On Thu 11 October 2012 13:36:45 Hans Verkuil wrote: > On Thu 11 October 2012 13:34:07 Alan Cox wrote: > > > The whole purpose of this API is to let DRM and V4L drivers share buffers for > > > zero-copy pipelines. Unfortunately it is a fact that several popular DRM drivers > > > are closed source. So we have a choice between keeping the export symbols GPL > > > and forcing those closed-source drivers to make their own incompatible API, > > > thus defeating the whole point of DMABUF, or using EXPORT_SYMBOL and letting > > > the closed source vendors worry about the legality. They are already using such > > > functions (at least nvidia is), so they clearly accept that risk. > > > > Then they can accept the risk of ignoring EXPORT_SYMBOL_GPL and > > calling into it anyway can't they. Your argument makes no rational sense > > of any kind. > > Out of curiosity: why do we have both an EXPORT_SYMBOL and an EXPORT_SYMBOL_GPL > if there is no legal difference? > > And if there is a difference between the two, then what is it? Answering myself: http://lwn.net/Articles/154602/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
