From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Thu, 23 Oct 2008 01:18:31 +0000 (+1100)
Subject: hvc_console: Fix free_irq in spinlocked section
X-Git-Tag: v2.6.27.4~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=220d13c9015f53509245807f4e4d86e8d062a26d;p=pandora-kernel.git

hvc_console: Fix free_irq in spinlocked section

commit eef2622a9fcfa964073333ea72c7c9cd20ad45e6 upstream

hvc_console: Fix free_irq in spinlocked section

    commit 611e097d7707741a336a0677d9d69bec40f29f3d
    Author: Christian Borntraeger <borntraeger@de.ibm.com>
    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<borntraeger@de.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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