On Thu, 2013-06-27 at 14:53 +1000, Alexey Kardashevskiy wrote: > > 2. remove locks from functions being called by VFIO. The whole table > is given to the user space so it is responsible now for races.
Sure but you still need to be careful that userspace cannot cause things that crash the kernel. For example, look careful at what could happen if two user space threads try to manipulate the same TCE entry at the same time and whether that can cause a deadly kernel race... something tells me it can. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
