Re: [Xen-devel] [PATCH 03/13] xen/arm: setup: Check errata for boot CPU later on

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Tue, 22 May 2018, Julien Grall wrote:
> Some errata will rely on the SMCCC version which is detected by
> psci_init().
> 
> This is part of XSA-263.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

> ---
>  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 1d6f6bf37e..ac93de4786 100644
> --- a/xen/arch/arm/setup.c
> +++ b/xen/arch/arm/setup.c
> @@ -171,8 +171,6 @@ static void __init processor_id(void)
>      }
>  
>      processor_setup();
> -
> -    check_local_cpu_errata();
>  }
>  
>  void dt_unreserved_regions(paddr_t s, paddr_t e,
> @@ -779,6 +777,12 @@ void __init start_xen(unsigned long boot_phys_offset,
>      printk(XENLOG_INFO "SMP: Allowing %u CPUs\n", cpus);
>      nr_cpu_ids = cpus;
>  
> +    /*
> +     * Some errata relies on SMCCC version which is detected by psci_init()
> +     * (called from smp_init_cpus()).
> +     */
> +    check_local_cpu_errata();
> +
>      init_xen_time();
>  
>      gic_init();
> -- 
> 2.11.0
> 

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