From: Mugunthan V N <mugunthanvnm@ti.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: <netdev@vger.kernel.org>, <tglx@linutronix.de>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH 1/5] net/davinci_cpdma: don't check for jiffies with interrupts
Date: Thu, 18 Apr 2013 17:19:54 +0530 [thread overview]
Message-ID: <516FDDE2.6080500@ti.com> (raw)
In-Reply-To: <1366235536-15744-2-git-send-email-bigeasy@linutronix.de>
On 4/18/2013 3:22 AM, Sebastian Andrzej Siewior wrote:
> __cpdma_chan_process() holds the lock with interrupts off (and its
> caller as well), same goes for cpdma_ctlr_start(). With interrupts off,
> jiffies will not make any progress and if the wait condition never gets
> true we wait for ever.
> Tgis patch adds a a simple udelay and counting down attempt.
>
> Signed-off-by: Sebastian Andrzej Siewior<bigeasy@linutronix.de>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Regards
Mugunthan V N
next prev parent reply other threads:[~2013-04-18 11:50 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-17 21:52 my small cpsw queue Sebastian Andrzej Siewior
2013-04-17 21:52 ` [PATCH 1/5] net/davinci_cpdma: don't check for jiffies with interrupts Sebastian Andrzej Siewior
2013-04-18 11:49 ` Mugunthan V N [this message]
2013-04-17 21:52 ` [PATCH 2/5] net/cpsw: don't continue if we miss to allocate rx skbs Sebastian Andrzej Siewior
2013-04-18 11:50 ` Mugunthan V N
2013-04-18 12:09 ` Sebastian Andrzej Siewior
2013-04-19 10:40 ` Mugunthan V N
2013-04-22 8:05 ` Sebastian Andrzej Siewior
2013-04-17 21:52 ` [PATCH 3/5] net/cpsw: don't rely on netif_running() to check which device is active Sebastian Andrzej Siewior
2013-04-18 11:50 ` Mugunthan V N
2013-04-18 12:10 ` Sebastian Andrzej Siewior
2013-04-19 10:35 ` Mugunthan V N
2013-04-22 8:30 ` [PATCH 3/5 v2] net/cpsw: don't rely only " Sebastian Andrzej Siewior
2013-04-22 9:14 ` Mugunthan V N
2013-04-22 9:30 ` Sebastian Andrzej Siewior
2013-04-22 9:40 ` Mugunthan V N
2013-04-22 9:49 ` Sebastian Andrzej Siewior
2013-04-22 10:12 ` Mugunthan V N
2013-04-22 10:19 ` Sebastian Andrzej Siewior
2013-04-22 19:21 ` David Miller
2013-04-19 13:10 ` [PATCH 3/5] net/cpsw: don't rely " Sergei Shtylyov
2013-04-22 8:33 ` Sebastian Andrzej Siewior
2013-04-17 21:52 ` [PATCH 4/5] net/davinci_cpdma: remove unused argument in cpdma_chan_submit() Sebastian Andrzej Siewior
2013-04-18 11:51 ` Mugunthan V N
2013-04-17 21:52 ` [PATCH 5/5] net/cpsw: redo rx skb allocation in rx path Sebastian Andrzej Siewior
2013-04-18 11:50 ` Mugunthan V N
2013-04-18 12:13 ` Sebastian Andrzej Siewior
2013-04-19 10:28 ` Mugunthan V N
2013-04-18 14:59 ` Eric Dumazet
-- strict thread matches above, loose matches on Subject: below --
2013-04-23 17:31 cpsw queue, v2 Sebastian Andrzej Siewior
2013-04-23 17:31 ` [PATCH 1/5] net/davinci_cpdma: don't check for jiffies with interrupts Sebastian Andrzej Siewior
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