On Thu, 2006-09-28 at 16:35 -0400, Jeff Garzik wrote: > James Morris wrote: > > On Thu, 28 Sep 2006, Michael Chan wrote: > > > >> I'm against letting normal users do ETHTOOL_GREGS and ETHTOOL_PHYS_ID. > >> Dumping 64K worth of registers and blinking the LEDs should be > >> restricted. > > > > Out of curiosity -- why? > > In the past, dumping certain tg3 registers has led to lock-ups, for one. > > Also, blindly dumping registers can negatively affect driver operation, > for the case where reading registers has side effects, such as PHY > register bit shifting, or read-and-clear registers. >
That's right. For the LED blinking part, you don't want normal users to override the normal functions of LEDs which are to indicate link, speed, traffic, etc. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html