[dpdk-dev] [PATCH] fm10k: fix a crash bug when quit from testpmd
Chen, Jing D
jing.d.chen at intel.com
Tue Nov 24 03:20:02 CET 2015
> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Tuesday, November 24, 2015 6:55 AM
> To: Chen, Jing D
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] fm10k: fix a crash bug when quit from
> testpmd
>
> 2015-11-12 12:57, Chen Jing D:
> > From: "Chen Jing D(Mark)" <jing.d.chen at intel.com>
> >
> > When the fm10k port is closed, both func tx_queue_clean() and
> > fm10k_tx_queue_release_mbufs_vec() will try to release buffer in
> > SW ring. The latter func won't do sanity check on those pointers
> > and cause crash.
> >
> > The fix include 2 parts.
> > 1. Remove Vector TX buffer release func since it can share the
> > release functions with regular TX.
> > 2. Add log to print out what actual Rx/Tx func is used.
>
> 2 parts mean 2 patches.
OK, I'll send 2.
>
> [...]
> > + if (rx_using_sse)
> > + PMD_INIT_LOG(ERR, "Use vector Rx func");
> > + else
> > + PMD_INIT_LOG(ERR, "Use regular Rx func");
>
> Why using en error log level?
Because fm10k will decide best rx/tx func in running time, some users
complain they can't find which rx/tx func they are using. the error level log
will help them.
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