From: george anzinger <george@mvista.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Dipankar Sarma <dipankar@gamebox.net>,
Matthew Wilcox <willy@debian.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Run timers as softirqs, not tasklets
Date: Mon, 18 Nov 2002 14:29:10 -0800 [thread overview]
Message-ID: <3DD969B6.9D221DB1@mvista.com> (raw)
In-Reply-To: Pine.LNX.4.44.0211172108160.12550-100000@localhost.localdomain
Ingo Molnar wrote:
>
> On Mon, 18 Nov 2002, Dipankar Sarma wrote:
>
> > I wrote that part of smptimers to run the per-CPU lists from per-CPU
> > tasklets while porting Ingo's code to 2.5 and Ingo just included it. At
> > that time, it didn't seem necessary to use up a softirq vector when it
> > could be easily done using tasklets.
>
> i think a separate timer softirq is justified, timers are important
> enough.
>
> Ingo
>
So then, is there any reason to not put them ahead of
HI_SOFTIRQ? I.e.:
enum
{
TIMER_SOFTIRQ=0,
HI_SOFTIRQ
NET_TX_SOFTIRQ,
NET_RX_SOFTIRQ,
SCSI_SOFTIRQ,
--
George Anzinger george@mvista.com
High-res-timers:
http://sourceforge.net/projects/high-res-timers/
Preemption patch:
http://www.kernel.org/pub/linux/kernel/people/rml
next prev parent reply other threads:[~2002-11-18 22:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-17 17:16 [PATCH] Run timers as softirqs, not tasklets Matthew Wilcox
2002-11-17 18:46 ` Dipankar Sarma
2002-11-17 20:09 ` Ingo Molnar
2002-11-18 22:29 ` george anzinger [this message]
2002-11-18 22:34 ` Matthew Wilcox
2002-11-17 19:23 ` Ingo Molnar
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