Am 10.01.2012 18:51, schrieb Joerg Roedel: > 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. Jörg, any news on this? Kevin -- 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
