Wolfgang Grandegger wrote: > Ben Nizette wrote: >> On Tue, 2008-10-21 at 11:30 +0200, Marco Stornelli wrote: >>> I could agree, but "the facto" due to UIO license condition, a company >>> often uses UIO drivers, regardless performance, debug, etc, only as not >>> to public the code under GPL. >> It sounds to me like you think that driver authors can sit down and >> decide whether they want to implement their driver in userspace or >> kernel space. For 99% of drivers that's simply not true. You *cannot* >> write userspace drivers for most hardware, the hooks just aren't >> available. UIO is Userspace I/O, not a set of general hooks for >> userspace drivers. > > I known, fortunately it's not that simple or even feasible. Image a > network driver with I/O multiplexing used by various processes. Actually, UIO is pretty useful for that when combined with tun/tap. > That's *not* an option, please read the GPL license conditions. At least > it's legal gray area. Note that it's not my intention to start a > discussion on that. Then I will only contradict you, and not cite my supporting evidence. :) b.g. -- Bill Gatliff bgat@xxxxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
