From: Lino Sanfilippo <LinoSanfilippo@gmx.de>
To: Raghu Vatsavayi <rvatsavayi@caviumnetworks.com>, davem@davemloft.net
Cc: netdev@vger.kernel.org,
Derek Chickles <derek.chickles@caviumnetworks.com>,
Satanand Burla <satananda.burla@caviumnetworks.com>,
Felix Manlunas <felix.manlunas@caviumnetworks.com>,
Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com>,
stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH net-next v3] Add support of Cavium Liquidio ethernet adapters
Date: Fri, 19 Dec 2014 23:51:15 +0100 [thread overview]
Message-ID: <5494ABE3.5070003@gmx.de> (raw)
In-Reply-To: <1418959519-31681-1-git-send-email-rvatsavayi@caviumnetworks.com>
On 19.12.2014 04:25, Raghu Vatsavayi wrote:
> static int
> +oct_cfg_rx_intrcnt(struct lio *lio, struct ethtool_coalesce *intr_coal)
> +{
> + }
> +
> + spin_lock_irqsave(&cn6xxx->lock_for_droq_int_enb_reg, flags);
> + octeon_write_csr(oct, OCT_SLI_REGNAME(oct, PKT_CNT_INT_ENB), intr);
> + spin_unlock_irqrestore(&cn6xxx->lock_for_droq_int_enb_reg, flags);
> +
> + return 0;
What is the reason that this is locked? If it really has to be
synchronized then there should AFAIK at least be an mmiowb() to make
sure that the write does not leak out of the lock...
Regards,
Lino
next prev parent reply other threads:[~2014-12-19 22:51 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-24 3:19 [PATCH v2] Add support of Cavium Liquidio ethernet adapters Raghu Vatsavayi
2014-11-24 20:52 ` Daniel Borkmann
2014-11-24 21:01 ` Florian Fainelli
2014-11-24 21:08 ` David Miller
2014-12-01 19:57 ` Vatsavayi, Raghu
2014-12-19 3:25 ` [PATCH net-next v3] " Raghu Vatsavayi
2014-12-19 6:59 ` Stephen Hemminger
2014-12-19 17:54 ` Chickles, Derek
2014-12-19 7:01 ` Stephen Hemminger
2014-12-19 7:03 ` Stephen Hemminger
2014-12-19 7:05 ` Stephen Hemminger
2014-12-19 7:07 ` Stephen Hemminger
2014-12-19 7:11 ` Stephen Hemminger
2014-12-19 7:14 ` Stephen Hemminger
2014-12-19 7:21 ` Stephen Hemminger
2014-12-19 7:23 ` Stephen Hemminger
2014-12-19 7:26 ` Stephen Hemminger
2014-12-19 7:28 ` Stephen Hemminger
2014-12-19 18:39 ` Chickles, Derek
2014-12-19 20:53 ` Stephen Hemminger
2014-12-19 20:44 ` Lino Sanfilippo
2014-12-19 20:54 ` Stephen Hemminger
2014-12-19 21:00 ` Lino Sanfilippo
2014-12-19 21:07 ` Lino Sanfilippo
2014-12-19 21:14 ` Lino Sanfilippo
2014-12-19 21:48 ` Lino Sanfilippo
2014-12-19 22:39 ` Chickles, Derek
2014-12-19 22:04 ` Lino Sanfilippo
2014-12-19 22:20 ` Chickles, Derek
2014-12-19 22:24 ` Lino Sanfilippo
2014-12-19 22:53 ` Chickles, Derek
2014-12-19 22:51 ` Lino Sanfilippo [this message]
2014-12-20 0:47 ` Chickles, Derek
2015-01-31 2:29 ` [PATCH net-next v4] " Raghu Vatsavayi
2015-02-03 3:00 ` David Miller
2015-02-06 20:28 ` Chickles, Derek
2015-02-12 1:20 ` [PATCH net-next v5] " Raghu Vatsavayi
2015-02-19 19:36 ` David Miller
2015-02-19 20:44 ` Chickles, Derek
2015-02-19 21:21 ` David Miller
2015-02-19 21:28 ` Chickles, Derek
2015-04-08 19:08 ` [PATCH net-next v6] " Raghu Vatsavayi
2015-04-09 0:46 ` Joe Perches
2015-04-25 0:34 ` [PATCH net-next v7] " Raghu Vatsavayi
2015-04-26 20:04 ` David Miller
2015-04-27 16:26 ` Chickles, Derek
2015-04-27 16:27 ` David Miller
2015-04-27 17:04 ` Chickles, Derek
2015-04-27 17:22 ` David Miller
2015-06-10 1:15 ` [PATCH net-next v8] " Raghu Vatsavayi
2015-06-11 5:45 ` David Miller
2014-12-20 0:33 ` [PATCH net-next v3] " Lino Sanfilippo
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