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Re: [Xen-devel] [PATCH v3 20/62] arm/acpi: Add ACPI support for SMP initialization



Hi Shannon,

On 17/11/15 09:40, shannon.zhao@xxxxxxxxxx wrote:
> diff --git a/xen/arch/arm/psci.c b/xen/arch/arm/psci.c
> index d800cb6..dede0e1 100644
> --- a/xen/arch/arm/psci.c
> +++ b/xen/arch/arm/psci.c
> @@ -22,6 +22,7 @@
>  #include <xen/mm.h>
>  #include <xen/smp.h>
>  #include <asm/psci.h>
> +#include <asm/acpi.h>
>  
>  /*
>   * While a 64-bit OS can make calls with SMC32 calling conventions, for
> @@ -86,6 +87,9 @@ int __init psci_init_0_1(void)
>      int ret;
>      const struct dt_device_node *psci;
>  
> +    if ( !acpi_disabled )
> +        return -EINVAL;

Please explain in the commit message why PSCI 0.1 is not supported on ACPI.


Regards,

-- 
Julien Grall

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