The patch titled
x86_64: make ACPI the default reset option
has been added to the -mm tree. Its filename is
x86_64-make-acpi-the-default-reset-option.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: x86_64: make ACPI the default reset option
From: Aaron Durbin <adurbin@xxxxxxxxxx>
Make ACPI be the default reset method for x86_64. If the reset mechanism fails
using ACPI, it will default to using the keyboard controller.
Signed-off-by: Aaron Durbin <adurbin@xxxxxxxxxx>
Cc: Len Brown <lenb@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/x86_64/boot-options.txt | 4 ++--
arch/x86_64/kernel/reboot.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff -puN Documentation/x86_64/boot-options.txt~x86_64-make-acpi-the-default-reset-option Documentation/x86_64/boot-options.txt
--- a/Documentation/x86_64/boot-options.txt~x86_64-make-acpi-the-default-reset-option
+++ a/Documentation/x86_64/boot-options.txt
@@ -113,10 +113,10 @@ Rebooting
warm Don't set the cold reboot flag
cold Set the cold reboot flag
triple Force a triple fault (init)
- kbd Use the keyboard controller. cold reset (default)
+ kbd Use the keyboard controller. cold reset
acpi Use the ACPI RESET_REG in the FADT. If ACPI is not configured or the
ACPI reset does not work, the reboot path attempts the reset using
- the keyboard controller.
+ the keyboard controller. (default)
Using warm reset will be much faster especially on big memory
systems because the BIOS will not go through the memory check.
diff -puN arch/x86_64/kernel/reboot.c~x86_64-make-acpi-the-default-reset-option arch/x86_64/kernel/reboot.c
--- a/arch/x86_64/kernel/reboot.c~x86_64-make-acpi-the-default-reset-option
+++ a/arch/x86_64/kernel/reboot.c
@@ -29,7 +29,7 @@ static enum {
BOOT_TRIPLE = 't',
BOOT_KBD = 'k',
BOOT_ACPI = 'a'
-} reboot_type = BOOT_KBD;
+} reboot_type = BOOT_ACPI;
static int reboot_mode = 0;
int reboot_force;
_
Patches currently in -mm which might be from adurbin@xxxxxxxxxx are
acpi-add-reboot-mechanism.patch
x86_64-add-acpi-reboot-option.patch
x86_64-make-acpi-the-default-reset-option.patch
mmconfig-x86_64-i386-insert-unclaimed-mmconfig-resources.patch
i386-x86_64-insert-hpet-firmware-resource-after-pci-enumeration-has-completed.patch
-
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