On Fri, Oct 16, 2015 at 1:34 PM, Borislav Petkov <b...@alien8.de> wrote: > On Fri, Oct 16, 2015 at 08:59:23AM -0700, Andy Lutomirski wrote: >> Wow I am incompetent. > > Bah, it can happen to anyone... > >> set_system_trap_gate(IA32_SYSCALL_VECTOR, entry_INT80_32); >> >> How did I not catch that in testing? Can you change that to >> set_system_intr_gate and see if that helps? > > Yeah, that was it. Well spotted, thanks!
The INT80 handler doesn't do anything that requires interrupts to be off (it is already on the process stack), so the tracing should be fixed to expect interrupts on. do_int80_syscall_32() can be eliminated too. -- Brian Gerst -- 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/
