On Tue, Jan 10, 2012 at 10:28:06AM +0100, Kevin Wolf wrote: > Am 10.01.2012 10:01, schrieb Gleb Natapov: > > On Mon, Jan 09, 2012 at 09:10:10PM +0100, Kevin Wolf wrote: > >> * This works with VMX, but with SVM I have an additional problem: When > >> trying to exit VM86 (usually by an exception) through a task gate in > >> the IDT, the code runs into the reason = TASK_SWITCH_CALL path. I > >> searched a bit in the documentation, but didn't find any obvious way > >> to fix this. > >> > > Hmm, so exit_int_info is invalid during task switch exit even though > > task switch was caused by an exception. I wonder is this the case when > > vcpu is not in vm86 mode too? > > No idea, I would have to try it out. > IIRC (again) 32 bit Linux kernel configures double fault as a task gate, so causing #DF on 32 bit kernel guest should be enough to test that. -- Gleb. -- 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
