linux-kernel - Re: [net PATCH V3 1/3] octeontx2-pf: Fix PFC TX scheduler free

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Message-ID: <d3073c7b5d54e1ad4790b16c419e862fee952350.camel@redhat.com>
Date:   Tue, 22 Aug 2023 12:58:04 +0200
From:   Paolo Abeni <pabeni@...hat.com>
To:     Simon Horman <horms@...nel.org>, Suman Ghosh <sumang@...vell.com>
Cc:     sgoutham@...vell.com, gakula@...vell.com, sbhatta@...vell.com,
        hkelam@...vell.com, lcherian@...vell.com, jerinj@...vell.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [net PATCH V3 1/3] octeontx2-pf: Fix PFC TX scheduler free

On Tue, 2023-08-22 at 09:11 +0200, Simon Horman wrote:
> On Mon, Aug 21, 2023 at 10:55:14AM +0530, Suman Ghosh wrote:
> > During PFC TX schedulers free, flag TXSCHQ_FREE_ALL was being set
> > which caused free up all schedulers other than the PFC schedulers.
> > This patch fixes that to free only the PFC Tx schedulers.
> > 
> > Fixes: 99c969a83d82 ("octeontx2-pf: Add egress PFC support")
> > Signed-off-by: Suman Ghosh <sumang@...vell.com>
> > ---
> >  .../ethernet/marvell/octeontx2/nic/otx2_common.c  |  1 +
> >  .../ethernet/marvell/octeontx2/nic/otx2_dcbnl.c   | 15 ++++-----------
> >  2 files changed, 5 insertions(+), 11 deletions(-)
> > 
> > diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
> > index 77c8f650f7ac..289371b8ce4f 100644
> > --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
> > +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
> > @@ -804,6 +804,7 @@ void otx2_txschq_free_one(struct otx2_nic *pfvf, u16 lvl, u16 schq)
> >  
> >  	mutex_unlock(&pfvf->mbox.lock);
> >  }
> > +EXPORT_SYMBOL(otx2_txschq_free_one);
> 
> Hi Suman,
> 
> Given that the licence of both this file and otx2_dcbnl.c is GPLv2,
> I wonder if EXPORT_SYMBOL_GPL would be more appropriate here.

AFAICS all the symbols exported by otx2_common use plain
EXPORT_SYMBOL(). I think we can keep that for consistency in a -net
patch. In the long run it would be nice to move all of them to
EXPORT_SYMBOL_GPL :)

Cheers,

Paolo