cvs commit: src/sys/cam cam_ccb.h cam_periph.c cam_periph.h cam_sim.c cam_sim.h cam_xpt.c cam_xpt.h cam_xpt_periph.h src/sys/cam/scsi scsi_cd.c scsi_ch.c scsi_da.c scsi_low.c scsi_pass.c scsi_pt.c scsi_sa.c scsi_ses.c scsi_sg.c ...

[Scott Long]

On Sun, 15 Apr 2007, M. Warner Losh wrote:

> In message: <20070415105711.T84174 at fledge.watson.org>
>            Robert Watson <rwatson at FreeBSD.org> writes:
> : On Sun, 15 Apr 2007, Scott Long wrote:
> :
> : >  Remove Giant from CAM.  Drivers (SIMs) now register a mutex that CAM will
> : >  use to synchornize and protect all data objects that are used for that
> : >  SIM.  Drivers that are not yet MPSAFE register Giant and operate as
> : >  usual.  RIght now, no drivers are MPSAFE, though a few will be changed
> : >  in the coming week as this work settles down.
> : >
> : >  The driver API has changed, so all CAM drivers will need to be recompiled.
> : >  The userland API has not changed, so tools like camcontrol do not need to
> : >  be recompiled.
> :
> : Excellent.  This was one of the few remaining serious pieces of non-MPSAFE
> : infrastructure in the kernel.  Thanks greatly for doing this work!
>
> Now all the scsi ethernet drivers that were threatened with MPSAFE
> removal can continue on in the tree.  Way cool.
>
> Warner
>
> P.S.  :-)
>

One of us didn't have enough coffee this morning ;-)