On Tue, Jul 28, 2015 at 9:30 AM, Andrew Cooper <andrew.coop...@citrix.com> wrote: > I suspect that the set_ldt(NULL, 0) call hasn't reached Xen before > xen_free_ldt() is attempting to nab back the pages which Xen still has > mapped as an LDT. >
I just instrumented it with yet more LSL instructions. I'm pretty sure that set_ldt really is clearing at least LDT entry zero. Nonetheless the free_ldt call still oopses. --Andy > ~Andrew -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/