Messages in this thread Patch in this message | | | From | "Lee, Chun-Yi" <> | Subject | [PATCH] ACPI / init: Run acpi_early_init() before timekeeping_init() | Date | Wed, 15 Jan 2014 15:25:48 +0800 |
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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().
v2: Move acpi_early_init() before timekeeping_init() to prepare setting system clock with ACPI TAD.
v1: Rafael J. Wysocki ACPI / init: Run acpi_early_init() before efi_enter_virtual_mode()
Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Matt Fleming <matt@console-pimps.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Borislav Petkov <bp@suse.de> Cc: Matthew Garrett <matthew.garrett@nebula.com> Tested-by: Toshi Kani <toshi.kani@hp.com> Signed-off-by: Lee, Chun-Yi <jlee@suse.com> --- init/main.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/init/main.c b/init/main.c index febc511..b6d93c8 100644 --- a/init/main.c +++ b/init/main.c @@ -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)) { -- 1.6.4.2
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