On 2011-07-31 21:47, Avi Kivity wrote: > When a range is being unmapped, ask accelerators (e.g. kvm) to synchronize the > dirty bitmap to avoid losing information forever. > > Fixes grub2 screen update.
I does. But something is still broken. As I reported before, the performance of grub2 startup is an order of magnitude slower than with the existing code. According to ftrace, we are getting tons of additional EPT_MISCONFIG exits over the 0xA0000 segment. But I haven't spot the difference yet. The effective slot setup as communicated to kvm looks innocent. Jan
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