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Date: Wed, 21 Jan 2015 10:37:03 -0800 From: Eric Dumazet <eric.dumazet@...il.com> To: Beniamino Galvani <b.galvani@...il.com> Cc: "David S. Miller" <davem@...emloft.net>, Giuseppe Cavallaro <peppe.cavallaro@...com>, Florian Fainelli <f.fainelli@...il.com>, Dave Taht <dave.taht@...il.com>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2] net: stmmac: add BQL support On Wed, 2015-01-21 at 19:07 +0100, Beniamino Galvani wrote: > Add support for Byte Queue Limits to the STMicro MAC driver. > > Tested on a Amlogic S802 quad Cortex-A9 board, where the use of BQL > decreases the latency of a high priority ping from ~12ms to ~1ms when > the 100Mbit link is saturated by 20 TCP streams. > > Signed-off-by: Beniamino Galvani <b.galvani@...il.com> > --- > Changes since v1: > - don't access skb->len after the start of DMA transmission in > stmmac_xmit(), to avoid potential use after free in case tx_lock is > removed in the future > > drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 9 +++++++++ > 1 file changed, 9 insertions(+) Reviewed-by: Eric Dumazet <edumazet@...gle.com> Thanks ! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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