Messages in this thread | | | Date | Wed, 15 Jan 2014 04:16:59 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] ACPI / init: Run acpi_early_init() before timekeeping_init() |
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Rafael, you want to take this one?
On 01/14/2014 11:25 PM, Lee, Chun-Yi wrote: > 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)) { >
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