Hi Hauke, > in the Ubuntu 10.04 default kernel config CONFIG_PREEMPT_VOLUNTARY=y is > set, but it does not use the RT patches, so compat-wireless build > failed. If you are using a mainline kernel you can choose between > CONFIG_PREEMPT_NONE, CONFIG_PREEMPT_VOLUNTARY and CONFIG_PREEMPT (all > localed in kernel/Kconfig.preempt for a least kernel 2.6.24), so these > options are not indicating that the RT patches are applied. The RT patch > adds CONFIG_PREEMPT_RT and CONFIG_PREEMPT_DESKTOP and removes > CONFIG_PREEMPT, so choosing one of these options to detect that the RT > patch is applied is not a good idea. I do not had the time to look > through the hole rt patch to find a better indicator if it is applied so > I just removed the ones preventing compiling on normal kernels. I just > looked into patch-2.6.33.7-rt29.bz2 and not the other RT patches. OK, I see your point now. I did not realize that the mainstream kernels also had those two options in them. I haven't had much luck finding an config option that is always on in the RT kernels. For now your fix sounds like the right tradeoff. Blaise -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
