On 12/26/19 7:51 PM, Florian Faber wrote: > Under load, the RX side of the mscan driver can get stuck while TX still > works. Restarting the interface locks up the system. This behaviour > could be reproduced reliably on a MPC5121e based system. > > The patch fixes the return value of the NAPI polling function (should be > the number of processed packets, not constant 1) and the condition under > which IRQs are enabled again after polling is finished. > > With this patch, no more lockups were observed over a test period of ten > days. > > Signed-off-by: Florian Faber <faber@xxxxxxxxxxx> Applied to linux-can. Please consider using git-send-email in the future, as your mail setup somehow mangles spaces and tabs. regards, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
Attachment:
signature.asc
Description: OpenPGP digital signature
