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From: Harman Kalra <hkalra@marvell.com>
To: wangyunjian <wangyunjian@huawei.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"david.marchand@redhat.com" <david.marchand@redhat.com>,
	"ferruh.yigit@intel.com" <ferruh.yigit@intel.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	"Lilijun (Jerry)" <jerry.lilijun@huawei.com>,
	xudingke <xudingke@huawei.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [EXT] RE: [PATCH 1/1] eal/linux: fix event set error for rte_epoll_event
Date: Mon, 21 Dec 2020 20:08:42 +0530
Message-ID: <20201221143840.GA853@outlook.office365.com> (raw)
In-Reply-To: <34EFBCA9F01B0748BEB6B629CE643AE60DAEBC3A@dggemm513-mbx.china.huawei.com>

On Mon, Nov 02, 2020 at 02:15:01AM +0000, wangyunjian wrote:
> > -----Original Message-----
> > From: wangyunjian
> > Sent: Tuesday, September 22, 2020 8:06 PM
> > To: 'Harman Kalra' <hkalra@marvell.com>
> > Cc: dev@dpdk.org; david.marchand@redhat.com; ferruh.yigit@intel.com;
> > Thomas Monjalon <thomas@monjalon.net>; Lilijun (Jerry)
> > <jerry.lilijun@huawei.com>; xudingke <xudingke@huawei.com>;
> > stable@dpdk.org
> > Subject: RE: [EXT] RE: [dpdk-dev] [PATCH 1/1] eal/linux: fix event set error for
> > rte_epoll_event
> > 
> > > -----Original Message-----
> > > From: Harman Kalra [mailto:hkalra@marvell.com]
> > > Sent: Tuesday, September 22, 2020 6:32 PM
> > > To: wangyunjian <wangyunjian@huawei.com>
> > > Cc: dev@dpdk.org; david.marchand@redhat.com; ferruh.yigit@intel.com;
> > > Thomas Monjalon <thomas@monjalon.net>; Lilijun (Jerry)
> > > <jerry.lilijun@huawei.com>; xudingke <xudingke@huawei.com>;
> > > stable@dpdk.org
> > > Subject: Re: [EXT] RE: [dpdk-dev] [PATCH 1/1] eal/linux: fix event set
> > > error for rte_epoll_event
> > >
> > > On Sat, Sep 19, 2020 at 10:42:30AM +0000, wangyunjian wrote:
> > > > External Email
> > > >
> > > > --------------------------------------------------------------------
> > > > --
> > > > Friendly ping.
> > >
> > > 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.
> > 
> > EPOLLERR event will be triggered when an exception occurs. This event will be
> > set in 'evs.events', we should use 'evs.events' instead of 'rev->epdata.event' to
> > assign to 'events.epdata.event'. Otherwise, the EPOLLERR event will lost.
> > 
> > Thanks,
> > Yunjian
> 
> Hi Harman,
> 
> Is there any ideas on this issue?

Hi Yunjian

Fix looks good, apologies for the delay in review.

Acked-by: Harman Kalra <hkalra@marvell.com>

> 
> > 
> > >
> > > Thanks
> > > Harman
> > >
> > > >
> > > > > -----Original Message-----
> > > > > From: wangyunjian
> > > > > Sent: Wednesday, August 26, 2020 6:56 PM
> > > > > To: dev@dpdk.org; hkalra@marvell.com; david.marchand@redhat.com
> > > > > Cc: 'ferruh.yigit@intel.com' <ferruh.yigit@intel.com>; 'Thomas Monjalon'
> > > > > <thomas@monjalon.net>; Lilijun (Jerry) <jerry.lilijun@huawei.com>;
> > > > > xudingke <xudingke@huawei.com>; stable@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@dpdk.org; hkalra@marvell.com
> > > > > > Cc: Lilijun (Jerry) <jerry.lilijun@huawei.com>; xudingke
> > > > > > <xudingke@huawei.com>; wangyunjian <wangyunjian@huawei.com>;
> > > > > > stable@dpdk.org
> > > > > > Subject: [dpdk-dev] [PATCH 1/1] eal/linux: fix event set error
> > > > > > for rte_epoll_event
> > > > > >
> > > > > > From: Yunjian Wang <wangyunjian@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@dpdk.org
> > > > > >
> > > > > > Signed-off-by: Yunjian Wang <wangyunjian@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
> > > > > >
> > > >

  reply	other threads:[~2020-12-21 14:39 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-15  2:40 [dpdk-dev] " wangyunjian
2020-08-26 10:55 ` wangyunjian
2020-09-19 10:42 ` wangyunjian
2020-09-21  8:04   ` David Marchand
2020-09-21 13:17     ` wangyunjian
2020-09-22 10:31   ` [dpdk-dev] [EXT] " Harman Kalra
2020-09-22 12:05     ` wangyunjian
2020-11-02  2:15     ` wangyunjian
2020-12-21 14:38       ` Harman Kalra [this message]
2021-01-11 14:40 ` [dpdk-dev] " David Marchand

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