From: Randy Wright <rwright@hp.com>
Date: Wed, 4 Jun 2014 15:55:59 +0000 (-0700)
Subject: ACPI: Fix bug when ACPI reset register is implemented in system memory
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4714a898e85205e1118ec923cde43d88eb105f6;p=pandora-kernel.git

ACPI: Fix bug when ACPI reset register is implemented in system memory

Use acpi_os_map_generic_address to pre-map the reset register if it is
memory mapped, thereby preventing the BUG_ON() in line 1319 of
mm/vmalloc.c from triggering during panic-triggered reboots.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=77131
Signed-off-by: Randy Wright <rwright@hp.com>
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
[rjw: Changelog, simplified code]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

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