From: David Miller <davem@davemloft.net>
To: mb@bu3sch.de
Cc: johannes@sipsolutions.net, hidave.darkstar@gmail.com,
linux-kernel@vger.kernel.org, tglx@linutronix.de,
linux-wireless@vger.kernel.org
Subject: Re: NOHZ: local_softirq_pending 08
Date: Sun, 11 Oct 2009 03:38:42 -0700 (PDT) [thread overview]
Message-ID: <20091011.033842.58792773.davem@davemloft.net> (raw)
In-Reply-To: <200910111217.31883.mb@bu3sch.de>
From: Michael Buesch <mb@bu3sch.de>
Date: Sun, 11 Oct 2009 12:17:30 +0200
> On Sunday 11 October 2009 12:08:55 Johannes Berg wrote:
>> On Sun, 2009-10-11 at 17:52 +0800, Dave Young wrote:
>>
>> FWIW, I believe the bug to be in b43 and wl12x1, and not as Michael
>> thinks in the stack.
>
> If mac80211 requires BHs disabled, it should do this.
That's overhead, and %99 of drivers do not require it, and therefore
for %99 of drivers it's unnecessary overhead.
In general we avoid doing things like that. Instead, we put the
cost only where it's actually needed.
next prev parent reply other threads:[~2009-10-11 10:38 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-11 9:52 Dave Young
2009-10-11 10:08 ` Johannes Berg
2009-10-11 10:17 ` Michael Buesch
2009-10-11 10:37 ` Johannes Berg
2009-10-11 10:38 ` David Miller [this message]
2009-10-11 10:55 ` Dave Young
2009-10-11 11:18 ` Tilman Schmidt
2009-10-11 11:40 ` Johannes Berg
2009-10-12 8:28 ` Tilman Schmidt
2009-10-12 10:32 ` David Miller
2009-10-12 11:25 ` Tilman Schmidt
2009-10-15 11:40 ` Jarek Poplawski
2009-10-15 17:53 ` Jarek Poplawski
2009-10-21 18:46 ` Tilman Schmidt
2009-10-21 21:19 ` [PATCH] net: Adjust softirq raising in __napi_schedule Jarek Poplawski
2009-10-21 21:25 ` Johannes Berg
2009-10-21 21:37 ` Tilman Schmidt
2009-10-21 21:39 ` Jarek Poplawski
2009-10-22 8:27 ` Johannes Berg
2009-10-23 14:39 ` Tilman Schmidt
2009-10-23 14:46 ` Johannes Berg
2009-10-26 7:41 ` Jarek Poplawski
2009-10-26 7:44 ` Johannes Berg
2009-10-26 7:54 ` Jarek Poplawski
2009-10-26 7:58 ` Johannes Berg
2009-10-26 8:47 ` Tilman Schmidt
2009-10-26 8:56 ` Johannes Berg
2009-10-27 0:52 ` Tilman Schmidt
2009-10-27 7:01 ` Johannes Berg
2009-10-22 11:29 ` David Miller
2009-10-22 12:54 ` Jarek Poplawski
2009-10-22 23:37 ` NOHZ: local_softirq_pending 08 Tilman Schmidt
2009-10-23 13:34 ` Johannes Berg
2009-10-23 14:27 ` Tilman Schmidt
2009-10-23 14:31 ` Johannes Berg
2009-10-23 16:33 ` Tilman Schmidt
2009-10-11 16:39 ` Joe Korty
-- strict thread matches above, loose matches on Subject: below --
2012-05-30 21:48 Dave Jones
2012-05-31 7:52 ` Thomas Gleixner
2012-05-31 7:56 ` Eric Dumazet
2012-05-31 14:04 ` Dave Jones
2012-06-08 16:46 ` Nikos Chantziaras
2012-06-01 22:57 ` Francois Romieu
2012-06-02 20:58 ` Marc Dionne
2012-06-05 23:15 ` Francois Romieu
2012-06-06 1:46 ` Dave Jones
2012-06-06 5:42 ` Francois Romieu
2012-06-08 2:34 ` Dave Jones
2012-06-08 7:57 ` Thomas Gleixner
2012-06-08 14:23 ` Dave Jones
2012-06-08 14:51 ` Thomas Gleixner
2012-06-08 20:27 ` Francois Romieu
2012-06-08 20:41 ` Thomas Gleixner
2012-06-08 21:53 ` Francois Romieu
2012-06-08 22:33 ` Marc Dionne
2012-06-10 20:40 ` Dave Jones
2012-06-25 12:38 ` Johannes Stezenbach
2012-06-25 19:28 ` Francois Romieu
2012-06-25 19:52 ` Dave Jones
2012-06-08 8:32 ` Johannes Stezenbach
2007-05-29 6:01 Rafał Bilski
2007-05-28 21:04 Rafał Bilski
2007-05-28 22:12 ` Anant Nitya
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