On Mon, Jan 16, 2012 at 04:37:33PM +0100, Kevin Wolf wrote: > Am 10.01.2012 18:51, schrieb Joerg Roedel: > >> 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. > > Jörg, any news on this? Not yet. We are currently trying to figure out which priviledge checks the software has to do and which ones are done by the hardware before a task-switch intercept is thrown. Joerg -- AMD Operating System Research Center Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo 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
