Date: Sun, 15 Apr 2007 17:12:10 -0600 From: Scott Long <scottl@samsco.org> To: Rong-en Fan <grafan@gmail.com> Cc: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, scottl@FreeBSD.org, cvs-all@FreeBSD.org, rwatson@FreeBSD.org, "M. Warner Losh" <imp@bsdimp.com> Subject: Re: 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 ... Message-ID: <4622B14A.7010008@samsco.org> In-Reply-To: <6eb82e0704151233g4cd03a6br650005b9cf59680b@mail.gmail.com> References: <200704150849.l3F8nKhw040250@repoman.freebsd.org> <20070415105711.T84174@fledge.watson.org> <20070415.131016.-1510350511.imp@bsdimp.com> <6eb82e0704151233g4cd03a6br650005b9cf59680b@mail.gmail.com>
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Rong-en Fan wrote: > On 4/16/07, M. Warner Losh <imp@bsdimp.com> wrote: >> In message: <20070415105711.T84174@fledge.watson.org> >> Robert Watson <rwatson@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. > > Shall we update the wiki SMPTODO page? > > Regards, > Rong-En Fan > > I'll handle this when I get a chance. Scott
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