Re: [PATCH] x86: Changing date reference in CONFIG_SWIOTLB help from a relative to fixed point

On Sat, Aug 04, 2012 at 10:12:01PM -0700, Joe Millenbach wrote:
> CONFIG_SWIOTLB's existing help information refers to "the current
> generation of Intel's x86-64 CPUs", but the statement is no longer
> true.  After researching on Intel's ark site, I changed the statement
> to the also true "all Intel CPUs released before 2008".
> 
> Signed-off-by: Joe Millenbach <jmillenbach <at> gmail.com>
> Reviewed-by: Josh Triplett <josh <at> joshtriplett.org>
> ---
>  arch/x86/Kconfig |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 5bed94e..dadbfd6 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
>  <at>  <at>  -755,10 +755,10  <at>  <at>  config SWIOTLB
>  	def_bool y if X86_64
>  	---help---
>  	  Support for software bounce buffers used on x86-64 systems
> -	  which don't have a hardware IOMMU (e.g. the current generation
> -	  of Intel's x86-64 CPUs). Using this PCI devices which can only
> -	  access 32-bits of memory can be used on systems with more than
> -	  3 GB of memory. If unsure, say Y.
> +	  which don't have a hardware IOMMU (e.g. all Intel CPUs released
> +	  before 2008). Using this PCI devices which can only access 32-bits
> +	  of memory can be used on systems with more than 3 GB of memory. If
> +	  unsure, say Y.

It actually should have that part about Intel CPUs removed - as the hardware