From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Date: Wed, 24 Oct 2007 08:38:02 +0000 Subject: Re: [lm-sensors] [patch 1/1] applesmc for Mac Pro 2 x Quad-Core Message-Id: <20071024103802.46267b07@hyperion.delvare> List-Id: References: <20071023120239.GD30546@jupiter.solarsys.private> In-Reply-To: <20071023120239.GD30546@jupiter.solarsys.private> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: lm-sensors@vger.kernel.org On Tue, 23 Oct 2007 20:40:55 -0400, Mark M. Hoffman wrote: > Hi Jean: >=20 > * Jean Delvare [2007-10-23 23:01:36 +0200]: > > On Tue, 23 Oct 2007 08:02:39 -0400, Mark M. Hoffman wrote: > > > Ren=E9: there is a series of patches for the f75375s hwmon driver tha= t allow fans > > > to be initialized with platform data. Although I haven't reviewed th= e series > > > in detail yet, IMO the concept looks OK and it may be appropriate for= the Macs > > > also. > > >=20 > > > http://lists.lm-sensors.org/pipermail/lm-sensors/2007-October/021597.= html > > > http://lists.lm-sensors.org/pipermail/lm-sensors/2007-October/021598.= html > > > http://lists.lm-sensors.org/pipermail/lm-sensors/2007-October/021599.= html > >=20 > > I still need to be convinced why this has to be hard-coded in the > > kernel when the same can be done, and fine-tuned, in user-space just > > fine. >=20 > For the same reasons that it would be better still if it were done by the= BIOS. >=20 > When the machine's safety is at stake, you initialize the hardware into a= sane, > safe state as early as possible. Fine tuning is not the issue here. Whe= n you > *know* that the hardware does not come up into a safe state, you should c= orrect > that ASAP. >=20 > Say fsck fails out to a shell during early inits... so the fans run full-= on, > big deal the machine needs attention anyway. That sure beats having some > unrelated early userspace problem cause your power supply to catch fire. >=20 > Is that good hardware design? No, but that's irrelevant. >=20 > You are going to have to convince *me* why that patch series is a bad ide= a. OK, you're right. --=20 Jean Delvare _______________________________________________ lm-sensors mailing list lm-sensors@lm-sensors.org http://lists.lm-sensors.org/mailman/listinfo/lm-sensors