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From: Alan Ott <alan@signal11.us>
To: Alan Ott <alan@signal11.us>
Cc: david@hauweele.net, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-zigbee-devel@lists.sourceforge.net
Subject: Re: [PATCH beta 1] 0/3] Fix race conditions in mrf24j40 interrupts
Date: Tue, 21 May 2013 22:03:59 -0400	[thread overview]
Message-ID: <519C278F.5030809@signal11.us> (raw)
In-Reply-To: <1369188080-8904-1-git-send-email-alan@signal11.us>

On 05/21/2013 10:01 PM, Alan Ott wrote:
> David Hauweele noticed that the mrf24j40 would hang arbitrarily after some
> period of heavy traffic.  Two race conditions were discovered, and the
> driver was changed to use threaded interrupts, since the enable/disable of
> interrupts in the driver has recently been a lighning rod whenever issues
> arise related to interrupts (costing engineering time), and since threaded
> interrupts are the right way to do it.
>
> Alan Ott (3):
>   mrf24j40: Move INIT_COMPLETION() to before packet transmission
>   mrf24j40: Use threaded IRQ handler
>   mrf24j40: Use level-triggered interrupts
>
>  drivers/net/ieee802154/mrf24j40.c | 31 +++++++++----------------------
>  1 file changed, 9 insertions(+), 22 deletions(-)

I forgot to add, I ran ping -f both ways all afternoon (6.5 hours), and
it seems solid.

  parent reply	other threads:[~2013-05-22  2:03 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-09 15:19 [PATCH 1/2] mrf24j40: Avoid transmission while receiving a frame David Hauweele
2013-05-09 15:19 ` [PATCH 2/2] mrf24j40: Keep the interrupt line enabled David Hauweele
     [not found]   ` <1368112788-25701-2-git-send-email-david-1EggE+PRa6vk1uMJSBkQmQ@public.gmane.org>
2013-05-14  3:55     ` Alan Ott
2013-05-16 21:34       ` [Linux-zigbee-devel] " David Hauweele
2013-05-19 23:04         ` Alan Ott
2013-05-21 16:17           ` David Hauweele
     [not found]             ` <CAO+c-UXymPjYysvh2kM36gcOsL3P51YWq+aYhEqX8oCySwBcaQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-05-21 18:22               ` Alan Ott
2013-05-14  3:22 ` [Linux-zigbee-devel] [PATCH 1/2] mrf24j40: Avoid transmission while receiving a frame Alan Ott
     [not found]   ` <5191ADE4.8040709-yzvJWuRpmD1zbRFIqnYvSA@public.gmane.org>
2013-05-16 17:45     ` David Hauweele
     [not found]       ` <CAO+c-UVJQJbmmmCS4hxAEYHKa8gEU1Bs=y+Rv_A75UHeBZxc+w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-05-20  0:05         ` [PATCH testing] mrf24j40: Move INIT_COMPLETION to before the packet is sent Alan Ott
2013-05-22  2:01         ` [PATCH beta 1] 0/3] Fix race conditions in mrf24j40 interrupts Alan Ott
     [not found]           ` <1369188080-8904-1-git-send-email-alan-yzvJWuRpmD1zbRFIqnYvSA@public.gmane.org>
2013-05-22  2:01             ` [PATCH beta 1] 1/3] mrf24j40: Move INIT_COMPLETION() to before packet transmission Alan Ott
2013-05-22  2:01             ` [PATCH beta 1] 2/3] mrf24j40: Use threaded IRQ handler Alan Ott
2013-10-06  3:52             ` [PATCH v1 0/3] Fix race conditions in mrf24j40 interrupts Alan Ott
     [not found]               ` <1381031544-2960-1-git-send-email-alan-yzvJWuRpmD1zbRFIqnYvSA@public.gmane.org>
2013-10-06  3:52                 ` [PATCH v1 1/3] mrf24j40: Move INIT_COMPLETION() to before packet transmission Alan Ott
2013-10-06  3:52                 ` [PATCH v1 2/3] mrf24j40: Use threaded IRQ handler Alan Ott
2013-10-06  3:52                 ` [PATCH v1 3/3] mrf24j40: Use level-triggered interrupts Alan Ott
2013-10-08 19:32               ` [PATCH v1 0/3] Fix race conditions in mrf24j40 interrupts David Miller
2013-05-22  2:01           ` [PATCH beta 1] 3/3] mrf24j40: Use level-triggered interrupts Alan Ott
2013-05-22  2:03           ` Alan Ott [this message]
2013-05-22 20:32             ` [PATCH beta 1] 0/3] Fix race conditions in mrf24j40 interrupts David Hauweele
     [not found]               ` <CAO+c-UV1bZZEE=9=7VVn3f1eLWzCpYCK9eZnnvzNwcPOKKtKLA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-05-23  6:36                 ` Alan Ott
     [not found]                   ` <519DB8E6.4020709-yzvJWuRpmD1zbRFIqnYvSA@public.gmane.org>
2013-05-23 17:54                     ` David Hauweele
2013-05-23 19:33                       ` Alan Ott

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