Re: [Xen-devel] [PATCH v2 19/24] xen/arm: Switch to SYS_STATE_boot just after end_boot_allocator()

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Tue, 12 Sep 2017, Julien Grall wrote:
> We should consider the early boot period to end when we stop using the
> boot allocator. This is inline with x86 and will be helpful to know
> whether we should allocate memory from the boot allocator or xenheap.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
> Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

> ---
> 
>     Changes in v2:
>         - Add Andre's reviewed-by
> ---
>  xen/arch/arm/setup.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
> index b00eebd96e..b0306a917b 100644
> --- a/xen/arch/arm/setup.c
> +++ b/xen/arch/arm/setup.c
> @@ -757,6 +757,12 @@ void __init start_xen(unsigned long boot_phys_offset,
>  
>      end_boot_allocator();
>  
> +    /*
> +     * The memory subsystem has been initialized, we can now switch from
> +     * early_boot -> boot.
> +     */
> +    system_state = SYS_STATE_boot;
> +
>      vm_init();
>  
>      if ( acpi_disabled )
> @@ -779,8 +785,6 @@ void __init start_xen(unsigned long boot_phys_offset,
>      console_init_preirq();
>      console_init_ring();
>  
> -    system_state = SYS_STATE_boot;
> -
>      processor_id();
>  
>      smp_init_cpus();
> -- 
> 2.11.0
> 

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