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    SubjectRe: [Bug #37222] 3.0.0-rc1-git3 -- kernel/sched.c:619 invoked rcu_dereference_check() without protection!
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    > From: Rafael J. Wysocki <rjw@sisk.pl>
    > Date: Mon, Jun 13, 2011 at 4:30 AM
    > Subject: [Bug #37222] 3.0.0-rc1-git3 -- kernel/sched.c:619 invoked
    > rcu_dereference_check() without protection!
    > To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
    > Cc: Kernel Testers List <kernel-testers@vger.kernel.org>, Maciej
    > Rutecki <maciej.rutecki@gmail.com>, Florian Mickler
    > <florian@mickler.org>, Miles Lane <miles.lane@gmail.com>
    >
    >
    > This message has been generated automatically as a part of a summary report
    > of recent regressions.
    >
    > The following bug entry is on the current list of known regressions
    > from 2.6.39. Please verify if it still should be listed and let the
    > tracking team
    > know (either way).
    >
    >
    > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=37222
    > Subject : 3.0.0-rc1-git3 -- kernel/sched.c:619 invoked
    > rcu_dereference_check() without protection!
    > Submitter : Miles Lane <miles.lane@gmail.com>
    > Date : 2011-06-04 3:22 (9 days old)
    > Message-ID : <BANLkTikHS7TuFhm3cfJ+Y=erWDaAwuE_TA@mail.gmail.com>
    > References : http://marc.info/?l=linux-kernel&m=130715775803343&w=2
    >

    This was fixed already.
    http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git;a=commit;h=6c6c54e180

    commit 6c6c54e1807faf116724451ef2bd14993780470a
    Author: Peter Zijlstra <peterz@infradead.org>
    Date: Fri Jun 3 17:37:07 2011 +0200

    sched: Fix/clarify set_task_cpu() locking rules


    Thanks,
    Lin Ming



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