From: Kalle Valo <kvalo@adurom.com>
To: Luciano Coelho <coelho@ti.com>
Cc: Arik Nemtsov <arik@wizery.com>, linux-wireless@vger.kernel.org
Subject: Re: [PATCH 3/7] wl12xx: reset link Tx queues when freeing it
Date: Wed, 29 Feb 2012 10:31:10 +0200 [thread overview]
Message-ID: <87pqcyavn5.fsf@purkki.adurom.net> (raw)
In-Reply-To: <1330422678.18637.28.camel@cumari> (Luciano Coelho's message of "Tue, 28 Feb 2012 11:51:18 +0200")
Luciano Coelho <coelho@ti.com> writes:
>> @@ -973,8 +974,14 @@ void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues)
>> struct sk_buff *skb;
>> struct ieee80211_tx_info *info;
>>
>> - for (i = 0; i < NUM_TX_QUEUES; i++)
>> - wl->tx_queue_count[i] = 0;
>> + /* only reset the queues if something bad happened */
>> + if (WARN_ON(wl1271_tx_total_queue_count(wl) != 0)) {
>
> Let's make all these WARN_ONs as WARN_ON_ONCE as it is recommended
> nowadays. This will make Kalle Valo happier. :)
Hehe. Actually the dislike against WARN_ON() was started by John, I
again started the war to killing BUG_ON() :)
But nevertheless, this changes makes also me happy. I have seen cases
where the whole system reboots because of WARN_ON() spam, so
WARN_ON_ONCE() is much better in in cases where's a possibility that it
will get printed a lot. Of course printk_ratelimit() is another option,
but for some reason it isn't that popular.
--
Kalle Valo
next prev parent reply other threads:[~2012-02-29 8:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-27 22:41 [PATCH 1/7] wl12xx: set the ELP entry delay to the FW dyn-ps timeout Arik Nemtsov
2012-02-27 22:41 ` [PATCH 2/7] wl12xx: change bits in the link_map under spin lock Arik Nemtsov
2012-02-27 22:41 ` [PATCH 3/7] wl12xx: reset link Tx queues when freeing it Arik Nemtsov
2012-02-28 9:51 ` Luciano Coelho
2012-02-28 10:09 ` Arik Nemtsov
2012-02-29 8:31 ` Kalle Valo [this message]
2012-02-29 8:39 ` Luciano Coelho
2012-02-27 22:41 ` [PATCH 4/7] wl12xx: avoid starving the system hlid Arik Nemtsov
2012-02-27 22:41 ` [PATCH 5/7] wl12xx: flush all Tx queues on tx_flush timeout Arik Nemtsov
2012-02-27 22:41 ` [PATCH 6/7] wl12xx: flush Tx during suspend and 802.11h chan switch Arik Nemtsov
2012-02-27 22:41 ` [PATCH 7/7] wl12xx: increase dynamic PS timeout to 200ms Arik Nemtsov
2012-02-28 12:05 ` [PATCH 1/7] wl12xx: set the ELP entry delay to the FW dyn-ps timeout Luciano Coelho
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