Hi Jankowski: > -----Original Message----- > From: Jankowski, KonradX > Sent: Thursday, February 15, 2018 2:33 AM > To: Dai, Wei <[email protected]>; Xing, Beilei <[email protected]>; Zhang, > Qi Z <[email protected]>; Wu, Jingjing <[email protected]>; > [email protected] > Cc: Jankowski, KonradX <[email protected]> > Subject: [PATCH] net/i40evf: regression fix - reenable interrupts in handler > > Commit 66b8304f removed the rte_intr_enable() call from > i40evf_dev_interrupt_handler() as a "bonus". On one of my systems this > causes the AdminQ messages to stop beeing delivered to the VF. This results > in unability to initialize and use the port. With this patch it works again. > > System in question: > Wind River OVP6 running kernel 3.10.58-ovp-rt58-WR6.0.0.13_preempt-rt > > Signed-off-by: Konrad Jankowski <[email protected]> > --- > drivers/net/i40e/i40e_ethdev_vf.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/i40e/i40e_ethdev_vf.c > b/drivers/net/i40e/i40e_ethdev_vf.c > index fd003fe..b927a35 100644 > --- a/drivers/net/i40e/i40e_ethdev_vf.c > +++ b/drivers/net/i40e/i40e_ethdev_vf.c > @@ -1404,6 +1404,7 @@ i40evf_dev_interrupt_handler(void *param) > > done: > i40evf_enable_irq0(hw); > + rte_intr_enable(dev->intr_handle);'
Would you explain more about why the patch fix the issue? Usually we will not accept a fix just because it work but not understand the root cause. Regards Qi > } > > static int > -- > 2.5.5
