On Tue, Jan 10, 2012 at 01:30:47PM +0200, Gleb Natapov wrote: > On Tue, Jan 10, 2012 at 12:25:18PM +0100, Kevin Wolf wrote: > > Did that now, and it looks like exit_int_info is always 0 during the > > task switch intercept for a task gate in the IDT. So special-casing VM86 > > won't help, I'm afraid. > > > Joerg, do you know how can we check that task switch was cause by an > exception triggering task gate if exit_int_info is not provided during > intercept (short of decoding instruction that caused intercept to see if > it's a call to a gate, which is racy) ? Hmm, havn't found a solution yet. But I will check further and let you know if I find out something. Joerg -- AMD Operating System Research Center Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
