From: "David S. Miller" <davem@redhat.com>
To: dipankar@in.ibm.com
Cc: mingo@elte.hu, torvalds@transmeta.com,
linux-kernel@vger.kernel.org, wli@holomorphy.com,
kuznet@ms2.inr.ac.ru
Subject: Re: [patch] smptimers, old BH removal, tq-cleanup, 2.5.39
Date: Sun, 29 Sep 2002 17:20:22 -0700 (PDT) [thread overview]
Message-ID: <20020929.172022.23984844.davem@redhat.com> (raw)
In-Reply-To: <20020930004559.A19071@in.ibm.com>
From: Dipankar Sarma <dipankar@in.ibm.com>
Date: Mon, 30 Sep 2002 00:45:59 +0530
> net_bh_lock: i have removed it, since it would synchronize to nothing. The
> old protocol handlers should still run on UP, and on SMP the kernel prints
> a warning upon use. Alexey, is this approach fine with you?
The cache line bouncing of global_bh_lock and net_bh_lock in
run_timer_tasklet() show up in our profiles, so getting rid of
them is a good thing (TM).
What ancient protocols are you running that make use of this?
IPv4 and IPv6 both do not use it at all. Even IPX, Appletalk, and
DecNET layers do not use it
next prev parent reply other threads:[~2002-09-30 0:21 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-29 17:52 [patch] smptimers, old BH removal, tq-cleanup, 2.5.39 Ingo Molnar
2002-09-29 18:38 ` Jeff Garzik
2002-09-29 18:50 ` Jeff Garzik
2002-09-29 19:27 ` Ingo Molnar
2002-09-29 19:48 ` Jeff Garzik
2002-09-29 18:54 ` Dave Jones
2002-09-29 19:15 ` Dipankar Sarma
2002-09-30 0:20 ` David S. Miller [this message]
2002-09-30 4:33 ` Dipankar Sarma
2002-09-30 4:28 ` David S. Miller
2002-09-30 4:38 ` Arnaldo Carvalho de Melo
2002-09-30 12:55 ` Alan Cox
2002-09-30 14:50 ` Arnaldo Carvalho de Melo
2002-09-29 19:16 ` Ingo Molnar
2002-09-30 0:39 ` David S. Miller
2002-09-30 6:06 ` Ingo Molnar
2002-09-30 21:45 ` george anzinger
2002-10-01 3:51 ` Ingo Molnar
2002-10-01 4:18 ` David S. Miller
2002-10-01 5:24 ` Ingo Molnar
2002-10-01 8:00 ` george anzinger
2002-10-01 5:33 ` Dipankar Sarma
2002-10-03 7:10 ` Dipankar Sarma
2002-09-30 23:37 ` Christoph Hellwig
2002-09-30 16:38 ` Ingo Molnar
2002-09-30 23:45 ` Christoph Hellwig
2002-09-30 17:12 ` Ingo Molnar
2002-10-01 0:43 ` Christoph Hellwig
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