Public bug reported:
SRU Justification: This patch has been accepted into the upstream 2.6.27.4
stable kernel.
It should be pulled into the Ubuntu kernel as well.
TEST CASE: TBD
commit 220d13c9015f53509245807f4e4d86e8d062a26d
Author: Christian Borntraeger <[EMAIL PROTECTED]>
Date: Thu Oct 23 12:18:31 2008 +1100
hvc_console: Fix free_irq in spinlocked section
commit eef2622a9fcfa964073333ea72c7c9cd20ad45e6 upstream
hvc_console: Fix free_irq in spinlocked section
commit 611e097d7707741a336a0677d9d69bec40f29f3d
Author: Christian Borntraeger <[EMAIL PROTECTED]>
hvc_console: rework setup to replace irq functions with callbacks
introduced a spinlock recursion problem. The notifier_del is
called with a lock held, and in turns calls free_irq which then
complains when manipulating procfs. This fixes it by moving the
call to the notifier to outside of the locked section.
Signed-off-by: Christian Borntraeger<[EMAIL PROTECTED]>
Signed-off-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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hvc_console: Fix free_irq in spinlocked section
https://bugs.launchpad.net/bugs/294002
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