Am 10.01.2012 10:28, schrieb Kevin Wolf: > 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. 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. 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
