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author | Rafael J. Wysocki <rjw@sisk.pl> | 2008-10-26 19:56:30 (GMT) |
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committer | Len Brown <len.brown@intel.com> | 2008-12-19 09:40:35 (GMT) |
commit | ba84ed9546e91348fdf3ff2bff859b0ee53b407a (patch) | |
tree | f9ea9370416744de2fa80dbf7a4c25a2589c6a41 /arch/x86/kernel/acpi | |
parent | b69edc76539be6a4aa39a22f85365fd4a3b3b9d2 (diff) | |
download | linux-fsl-qoriq-ba84ed9546e91348fdf3ff2bff859b0ee53b407a.tar.xz |
ACPI hibernate: Introduce new kernel parameter acpi_sleep=s4_nonvs
On some machines it may be necessary to disable the saving/restoring
of the ACPI NVS memory region during hibernation/resume. For this
purpose, introduce new ACPI kernel command line option
acpi_sleep=s4_nonvs.
Based on a patch by Zhang Rui.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Nigel Cunningham <nigel@tuxonice.net>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/x86/kernel/acpi')
-rw-r--r-- | arch/x86/kernel/acpi/sleep.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index 806b4e9..707c1f6 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -159,6 +159,8 @@ static int __init acpi_sleep_setup(char *str) #endif if (strncmp(str, "old_ordering", 12) == 0) acpi_old_suspend_ordering(); + if (strncmp(str, "s4_nonvs", 8) == 0) + acpi_s4_no_nvs(); str = strchr(str, ','); if (str != NULL) str += strspn(str, ", \t"); |