> > Completely different approach: use get_user_pages() and don't copy the > > execbuffer at all. > It would be really nice if execbuffer does not copy. > > The user space owns the buffer and may overwrite the contents > immediately after the ioctl. Oh, right. The exec ioctl doesn't block. So this doesn't work (breaks userspace abi). Scratch the idea then. > We also need a flag to indicate that the > ownership of the buffer is transferred to the kernel. Yes, with an additional flag for the changed behavior it could work. cheers, Gerd _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
