On 10/07/2010 06:03 PM, Gleb Natapov wrote:
> > > > Isn't SET_USER_MEMORY_REGION so slow that calling it 2^32 times > > isn't really feasible? > > Assuming it takes 1ms, it would take 49 days. > We may fail ioctl when max value is reached. The question is how much slot changes can we expect from real guest during its lifetime.
A normal guest has a 30 Hz timer for reading the vga framebuffer, multiple slots. Let's assume 100 Hz frequency, that gives 490 days until things stop working.
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