From: Xiaotian Feng <dfeng@redhat.com>
Date: Thu, 10 Dec 2009 11:56:45 +0000 (+0800)
Subject: ACPI: don't cond_resched if irq is disabled
X-Git-Tag: v2.6.33-rc5~9^2~7^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c084ca704a3661bf77690a05bc6bd2c305d87c34;p=pandora-kernel.git

ACPI: don't cond_resched if irq is disabled

commit 8bd108d adds preemption point after each opcode parse, then
a sleeping function called from invalid context bug was founded
during suspend/resume stage. this was fixed in commit abe1dfa by
don't cond_resched when irq_disabled. But recent commit 138d156 changes
the behaviour to don't cond_resched when in_atomic. This makes the
sleeping function called from invalid context bug happen again, which
is reported in http://lkml.org/lkml/2009/12/1/371.

This patch also fixes http://bugzilla.kernel.org/show_bug.cgi?id=14483

Reported-and-bisected-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-and-bisected-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
---

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