On Tue, Jan 05, 2016 at 09:51:14AM +0100, Pierre Paul MINGOT wrote: > In industrial sector, for obvious security and safety reasons we want > configure our system and have a full control of the devices within it. > So unused or dummy devices are not wanted , not nice to have. > One way to achieve this goal is to have a full picture of the devices > in our system and then identified which type of applications can run > and then safety or security potential risks. Base on this analysis we > can put in place mandatory actions to fix the risks. > An other interest for reduce dummy /dev devices is hot-plug device > creation detection through inotify or udev. Indeed, we can configure > udev or inotify for monitoring the /dev directory and notify watched > dedicated events. lesser the devices in /dev is better the response > is. This aspect is crucial for RTOS with very high time constraint > near of microseconds. It's the case for example for a system with > Linux RT Patch or Xenomai.
I don't understand how reducing the number of vt devices makes anything more or less secure, or better yet, more responsive. Please provide specific details showing how this happens. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/