[dpdk-stable] [EXT] RE: [dpdk-dev] [PATCH 1/1] eal/linux: fix event set error for rte_epoll_event

[Harman Kalra]

On Sat, Sep 19, 2020 at 10:42:30AM +0000, wangyunjian wrote:
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Hi Wang,

   I am sorry for the delay in review, I will surely complete the review
   by end of this week.
   Can you please elaborate on the specific case/scenario which caused
   failure i.e. which lead you to this change.

Thanks
Harman

> 
> > -----Original Message-----
> > From: wangyunjian
> > Sent: Wednesday, August 26, 2020 6:56 PM
> > To: dev at dpdk.org; hkalra at marvell.com; david.marchand at redhat.com
> > Cc: 'ferruh.yigit at intel.com' <ferruh.yigit at intel.com>; 'Thomas Monjalon'
> > <thomas at monjalon.net>; Lilijun (Jerry) <jerry.lilijun at huawei.com>; xudingke
> > <xudingke at huawei.com>; stable at dpdk.org
> > Subject: RE: [dpdk-dev] [PATCH 1/1] eal/linux: fix event set error for
> > rte_epoll_event
> > 
> > Ping for review, please.
> > 
> > > -----Original Message-----
> > > From: wangyunjian
> > > Sent: Wednesday, July 15, 2020 10:40 AM
> > > To: dev at dpdk.org; hkalra at marvell.com
> > > Cc: Lilijun (Jerry) <jerry.lilijun at huawei.com>; xudingke
> > > <xudingke at huawei.com>; wangyunjian <wangyunjian at huawei.com>;
> > > stable at dpdk.org
> > > Subject: [dpdk-dev] [PATCH 1/1] eal/linux: fix event set error for
> > > rte_epoll_event
> > >
> > > From: Yunjian Wang <wangyunjian at huawei.com>
> > >
> > > The "rev->epdata.event" assigned to "events.epdata.event" directly,
> > > which was wrong in case of epoll events. It should be set to the "evs.events".
> > >
> > > Fixes: 9efe9c6cdcac ("eal/linux: add epoll wrappers")
> > > Cc: stable at dpdk.org
> > >
> > > Signed-off-by: Yunjian Wang <wangyunjian at huawei.com>
> > > ---
> > >  lib/librte_eal/linux/eal_interrupts.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/lib/librte_eal/linux/eal_interrupts.c
> > > b/lib/librte_eal/linux/eal_interrupts.c
> > > index 13db5c4e8..8a3c95cec 100644
> > > --- a/lib/librte_eal/linux/eal_interrupts.c
> > > +++ b/lib/librte_eal/linux/eal_interrupts.c
> > > @@ -1237,7 +1237,7 @@ eal_epoll_process_event(struct epoll_event *evs,
> > > unsigned int n,
> > >  		events[count].status        = RTE_EPOLL_VALID;
> > >  		events[count].fd            = rev->fd;
> > >  		events[count].epfd          = rev->epfd;
> > > -		events[count].epdata.event  = rev->epdata.event;
> > > +		events[count].epdata.event  = evs[i].events;
> > >  		events[count].epdata.data   = rev->epdata.data;
> > >  		if (rev->epdata.cb_fun)
> > >  			rev->epdata.cb_fun(rev->fd,
> > > --
> > > 2.23.0
> > >
>