On Wed, Feb 15, 2017 at 04:49:30PM +0800, Yi Sun wrote:
> This patch implements L3 CDP get value callback function.
>
> With this patch, 'psr-cat-show' can work for L3 CDP.
>
> Signed-off-by: Yi Sun <yi.y....@linux.intel.com>
> ---
> xen/arch/x86/psr.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/xen/arch/x86/psr.c b/xen/arch/x86/psr.c
> index 72c9888..72ed923 100644
> --- a/xen/arch/x86/psr.c
> +++ b/xen/arch/x86/psr.c
> @@ -545,9 +545,25 @@ static bool l3_cdp_get_feat_info(const struct feat_node
> *feat,
> return true;
> }
>
> +static bool l3_cdp_get_val(const struct feat_node *feat, unsigned int cos,
> + enum cbm_type type, uint64_t *val)
> +{
> + if ( cos > feat->info.l3_cdp_info.cos_max )
> + /* Use default value. */
> + cos = 0;
As with the other get_val, I think that this should return false.
Roger.
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