Stephen Hemminger <[EMAIL PROTECTED]> writes: > On Wed, 21 Nov 2007 20:45:11 +0100 > Ferenc Wagner <[EMAIL PROTECTED]> wrote: > >> Under 2.6.23.1, my lsmod output shows this: >> >> $ lsmod | grep tg3 >> tg3 100580 0 >> >> The usage count is zero, even though it drives my two physical >> interfaces: >> >> $ ls -l /sys/class/net/eth-gb?/device/driver >> lrwxrwxrwx 1 root root 0 2007-11-21 19:58 >> /sys/class/net/eth-gb1/device/driver -> ../../../bus/pci/drivers/tg3 >> lrwxrwxrwx 1 root root 0 2007-11-21 19:58 >> /sys/class/net/eth-gb2/device/driver -> ../../../bus/pci/drivers/tg3 >> >> These interfaces are up and bonded together, but that doesn't seem to >> matter at all. I also checked other machines, the network driver >> (tg3, e1000) usage counts are always zero under various recent 2.6 >> kernels, but nonzero under 2.4.21 for example. >> >> And really, the module could be removed, cutting my ssh session. :) >> >> Was this made possible intentionally? If yes, why? > > Yes, so devices can be removed at anytime.
Hmm, that would warrant nuking all the reference counts on every driver. I must be missing something, since I really feel it goes against common sense. Can you point me to some discussion of this change? I mean, I couldn't remove the driver of a mounted filesystem. So why can I remove a driver serving live network traffic? -- Thanks, Feri. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
