Thread (20 messages) 20 messages, 6 authors, 2006-09-28

Re: [RFC] let mortals use ethtool

From: Jeff Garzik <hidden>
Date: 2006-09-28 20:35:51

James Morris wrote:
On Thu, 28 Sep 2006, Michael Chan wrote:
quoted
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.

	Jeff


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