Re: [PATCH v3 09/11] i2c: rcar: revoke START request early

Wolfram Sang
2016-04-01T20:14:23Z

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> >IIRC my tests showed that if you don't remove
> >the spinlocks (patch 4), the interrupt latency will already be too high
> >again.
>
> Thank you for the valuable info!

Oh, and add patch 6 to it. The context switches are a major problem in
this.