linux-kernel - RE: [EXT] Re: [PATCH v13 net-next 08/15] net: mvpp2: add FCA RXQ non occupied descriptor threshold

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Message-ID: <CO6PR18MB387356BB83D26789CA8B17E9B08C9@CO6PR18MB3873.namprd18.prod.outlook.com>
Date:   Thu, 11 Feb 2021 13:02:14 +0000
From:   Stefan Chulski <stefanc@...vell.com>
To:     Russell King - ARM Linux admin <linux@...linux.org.uk>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "thomas.petazzoni@...tlin.com" <thomas.petazzoni@...tlin.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        Nadav Haklai <nadavh@...vell.com>,
        Yan Markman <ymarkman@...vell.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "mw@...ihalf.com" <mw@...ihalf.com>,
        "andrew@...n.ch" <andrew@...n.ch>,
        "atenart@...nel.org" <atenart@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "sebastian.hesselbarth@...il.com" <sebastian.hesselbarth@...il.com>,
        "gregory.clement@...tlin.com" <gregory.clement@...tlin.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [EXT] Re: [PATCH v13 net-next 08/15] net: mvpp2: add FCA RXQ non
 occupied descriptor threshold



> -----Original Message-----
> From: Russell King - ARM Linux admin <linux@...linux.org.uk>
> Sent: Thursday, February 11, 2021 2:50 PM
> To: Stefan Chulski <stefanc@...vell.com>
> Cc: netdev@...r.kernel.org; thomas.petazzoni@...tlin.com;
> davem@...emloft.net; Nadav Haklai <nadavh@...vell.com>; Yan
> Markman <ymarkman@...vell.com>; linux-kernel@...r.kernel.org;
> kuba@...nel.org; mw@...ihalf.com; andrew@...n.ch;
> atenart@...nel.org; devicetree@...r.kernel.org; robh+dt@...nel.org;
> sebastian.hesselbarth@...il.com; gregory.clement@...tlin.com; linux-
> arm-kernel@...ts.infradead.org
> Subject: [EXT] Re: [PATCH v13 net-next 08/15] net: mvpp2: add FCA RXQ non
> occupied descriptor threshold
> 
> External Email
> 
> ----------------------------------------------------------------------
> On Thu, Feb 11, 2021 at 12:48:55PM +0200, stefanc@...vell.com wrote:
> > diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
> > b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
> > index 761f745..8b4073c 100644
> > --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
> > +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
> > @@ -1133,14 +1133,19 @@ static inline void
> > mvpp2_qvec_interrupt_disable(struct mvpp2_queue_vector *qvec)  static
> > void mvpp2_interrupts_mask(void *arg)  {
> >  	struct mvpp2_port *port = arg;
> > +	int cpu = smp_processor_id();
> > +	u32 thread;
> >
> >  	/* If the thread isn't used, don't do anything */
> > -	if (smp_processor_id() > port->priv->nthreads)
> > +	if (cpu > port->priv->nthreads)
> >  		return;
> 
> What happened to a patch fixing this? Did I miss it? Was it submitted
> independently to the net tree?

Some reviewers asked to remove this from the series. I would send it as separate patch to net.

Regards.