Gleb Natapov wrote: > On Tue, Mar 31, 2009 at 05:21:16PM +0200, Kohl, Bernhard (NSN - DE/Munich) wrote: >> Bernhard Kohl wrote: >>> Jan Kiszka wrote: >>>> Gleb Natapov wrote: >>>>> The patch fixes two problems with task switching. >>>>> 1. Back link is written to a wrong TSS. >>>>> 2. Instruction emulation is not needed if the reason for >>> task switch >>>>> is a task gate in IDT and access to it is caused by an >>>> external even. >>>>> 2 is currently solved only for VMX since there is not >>>> reliable way to >>>>> skip an instruction in SVM. We should emulate it instead. >>>> Does this series fix all issues Bernhard, Thomas and Julian >>>> stumbled over? >>>> >>>> Jan >>> I will try this today. Thanks. >>> >> Yes, it works for us (Thomas + Bernhard). >> > Great. Thanks for testing. > Same here: No obvious regressions found while running various NMI/IRQ tests. Jan
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