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Subject: Re: [virtio-comment] Re: [PATCH] Reserve device id for GPIO device
On 04-06-21, 10:28, Jie Deng wrote: > Has anyone ever tried to use GPIO in the guest to generate waveform ? I haven't tried the code yet, I just started where Enrico left earlier. Done with Id allocation and specs (yes reviews pending), will be looking into kernel now. > When the frequency reaches a certain level, the waveform will become > inaccurate > due to the delay and uncertainty of the communication time between virtio > frontend > and backend. I'm not sure if any good solution for this case. This is expected I would say. The interface is going to be slow and at some frequency it will break the waveform. -- viresh
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