Philippe Gerum wrote: >> On the other side I cannot compile RTDM support in without it; the error >> message when linking vmlinux >> at the end of the Kernel compile stage is: >>> >>> >>> drvlib.c:(.text+0x19f8): undefined reference to `__va_to_kva' >>> > > I guess that rtdm_mmap_buffer() should be made dependent on > CONFIG_XENO_OPT_PERVASIVE too.
True. Will craft some patch. > >>> >>> >>> >>> >>> For what is the real-time support in user space option good for ? >>> > > This allows running Xenomai applications in user-space, instead of > implementing them as kernel modules. > Everyone planning to write kernel-space drivers and/or applications should keep an eye on some non-technical aspect as well: the license. That's no problem for in-house, unpublished work. But for things that are to be given away / sold, one should recall that the kernel community is more and more considering non-GPL modules in general as a license infringement. Jan
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