No idea on the problem itself because I don't understand it, just: > Given that, we either need to address the const requirement > for userspace, alter userspace's usage, or find another way to address > the deadlock. Any ideas? In the worst case you can always disable the vsyscall gtod() and thus the need for a user space safe seqlock_t, but it will hurt some workloads significantly. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html