Re: [PATCH] ppc64: actually call prom_send_capabilities

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

> 
> Index: arch/ppc64/kernel/prom_init.c
> ===================================================================
> --- 3ac19ebb77c3cd8a1df31b7170c6eaf9e1afb1a4/arch/ppc64/kernel/prom_init.c  (mode:100644 sha1:6f79b7b9b445e8669411e34b48c1ea8ce5135965)
> +++ 11f504429d5e6708259f376b76e96cafd3bf9215/arch/ppc64/kernel/prom_init.c  (mode:100644 sha1:bc53967a86436d6b3f4a4f324273e01fdab934b3)
> @@ -1881,6 +1881,12 @@ unsigned long __init prom_init(unsigned 
>  		     &getprop_rval, sizeof(getprop_rval));
>  
>  	/*
> +	 * On pSeries, inform the firmware about our capabilities
> +	 */
> +	if (RELOC(of_platform) & PLATFORM_PSERIES)
> +		prom_send_capabilities();
> +
> +	/*
>  	 * On pSeries, copy the CPU hold code
>  	 */
>         	if (RELOC(of_platform) & PLATFORM_PSERIES)
> -

/* Platforms supported by PPC64 */
#define PLATFORM_PSERIES      0x0100
#define PLATFORM_PSERIES_LPAR 0x0101
#define PLATFORM_ISERIES_LPAR 0x0201
#define PLATFORM_LPAR         0x0001
#define PLATFORM_POWERMAC     0x0400
#define PLATFORM_MAPLE        0x0500

Hrm... this will trigger on Maple too... Should I change Maple
definition ? That would break kexec of maple from existing to newer
kernels though.



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