From: Dipankar Sarma <dipankar@in.ibm.com>
To: rusty@rustcorp.com.au
Cc: Linus Torvalds <torvalds@transmeta.com>,
Andrew Morton <akpm@zip.com.au>, Dave Miller <davem@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Important per-cpu fix.
Date: Thu, 5 Sep 2002 14:40:23 +0530 [thread overview]
Message-ID: <20020905144023.A14040@in.ibm.com> (raw)
In article <20020904023535.73D922C12D@lists.samba.org> Rusty Russell wrote:
> Frankly, I'm amazed the kernel worked for long without this.
> Every linker script thinks the section is called .data.percpu.
> Without this patch, every CPU ends up sharing the same "per-cpu"
> variable.
> This might explain the wierd per-cpu problem reports from Andrew and
> Dave, and also that nagging feeling that I'm an idiot...
Not only does this fix the tasklet BUG with 2.5.32 but it also fixes a serial
console hang with my 2.5.32 version of Ingo/Davem/Alexey's scalable timers
code that I have been debugging for the last two days. I use
a per-cpu tasklet to run the timers, so it was probably killing me
there.
Thanks
--
Dipankar Sarma <dipankar@in.ibm.com> http://lse.sourceforge.net
Linux Technology Center, IBM Software Lab, Bangalore, India.
next reply other threads:[~2002-09-05 9:01 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-05 9:10 Dipankar Sarma [this message]
2002-09-05 9:09 ` [PATCH] Important per-cpu fix William Lee Irwin III
2002-09-05 19:08 ` Dipankar Sarma
2002-09-05 19:11 ` William Lee Irwin III
-- strict thread matches above, loose matches on Subject: below --
2002-09-09 12:17 Matthew Wilcox
2002-09-09 23:24 ` Rusty Russell
2002-09-04 2:35 Rusty Russell
2002-09-04 2:54 ` David S. Miller
2002-09-04 4:04 ` Rusty Russell
2002-09-04 4:52 ` H. Peter Anvin
2002-09-09 8:06 ` Rusty Russell
2002-09-09 8:16 ` David S. Miller
2002-09-04 5:05 ` David S. Miller
2002-09-04 5:17 ` Linus Torvalds
2002-09-04 5:12 ` David S. Miller
2002-09-04 6:00 ` Rusty Russell
2002-09-04 6:06 ` David S. Miller
2002-09-04 6:19 ` David S. Miller
2002-09-04 7:38 ` Rusty Russell
2002-09-06 9:57 ` Pavel Machek
2002-09-09 3:45 ` Rusty Russell
2002-09-09 6:13 ` David S. Miller
2002-09-09 8:17 ` Rusty Russell
2002-09-09 8:15 ` David S. Miller
2002-09-09 20:58 ` Alan Cox
2002-09-09 21:06 ` Andrew Morton
2002-09-10 9:41 ` Rusty Russell
2002-09-04 15:44 ` Thunder from the hill
2002-09-04 23:18 ` David S. Miller
2002-09-04 2:56 ` Andrew Morton
2002-09-04 2:46 ` William Lee Irwin III
2002-09-04 3:42 ` William Lee Irwin III
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