Re: [PATCH 3/4] x86: add desc_equal() to compare GDT descriptors

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Mon, Jul 09, 2012 at 11:39:07AM +0100, David Vrabel wrote:
> From: David Vrabel <david.vrabel@citrix.com>
> 
> Signed-off-by: David Vrabel <david.vrabel@citrix.com>

Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

> ---
>  arch/x86/include/asm/desc.h |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
> index 8bf1c06..d26f059 100644
> --- a/arch/x86/include/asm/desc.h
> +++ b/arch/x86/include/asm/desc.h
> @@ -85,6 +85,12 @@ static inline int desc_empty(const void *ptr)
>  	return !(desc[0] | desc[1]);
>  }
>  
> +static inline bool desc_equal(const struct desc_struct *d1,
> +			      const struct desc_struct *d2)
> +{
> +	return d1->a == d2->a && d1->b == d2->b;
> +}
> +
>  #ifdef CONFIG_PARAVIRT
>  #include <asm/paravirt.h>
>  #else
> -- 
> 1.7.2.5