On Thu, Apr 23, 2015 at 9:41 AM, Denys Vlasenko <[email protected]> wrote: > An alternative fix would be, if we decided to schedule > in an interrupt, check %ss for zero and reload it > with __KERNEL_DS before schedule.
For anyone who has the right hardware (not me!), a possible reproducer is here: https://git.kernel.org/cgit/linux/kernel/git/luto/misc-tests.git/ make && taskset -c 0 ./sysret_ss_attrs_32 --Andy -- Andy Lutomirski AMA Capital Management, LLC -- 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/

