Excerpts from Ian Munsie's message of 2014-12-08 19:18:01 +1100: > From: Ian Munsie <[email protected]> > > If we need to force detach a context (e.g. due to EEH or simply force > unbinding the driver) we should prevent the userspace contexts from > being able to access the Problem State Area MMIO region further, which > they may have mapped with mmap(). > > This patch unmaps any mapped MMIO regions when detaching a userspace > context.
Might want to drop this one for now - Philippe found that it sometimes causes an issue when multiple contexts are using the afu. Seems that unmap_mapping_range() unmapped a bit more than I expected. Cheers, -Ian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
