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ACPI / init: Run acpi_early_init() before timekeeping_init()

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This is a variant patch from Rafael J. Wysocki's
ACPI / init: Run acpi_early_init() before efi_enter_virtual_mode()

According to Matt Fleming, if acpi_early_init() was executed before
efi_enter_virtual_mode(), the EFI initialization could benefit from
it, so Rafael's patch makes that happen.

And, we want accessing ACPI TAD device to set system clock, so move
acpi_early_init() before timekeeping_init(). This final position is
also before efi_enter_virtual_mode().

Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lee, Chun-Yi 2014-01-15 15:25:48 +08:00 committed by Rafael J. Wysocki
parent 7e22e91102
commit 73f7d1ca32
1 changed files with 1 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
init/main.c
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@ -565,6 +565,7 @@ asmlinkage void __init start_kernel(void)
init_timers();
hrtimers_init();
softirq_init();
acpi_early_init();
timekeeping_init();
time_init();
sched_clock_postinit();
@ -641,7 +642,6 @@ asmlinkage void __init start_kernel(void)
check_bugs();
acpi_early_init(); /* before LAPIC and SMP init */
sfi_init_late();
if (efi_enabled(EFI_RUNTIME_SERVICES)) {