jens Axboe wrote:
> > On Tue, May 08 2007, Alan Cox wrote:
> > > The CD-ROM layer doesn't bounce requests for old ISA controllers (and
> > > nor should it). However they get injected into the SCSI layer via
> > > sr_io
On Tue, 2007-05-08 at 18:14 +0200, Jens Axboe wrote:
> On Tue, May 08 2007, Alan Cox wrote:
> > The CD-ROM layer doesn't bounce requests for old ISA controllers (and
> > nor should it). However they get injected into the SCSI layer via
> > sr_ioctl which also doesn't bounce them and SCSI then passe
On Tue, May 08 2007, Alan Cox wrote:
> The CD-ROM layer doesn't bounce requests for old ISA controllers (and
> nor should it). However they get injected into the SCSI layer via
> sr_ioctl which also doesn't bounce them and SCSI then passes the buffer
> along to a device with unchecked_isa_dma set w
The CD-ROM layer doesn't bounce requests for old ISA controllers (and
nor should it). However they get injected into the SCSI layer via
sr_ioctl which also doesn't bounce them and SCSI then passes the buffer
along to a device with unchecked_isa_dma set which either panics or
truncates the buffer to
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