On Thursday 06 March 2008 16:06:51 Avi Kivity wrote: > Yang, Sheng wrote: > > Here is the updated patch. I kept 0xff because I think it's OK for > > understand easily. :) > > Any news on the regression with older Linux guests? That's the only > thing keeping my from applying the patchset.
Not much. PIT interrupts injection is all right, 1000 per second. Just found two clock source in guest got problem: PM timer and TSC. Seems both due to compensate for lost ticks. Get rid of something like "jiffies_64 += lost -1" get the time ok. And I think it's a exist bug. As you see, in most condition, userspace pit + in kernel irqchip resulted in time flow slowly, due to the lost of interrupts. But RHEL4 runs even faster than host... I will do more investigate. -- Thanks Yang, Sheng ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
