Excerpts from Ian Munsie's message of 2014-12-08 19:18:01 +1100: > From: Ian Munsie <imun...@au1.ibm.com> > > 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 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
