This is a note to let you know that I've just added the patch titled
ACPICA: Tables: Restore old behavor to favor 32-bit FADT addresses.
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
acpica-tables-restore-old-behavor-to-favor-32-bit-fadt-addresses.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 85dbd5801f62b66e2aa7826aaefcaebead44c8a6 Mon Sep 17 00:00:00 2001
From: Lv Zheng <lv.zheng@xxxxxxxxx>
Date: Tue, 13 May 2014 16:50:30 +0800
Subject: ACPICA: Tables: Restore old behavor to favor 32-bit FADT addresses.
From: Lv Zheng <lv.zheng@xxxxxxxxx>
commit 85dbd5801f62b66e2aa7826aaefcaebead44c8a6 upstream.
We need to find a smarter way to switch to 64-bit FADT addresses according
to the bug report. This patch reverts Linux to the original behavior.
Fixes: 0249ed2444d6 (ACPICA: Add option to favor 32-bit FADT addresses.)
References: https://bugzilla.kernel.org/show_bug.cgi?id=74021
Reported-and-tested-by: Oswald Buddenhagen <ossi@xxxxxxx>
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/acpi/acpica/acglobal.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -132,9 +132,9 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_do_not_use_
* address. Although ACPICA adheres to the ACPI specification which
* requires the use of the corresponding 64-bit address if it is non-zero,
* some machines have been found to have a corrupted non-zero 64-bit
- * address. Default is FALSE, do not favor the 32-bit addresses.
+ * address. Default is TRUE, favor the 32-bit addresses.
*/
-u8 ACPI_INIT_GLOBAL(acpi_gbl_use32_bit_fadt_addresses, FALSE);
+u8 ACPI_INIT_GLOBAL(acpi_gbl_use32_bit_fadt_addresses, TRUE);
/*
* Optionally truncate I/O addresses to 16 bits. Provides compatibility
Patches currently in stable-queue which might be from lv.zheng@xxxxxxxxx are
queue-3.14/acpica-tables-restore-old-behavor-to-favor-32-bit-fadt-addresses.patch
queue-3.14/acpica-tables-fix-invalid-pointer-accesses-in-acpi_tb_parse_root_table.patch
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