From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: Ashok Raj <ashok.raj@intel.com>,
davidm@hpl.hp.com, linux-kernel@vger.kernel.org,
anil.s.keshavamurthy@intel.com, pj@sgi.com
Subject: Re: (resend) take3: Updated CPU Hotplug patches for IA64 (pj blessed) Patch [6/7]
Date: Wed, 05 May 2004 17:44:43 +1000 [thread overview]
Message-ID: <40989B6B.4000204@yahoo.com.au> (raw)
In-Reply-To: <20040504225907.6c2fe459.akpm@osdl.org>
Andrew Morton wrote:
> Ashok Raj <ashok.raj@intel.com> wrote:
> It appears that x86's arch_init_sched_domains() is blindly assuming that
> each CPU's migration thread is running and is pointed to by
> rq->migration_thread. But from the above you'll see that CPU0's migration
> thread is running, but CPU1's has never been created, hence the
> null-pointer deref.
>
The assumption is that the migration thread is running unless
cpu_is_offline is true. I think this is still OK, I can have
another look at it if anyone thinks otherwise.
As far as arch_init_sched_domains goes, it can be run as late
as you like if it needs to be moved.
next prev parent reply other threads:[~2004-05-05 7:45 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-05 4:17 (resend) take3: Updated CPU Hotplug patches for IA64 (pj blessed) Patch [6/7] Ashok Raj
2004-05-05 5:59 ` Andrew Morton
2004-05-05 7:03 ` various cpu patches [was: (resend) take3: Updated CPU Hotplug patches] Paul Jackson
2004-05-05 7:14 ` Andrew Morton
2004-05-05 7:28 ` Paul Jackson
2004-05-05 7:24 ` William Lee Irwin III
2004-05-05 7:44 ` Paul Jackson
2004-05-05 7:52 ` William Lee Irwin III
2004-05-05 7:44 ` Nick Piggin [this message]
2004-05-05 14:07 ` (resend) take3: Updated CPU Hotplug patches for IA64 (pj blessed) Patch [6/7] Ashok Raj
2004-05-05 17:47 ` (resend-2) " Ashok Raj
2004-05-06 6:13 ` Andrew Morton
2004-05-06 9:32 ` (resend-3) " Ashok Raj
2004-05-06 9:45 ` Andrew Morton
2004-05-06 9:54 ` Ashok Raj
2004-05-05 17:50 ` (resend-2) take3: Updated CPU Hotplug patches for IA64 (pj blessed) Patch [7/7] Ashok Raj
2004-05-11 23:16 ` (resend) take3: Updated CPU Hotplug patches for IA64 (pj blessed) Patch [6/7] Paul Jackson
2004-05-11 23:38 ` Andrew Morton
2004-05-11 23:55 ` Paul Jackson
2004-05-11 23:58 ` Ashok Raj
2004-05-12 0:37 ` Andrew Morton
-- strict thread matches above, loose matches on Subject: below --
2004-05-12 0:00 Keshavamurthy, Anil S
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