linux-kernel - Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

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Message-ID: <52459311.4010104@linux.vnet.ibm.com>
Date:	Fri, 27 Sep 2013 19:45:45 +0530
From:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
To:	Michael Ellerman <michael@...erman.id.au>
CC:	linux-kernel@...r.kernel.org, tytso@....edu,
	herbert@...dor.apana.org.au, gleb@...hat.com, agraf@...e.de,
	kvm-ppc@...r.kernel.org, linuxppc-dev@...abs.org,
	Paul Mackerras <paulus@...ba.org>, kvm@...r.kernel.org,
	mpm@...enic.com, pbonzini@...hat.com
Subject: Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on
 some powernv systems

On 09/26/2013 12:01 PM, Michael Ellerman wrote:
> +int powernv_hwrng_present(void)
> +{
> +	return __raw_get_cpu_var(powernv_rng) != NULL;
> +}
> +
>  static unsigned long rng_whiten(struct powernv_rng *rng, unsigned long val)
>  {
>  	unsigned long parity;
> @@ -42,6 +48,17 @@ static unsigned long rng_whiten(struct powernv_rng *rng, unsigned long val)
>  	return val;
>  }
> 
> +int powernv_get_random_real_mode(unsigned long *v)
> +{
> +	struct powernv_rng *rng;
> +
> +	rng = __raw_get_cpu_var(powernv_rng);
> +
> +	*v = rng_whiten(rng, in_rm64(rng->regs_real));
> +

Will it be in_be64() instead of in_rm64() ? Its failing the build here. Except this
all individual patches build correctly.

Regards
Anshuman

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