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Date: Wed, 27 Aug 2014 23:18:14 -0700 (PDT) From: David Miller <davem@...emloft.net> To: dborkman@...hat.com Cc: alexander.h.duyck@...el.com, netdev@...r.kernel.org Subject: Re: [PATCH v2 net-next] ixgbe: flush when in xmit_more mode and under descriptor pressure From: Daniel Borkmann <dborkman@...hat.com> Date: Tue, 26 Aug 2014 19:34:18 +0200 > When xmit_more mode is being used and the ring is about to > become full or the stack has stopped the ring, enforce a tail > pointer write to the hw. Otherwise, we could risk a TX hang. > > Code suggested by Alexander Duyck. > > Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com> > Signed-off-by: Daniel Borkmann <dborkman@...hat.com> > --- > v1->v2: > - Worked in Alex' feedback; in accordance w/ Alex, sending out v2 > - Rerun tests, looks good Applied, thanks Daniel. I'll make similar mods to igb and vhost_net soon. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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