On 03/18/2014 06:19 PM, Thomas Gleixner wrote: > The hardware has two message control interfaces, but the code only > uses the first one. So on SMP the following can be observed: > > CPU0 CPU1 > rx_poll() > write IF1 xmit() > write IF1 > write IF1 > > That results in corrupted message object configurations. The TX/RX is > not globally serialized it's only serialized on a core. > > Simple solution: Let RX use IF1 and TX use IF2 and all is good.
Do both c_can and d_can have two control interfaces? > Signed-off-by: Thomas Gleixner <t...@linutronix.de> Otherwise, looks good. Tnx, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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