From: Johannes Berg <johannes@sipsolutions.net>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org,
Emmanuel Grumbach <emmanuel.grumbach@intel.com>,
stable@vger.kernel.org
Subject: Re: [PATCH 2/4] iwlwifi: fix the Transmit Frame Descriptor rings
Date: Wed, 16 May 2012 17:16:53 +0200 [thread overview]
Message-ID: <1337181413.18519.4.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <1336665952-24363-3-git-send-email-johannes@sipsolutions.net> (sfid-20120510_180611_132018_BA1732AA)
John,
> The logic that allows to have a short TFD queue was completely wrong.
> We do maintain 256 Transmit Frame Descriptors, but they point to
> recycled buffers. We used to attach and de-attach different TFDs for
> the same buffer and it worked since they pointed to the same buffer.
>
> Also zero the number of BDs after unmapping a TFD. This seems not
> necessary since we don't reclaim the same TFD twice, but I like
> housekeeping.
> Cc: stable@vger.kernel.org
This is Cc stable, can we also get it to 3.4 still? If not I guess Greg
will pick it up
johannes
next prev parent reply other threads:[~2012-05-16 15:16 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-10 16:05 [PATCH 0/4] iwlwifi fixes Johannes Berg
2012-05-10 16:05 ` [PATCH 1/4] iwlwifi: fix prints in iwl_rx_handle Johannes Berg
2012-05-10 16:38 ` [PATCH 1/4] iwlwifi: Add __printf argument checking to __iwl_dbg Joe Perches
2012-05-10 16:50 ` Johannes Berg
2012-05-10 16:56 ` Johannes Berg
2012-05-10 17:34 ` Joe Perches
2012-05-10 17:40 ` Johannes Berg
2012-05-10 18:01 ` Joe Perches
2012-05-11 10:59 ` [PATCH 1/4 v2] iwlwifi: fix prints in iwl_rx_handle Johannes Berg
2012-05-11 16:49 ` Sedat Dilek
2012-05-10 16:05 ` [PATCH 2/4] iwlwifi: fix the Transmit Frame Descriptor rings Johannes Berg
2012-05-11 12:50 ` [PATCH 2/4 v2] " Johannes Berg
2012-05-11 16:50 ` Sedat Dilek
2012-05-16 15:16 ` Johannes Berg [this message]
2012-05-10 16:05 ` [PATCH 3/4] iwlwifi: fix debug print in iwl_sta_calc_ht_flags Johannes Berg
2012-05-11 16:52 ` Sedat Dilek
2012-05-10 16:05 ` [PATCH 4/4] iwlwifi: do not send lq cmd when station add fails Johannes Berg
2012-05-11 16:53 ` Sedat Dilek
2012-05-16 17:05 ` [PATCH 0/4] iwlwifi fixes John W. Linville
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