On Tue, Jan 21, 2020 at 10:27:01PM -0600, WyoFlippa wrote: > Hi, > > I'm working on a driver that would verify a Linux or U-Boot image is secure > and I need to pass parameters such as the public key, starting address, etc. > I'd heard in talking to developers that IOCTLs are frowned upon. I also > found this article that seems to indicate that using sysfs or proc is a > better way to go. > > https://www.linuxjournal.com/article/8110 > > > but then I see this article from 2013 which is more recent than the article. > > https://www.kernel.org/doc/html/latest/process/botching-up-ioctls.html > > > So are IOCTLs discouraged or not? They are discouraged, except when they are necessary :) It all depends on exactly what you are trying to do. greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
